SIGMA-ALDRICH                   2004.3
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                     MATERIAL SAFETY DATA SHEET
 
                                              Date Printed: 07/09/2004
                                              Date Updated: 09/05/2002
                                                         Version  1.4
 
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Section 1 - Product and Company Information
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Product Name                       PROPYLENE OXIDE, 99% (MINI-BULK)
Product Number                     471968
Brand                              ALDRICH
 
Company                            Sigma-Aldrich
Street Address                     3050 Spruce Street
City, State, Zip, Country          SAINT LOUIS, MO 63103
                                   USA
Technical Phone:                   314 771 5765
Emergency Phone:                   414 273 3850 Ext. 5996
Fax:                               800 325 5052
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Section 2 - Composition/Information on Ingredient
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Substance Name                          CAS #                 SARA 313
PROPYLENE OXIDE                         75-56-9               Yes
 
Formula         C3H6O
Synonyms        AD 6 (suspending agent),Epoxypropane,1,
                2-Epoxypropane,1,2-Epoxypropane (ACGIH:OSHA),2,
                3-Epoxypropane,Ethylene oxide, methyl-,
                Methyl ethylene oxide,Methyloxacyclopropane,
                Methyl oxirane,NCI-C50099,Oxirane, methyl-,
                Oxyde de propylene (French),Propane, epoxy-,
                Propene oxide,Propylene epoxide,Propylene oxide,1,
                2-Propylene oxide,Propylene oxide (DOT:OSHA)
RTECS Number:   TZ2975000
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Section 3 - Hazards Identification
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EMERGENCY OVERVIEW
   Flammable (USA) Extremely Flammable (EU). Toxic.
   May cause cancer. Causes burns. Harmful by inhalation, in contact
   with skin and if swallowed.
   Readily absorbed through skin. Target organ(s): Central nervous
   system. Calif. Prop. 65 carcinogen.
 
HMIS RATING
   HEALTH: 3*
   FLAMMABILITY: 4
   REACTIVITY: 1
 
NFPA RATING
   HEALTH: 3
   FLAMMABILITY: 4
   REACTIVITY: 1
 
   *additional chronic hazards present.
 
For additional information on toxicity, please refer to Section 11.
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Section 4 - First Aid Measures
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ORAL EXPOSURE
   If swallowed, wash out mouth with water provided person is
   conscious. Call a physician immediately.
 
INHALATION EXPOSURE
   If inhaled, remove to fresh air. If not breathing give
   artificial respiration. If breathing is difficult, give oxygen.
 
DERMAL EXPOSURE
   In case of skin contact, flush with copious amounts of water for
   at least 15 minutes. Remove contaminated clothing and shoes.
   Call a physician.
 
EYE EXPOSURE
   In case of contact with eyes, flush with copious amounts of
   water for at least 15 minutes. Assure adequate flushing by
   separating the eyelids with fingers. Call a physician.
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Section 5 - Fire Fighting Measures
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FLAMMABLE HAZARDS
   Flammable Hazards: Yes
 
EXPLOSION HAZARDS
   Vapor may travel considerable distance to source of ignition and
   flash back. Container explosion may occur under fire conditions.
 
CONDITIONS OF FLAMMABILITY
   Under fire conditions, material may decompose to form flammable
   and/or explosive mixtures in air.
 
FLASH POINT
   -34.6 F   -37 C   Method: closed cup
 
EXPLOSION LIMITS
   Lower: 2.1 %   Upper: 37 %
 
AUTOIGNITION TEMP
   748 C
 
FLAMMABILITY
   N/A
 
EXTINGUISHING MEDIA
   Suitable: Carbon dioxide, dry chemical powder, or appropriate
   foam.
   Unsuitable: Water may be effective for cooling, but may not
   effect extinguishment.
 
FIREFIGHTING
   Protective Equipment: Wear self-contained breathing apparatus
   and protective clothing to prevent contact with skin and eyes.
   Specific Hazard(s): Flammable liquid. Vapor may travel
   considerable distance to source of ignition and flash back.
   Emits toxic fumes under fire conditions.
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Section 6 - Accidental Release Measures
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PROCEDURE TO BE FOLLOWED IN CASE OF LEAK OR SPILL
   Evacuate area. Shut off all sources of ignition.
 
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
   Wear self-contained breathing apparatus, rubber boots, and heavy
   rubber gloves.
 
METHODS FOR CLEANING UP
   Cover with dry-lime, sand, or soda ash. Place in covered
   containers using non-sparking tools and transport outdoors.
   Ventilate area and wash spill site after material pickup is
   complete.
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Section 7 - Handling and Storage
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HANDLING
   User Exposure: Do not breathe vapor. Avoid contact with eyes,
   skin, and clothing. Avoid prolonged or repeated exposure.
 
STORAGE
   Suitable: Keep container closed. Keep away from heat, sparks,
   and open flame. Store in a cool dry place.
    
 
SPECIAL REQUIREMENTS
   May develop pressure. Open carefully. Heat sensitive. Cool to
   0C before opening.
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Section 8 - Exposure Controls / PPE
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ENGINEERING CONTROLS
   Safety shower and eye bath. Use nonsparking tools. Use only in a
   chemical fume hood.
 
PERSONAL PROTECTIVE EQUIPMENT
   Respiratory: Government approved respirator.
   Hand: Compatible chemical-resistant gloves.
   Eye: Chemical safety goggles.
 
GENERAL HYGIENE MEASURES
   Wash contaminated clothing before reuse. Wash thoroughly after
   handling.
 
EXPOSURE LIMITS, RTECS
Country     Source            Type      Value
USA         ACGIH             TWA       20 PPM
USA         MSHA Standard-air TWA       100 PPM (240 MG/M3)
USA         OSHA.             PEL       8H TWA 100 PPM (240 MG/M3)
New Zealand OEL
Remarks: check ACGIH TLV
USA         NIOSH                       LOWEST FEASIBLE CONCENTRTION
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Section 9 - Physical/Chemical Properties
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Appearance              Physical State: Clear liquid
                        Color: Colorless
 
Property                Value               At Temperature or Pressure
 
Molecular Weight        58.08 AMU
pH                      N/A
BP/BP Range             34 - 35 C
MP/MP Range             -112 C
Freezing Point          N/A
Vapor Pressure          444.103 mmHg        20 C
Vapor Density           2 g/l
Saturated Vapor Conc.   N/A
SG/Density              0.829 g/cm3
Bulk Density            N/A
Odor Threshold          N/A
Volatile%               N/A
VOC Content             N/A
Water Content           < 0.1 %
Solvent Content         N/A
Evaporation Rate        N/A
Viscosity               N/A
Surface Tension         N/A
Partition Coefficient   N/A
Decomposition Temp.     N/A
Flash Point             -34.6 F -37 C     Method: closed cup
Explosion Limits        Lower: 2.1 %
                        Upper: 37 %
Flammability            N/A
Autoignition Temp       748 C
Refractive Index        1.366
Optical Rotation        N/A
Miscellaneous Data      N/A
Solubility              N/A
 
N/A = not available
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Section 10 - Stability and Reactivity
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STABILITY
   Stable: Stable.
   Conditions to Avoid: Protect from heat.
   Materials to Avoid: Oxidizing agents Copper, Copper alloys, Strong
   acids, Strong bases, Peroxides, Alkali, Amines.
 
HAZARDOUS DECOMPOSITION PRODUCTS
   Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide.
 
HAZARDOUS POLYMERIZATION
   Hazardous Polymerization: May occur Product may explode if
   polymerization is initiated in closed containers
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Section 11 - Toxicological Information
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ROUTE OF EXPOSURE
   Skin Contact: Causes burns.
   Skin Absorption: Harmful if absorbed through skin. Readily
   absorbed through skin.
   Eye Contact: Causes burns.
   Inhalation: Harmful if inhaled. Material is extremely
   destructive to the tissue of the mucous membranes and upper
   respiratory tract.
   Ingestion: Harmful if swallowed.
 
TARGET ORGAN(S) OR SYSTEM(S)
   Central nervous system.
 
SIGNS AND SYMPTOMS OF EXPOSURE
   Material is extremely destructive to tissue of the mucous
   membranes and upper respiratory tract, eyes, and skin.
   Inhalation may result in spasm, inflammation and edema of the
   larynxand bronchi, chemical pneumonitis, and pulmonary edema.
   Symptoms of exposure may include burning sensation, coughing,
   wheezing, laryngitis, shortness of breath, headache, nausea, and
   vomiting. Can cause CNS depression.
 
TOXICITY DATA
 
   Oral
   Rat
   380 mg/kg
   LD50
   Remarks: Behavioral:Excitement. Behavioral:Ataxia. Lungs,
   Thorax, or Respiration:Respiratory stimulation.
 
   Inhalation
   Rat
   4,000 ppm
   LC50
   Remarks: Sense Organs and Special Senses (Nose, Eye, Ear, and
   Taste):Olfaction:Other changes. Sense Organs and Special Senses
   (Nose, Eye, Ear, and Taste):Eye:Lacrimation. Lungs, Thorax, or
   Respiration:Dyspnea.
 
   Intraperitoneal
   Rat
   150 MG/KG
   LD50
 
   Oral
   Mouse
   440 mg/kg
   LD50
   Remarks: Behavioral:Excitement. Behavioral:Ataxia. Lungs,
   Thorax, or Respiration:Respiratory stimulation.
 
   Inhalation
   Mouse
   1,740 ppm
   LC50
   Remarks: Sense Organs and Special Senses (Nose, Eye, Ear, and
   Taste):Olfaction:Other changes. Lungs, Thorax, or
   Respiration:Dyspnea. Gastrointestinal:Changes in structure or
   function of salivary glands.
 
   Intraperitoneal
   Mouse
   175 MG/KG
   LD50
 
   Skin
   Rabbit
   1500 UL/KG
   LD50
 
   Oral
   Guinea pig
   660 mg/kg
   LD50
   Remarks: Behavioral:Somnolence (general depressed activity).
   Liver:Other changes. Kidney, Ureter, Bladder:Other changes.
 
   Oral
   Mammal
   440 mg/kg
   LD50
 
IRRITATION DATA
 
   Skin
   Rabbit
   415 mg
   Remarks: Open irritation test
 
   Skin
   Rabbit
   50 mg
   6M
   Remarks: Severe irritation effect
 
   Eyes
   Rabbit
   20 mg
   Remarks: Severe irritation effect
 
   Eyes
   Rabbit
   20 mg
   24H
   Remarks: Moderate irritation effect
 
CHRONIC EXPOSURE - CARCINOGEN
   Result: This product is or contains a component that has been
   reported to be probably carcinogenic based on its IARC, OSHA,
   ACGIH, NTP, or EPA classification.
 
   Species: Rat
   Route of Application: Oral
   Dose: 10798 MG/KG
   Exposure Time: 2Y
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria.
   Gastrointestinal:Tumors.
 
   Species: Mouse
   Route of Application: Inhalation
   Dose: 400 PPM
   Exposure Time: 6H/2Y
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria. Sense Organs
   and Special Senses (Nose, Eye, Ear, and Taste):Olfaction:Tumors.
 
   Species: Rat
   Route of Application: Inhalation
   Dose: 100 PPM
   Exposure Time: 7H/2Y
   Frequency: I
   Result: Tumorigenic:Neoplastic by RTECS criteria.
   Endocrine:Tumors.
 
   Species: Rat
   Route of Application: Subcutaneous
   Dose: 1500 MG/KG
   Exposure Time: 46W
   Frequency: I
   Result: Tumorigenic:Equivocal tumorigenic agent by RTECS
   criteria. Tumorigenic:Facilitates action of known carcinogens.
 
   Species: Mouse
   Route of Application: Inhalation
   Dose: 400 PPM
   Exposure Time: 6H/2Y
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria. Sense Organs
   and Special Senses (Nose, Eye, Ear, and Taste):Olfaction:Tumors.
 
   Species: Mouse
   Route of Application: Subcutaneous
   Dose: 272 MG/KG
   Exposure Time: 95W
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria.
   Blood:Lymphomas including Hodgkin's disease. Tumorigenic:Tumors
   at site or application.
 
   Species: Mouse
   Route of Application: Subcutaneous
   Dose: 3640 MG/KG
   Exposure Time: 91W
   Frequency: I
   Result: Tumorigenic:Neoplastic by RTECS criteria.
   Blood:Lymphomas including Hodgkin's disease. Tumorigenic:Tumors
   at site or application.
 
   Species: Mouse
   Route of Application: Subcutaneous
   Dose: 868 MG/KG
   Exposure Time: 95W
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria.
   Blood:Lymphomas including Hodgkin's disease. Tumorigenic:Tumors
   at site or application.
 
   Species: Mouse
   Route of Application: Subcutaneous
   Dose: 2912 MG/KG
   Exposure Time: 95W
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria.
   Blood:Lymphomas including Hodgkin's disease. Tumorigenic:Tumors
   at site or application.
 
   Species: Mouse
   Route of Application: Subcutaneous
   Dose: 6616 MG/KG
   Exposure Time: 95W
   Frequency: I
   Result: Tumorigenic:Carcinogenic by RTECS criteria.
   Blood:Lymphomas including Hodgkin's disease. Tumorigenic:Tumors
   at site or application.
 
   Species: Rat
   Route of Application: Oral
   Dose: 2714 MG/KG
   Exposure Time: 2Y
   Frequency: I
   Result: Tumorigenic:Equivocal tumorigenic agent by RTECS
   criteria. Gastrointestinal:Tumors.
 
   Species: Rat
   Route of Application: Inhalation
   Dose: 400 PPM
   Exposure Time: 6H/2Y
   Frequency: I
   Result: Tumorigenic:Equivocal tumorigenic agent by RTECS
   criteria. Sense Organs and Special Senses (Nose, Eye, Ear, and
   Taste):Olfaction:Tumors.
 
   Species: Rat
   Route of Application: Inhalation
   Dose: 300 PPM
   Exposure Time: 6H/2.3Y
   Frequency: I
   Result: Tumorigenic:Neoplastic by RTECS criteria. Skin and
   Appendages: Other: Tumors.
 
IARC CARCINOGEN LIST
 
   Rating: Group 2B
 
NTP CARCINOGEN LIST
 
   Rating: Clear evidence.
   Species: Mouse
   Route: Inhalation
 
CHRONIC EXPOSURE - TERATOGEN
 
   Species: Rat
   Dose: 500 PPM/7H
   Route of Application: Inhalation
   Exposure Time: (7-16D PREG)
   Result: Effects on Embryo or Fetus: Fetotoxicity (except death,
   e.g., stunted fetus). Specific Developmental Abnormalities:
   Musculoskeletal system.
 
   Species: Rat
   Dose: 500 PPM/7H
   Route of Application: Inhalation
   Exposure Time: (1-16D PREG)
   Result: Specific Developmental Abnormalities: Craniofacial
   (including nose and tongue).
 
CHRONIC EXPOSURE - MUTAGEN
   Result: Laboratory experiments have shown mutagenic effects.
 
   Species: Human
   Dose: 1850 UG/L
   Cell Type: lymphocyte
   Mutation test: Cytogenetic analysis
 
   Species: Human
   Dose: 25000 PPM
   Cell Type: lymphocyte
   Mutation test: Sister chromatid exchange
 
   Species: Rat
   Dose: 30 UMOL/L
   Cell Type: liver
   Mutation test: DNA damage
 
   Species: Rat
   Dose: 25 UG/L
   Cell Type: liver
   Mutation test: Cytogenetic analysis
 
   Species: Rat
   Route: Inhalation
   Dose: 300 PPM
   Exposure Time: 5D
   Mutation test: Dominant lethal test
 
   Species: Mouse
   Route: Intraperitoneal
   Dose: 600 MG/KG
   Exposure Time: 24H
   Mutation test: Micronucleus test
 
   Species: Mouse
   Dose: 160 PPM
   Exposure Time: 48H
   Cell Type: lymphocyte
   Mutation test: specific locus test
 
   Species: Mouse
   Route: Intraperitoneal
   Dose: 200 MG/KG
   Mutation test: DNA damage
 
   Species: Mouse
   Route: Intraperitoneal
   Dose: 349 MG/KG
   Mutation test: Cytogenetic analysis
 
   Species: Mouse
   Route: Intraperitoneal
   Dose: 232 MG/KG
   Mutation test: Sister chromatid exchange
 
   Species: Mouse
   Dose: 400 UG/L
   Cell Type: lymphocyte
   Mutation test: Mutation in mammalian somatic cells.
 
   Species: Hamster
   Dose: 160 MG/L
   Cell Type: ovary
   Mutation test: Cytogenetic analysis
 
   Species: Hamster
   Dose: 5 MG/L
   Cell Type: ovary
   Mutation test: Sister chromatid exchange
 
   Species: Hamster
   Dose: 2500 UMOL/L
   Cell Type: lung
   Mutation test: Sister chromatid exchange
 
   Species: Mammal
   Dose: 75 MMOL/L
   Cell Type: lymphocyte
   Mutation test: DNA damage
 
   Species: Mammal
   Dose: 100 MMOL/TUBE
   Cell Type: lymphocyte
   Mutation test: DNA
 
CHRONIC EXPOSURE - REPRODUCTIVE HAZARD
 
   Species: Rat
   Dose: 500 PPM/7H
   Route of Application: Inhalation
   Exposure Time: (15D PRE/1-16D PREG)
   Result: Effects on Fertility: Pre-implantation mortality (e.g.,
   reduction in number of implants per female; total number of
   implants per corpora lutea). Effects on Fertility: Litter size
   (e.g.; # fetuses per litter; measured before birth). Effects on
   Fertility: Other measures of fertility
 
   Species: Rat
   Dose: 47 MG/KG
   Route of Application: Intraperitoneal
   Exposure Time: (1D MALE)
   Result: Paternal Effects: Spermatogenesis (including genetic
   material, sperm morphology,motility, and count).
 
   Species: Rat
   Dose: 1860 MG/KG
   Route of Application: Intraperitoneal
   Exposure Time: (6W MALE)
   Result: Paternal Effects: Spermatogenesis (including genetic
   material, sperm morphology,motility, and count). Paternal
   Effects: Testes, epididymis, sperm duct.
 
   Species: Monkey
   Dose: 100 PPM/7H
   Route of Application: Inhalation
   Exposure Time: (2Y MALE)
   Result: Paternal Effects: Spermatogenesis (including genetic
   material, sperm morphology,motility, and count).
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Section 12 - Ecological Information
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No data available.
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Section 13 - Disposal Considerations
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APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR PREPARATION
   Contact a licensed professional waste disposal service to dispose
   of this material. Burn in a chemical incinerator equipped with an
   afterburner and scrubber but exert extra care in igniting as this
   material is highly flammable. Observe all federal, state, and
   local environmental regulations.
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Section 14 - Transport Information
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DOT
   Proper Shipping Name: Propylene oxide
   UN#: 1280
   Class: 3
   Packing Group: Packing Group I
   Hazard Label: Flammable liquid
   PIH: Not PIH
 
IATA
   Proper Shipping Name: Propylene oxide
   IATA UN Number: 1280
   Hazard Class: 3
   Packing Group: I
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Section 15 - Regulatory Information
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EU DIRECTIVES CLASSIFICATION
   Symbol of Danger: F+ T
   Indication of Danger: Extremely Flammable. Toxic.
   R: 45 46 12 20/21/22 36/37/38
   Risk Statements: May cause cancer. May cause heritable genetic
   damage. Extremely flammable. Harmful by inhalation, in contact
   with skin and if swallowed. Irritating to eyes, respiratory
   system and skin.
   S: 53 45
   Safety Statements: Restricted to professional users. Attention -
   Avoid exposure - obtain special instructions before use. In case
   of accident or if you feel unwell, seek medical advice
   immediately (show the label where possible).
 
US CLASSIFICATION AND LABEL TEXT
   Indication of Danger: Flammable (USA) Extremely Flammable (EU).
   Toxic.
   Risk Statements: May cause cancer. Causes burns. Harmful by
   inhalation, in contact with skin and if swallowed.
   Safety Statements: Restricted to professional users. Attention -
   Avoid exposure - obtain special instructions before use. Keep
   away from sources of ignition - no smoking. Take precautionary
   measures against static discharges. In case of contact with
   eyes, rinse immediately with plenty of water and seek medical
   advice. Wear suitable protective clothing, gloves, and eye/face
   protection. In case of accident or if you feel unwell, seek
   medical advice immediately (show the label where possible).
   US Statements: Readily absorbed through skin. Target organ(s):
   Central nervous system. Calif. Prop. 65 carcinogen.
 
UNITED STATES REGULATORY INFORMATION
   SARA LISTED: Yes
   DEMINIMIS: 0.1 %
   NOTES: This product is subject to SARA section 313 reporting
   requirements.
   TSCA INVENTORY ITEM: Yes
 
UNITED STATES - STATE REGULATORY INFORMATION
 
CALIFORNIA PROP - 65
   California Prop - 65: This product is or contains chemical(s)
   known to the state of California to cause cancer.
 
CANADA REGULATORY INFORMATION
   WHMIS Classification: This product has been classified in
   accordance with the hazard criteria of the CPR, and the MSDS
   contains all the information required by the CPR.
   DSL: Yes
   NDSL: No
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Section 16 - Other Information
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DISCLAIMER
   For R&D use only. Not for drug, household or other uses.
 
WARRANTY
   The above information is believed to be correct but does not
   purport to be all inclusive and shall be used only as a guide.
   Sigma-Aldrich Inc., shall not be held liable for any damage
   resulting from handling or from contact with the above product.
   See reverse side of invoice or packing slip for additional terms
   and conditions of sale. Copyright 2003 Sigma-Aldrich Co. License
   granted to make unlimited paper copies for internal use only.