Valid 05/2001 - 07/2001
Aldrich Chemical Co., Inc.
1001 West St. Paul
Milwaukee, WI 53233 USA
Tel: 414-273-3850
M A T E R I A L S A F E T Y D A T A S H E E T
SECTION 1. - - - - - - - - - CHEMICAL IDENTIFICATION- - - - - - - - - -
CATALOG #: 295507
NAME: CHLOROMETHANE, 99.5+%
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -
CAS #: 74-87-3
MF: CH3CL
EC NO: 200-817-4
SYNONYMS
ARTIC * CHLOOR-METHAAN (DUTCH) * CHLOR-METHAN (GERMAN) *
CHLOROMETHANE * CHLORURE DE METHYLE (FRENCH) * CLOROMETANO (ITALIAN) *
CLORURO DI METILE (ITALIAN) * METHYLCHLORID (GERMAN) * METHYL
CHLORIDE (ACGIH:OSHA) * METYLU CHLOREK (POLISH) * MONOCHLOROMETHANE *
R 40 * RCRA WASTE NUMBER U045 *
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -
LABEL PRECAUTIONARY STATEMENTS
FLAMMABLE (USA)
HIGHLY FLAMMABLE (EU)
TOXIC
MAY CAUSE HERITABLE GENETIC DAMAGE.
IRRITATING TO EYES, RESPIRATORY SYSTEM AND SKIN.
TOXIC BY INHALATION.
POSSIBLE CARCINOGEN.
POSSIBLE TERATOGEN.
DANGER: FLAMMABLE AND TOXIC LIQUID AND GAS UNDER PRESSURE.
KEEP AWAY FROM SOURCES OF IGNITION - NO SMOKING.
IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).
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.
MOISTURE SENSITIVE
REFRIGERATE BEFORE OPENING.
CYLINDER TEMPERATURE SHOULD NOT EXCEED 125 F(52 C).
DO NOT PUNCTURE OR INCINERATE THIS CYLINDER.
SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - -
IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH COPIOUS
AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED
CLOTHING AND SHOES.
IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS.
CALL A PHYSICIAN.
SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -
EXTINGUISHING MEDIA
DO NOT EXTINGUISH BURNING GAS IF FLOW CANNOT BE SHUT OFF IMMEDIATELY.
USE WATER SPRAY OR FOG NOZZLE TO KEEP CYLINDER COOL. MOVE CYLINDER
AWAY FROM FIRE IF THERE IS NO RISK.
SPECIAL FIREFIGHTING PROCEDURES
WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO
PREVENT CONTACT WITH SKIN AND EYES.
DANGER: FLAMMABLE AND TOXIC LIQUID AND GAS UNDER PRESSURE.
UNUSUAL FIRE AND EXPLOSIONS HAZARDS
MAY FORM EXPLOSIVE MIXTURES WITH AIR.
VAPOR MAY TRAVEL CONSIDERABLE DISTANCE TO SOURCE OF IGNITION AND
FLASH BACK.
CONTAINER EXPLOSION MAY OCCUR UNDER FIRE CONDITIONS.
EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - -
EVACUATE AREA AND KEEP PERSONNEL UPWIND.
SHUT OFF ALL SOURCES OF IGNITION.
WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY
RUBBER GLOVES.
SHUT OFF LEAK IF THERE IS NO RISK.
VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - -
REFER TO SECTION 8.
ADDITIONAL INFORMATION
IN THE PRESENCE OF CATALYTIC AMOUNTS OF ALUMINUM CHLORIDE, POWDERED
ALUMINUM AND CHLOROMETHANE INTERACT TO FORM PYROPHORIC
TRIMETHYLALUMINUM. CHLOROMETHANE MAY REACT EXPLOSIVELY WITH:
MAGNESIUM, ZINC OR POTASSIUM, SODIUM OR THEIR ALLOYS. INCOMPATIBLE
WITH NATURAL RUBBER AND MANY NEOPRENE COMPOSITES WHILE POLYVINYL
ALCOHOL IS UNAFFECTED.
SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - -
CHEMICAL SAFETY GOGGLES.
COMPATIBLE CHEMICAL-RESISTANT GLOVES.
USE ONLY IN A CHEMICAL FUME HOOD.
NIOSH/MSHA-APPROVED RESPIRATOR.
SAFETY SHOWER AND EYE BATH.
DO NOT BREATHE GAS.
DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
AVOID PROLONGED OR REPEATED EXPOSURE.
WASH THOROUGHLY AFTER HANDLING.
TOXIC.
IRRITANT.
POSSIBLE CARCINOGEN.
MUTAGEN.
POSSIBLE TERATOGEN.
KEEP TIGHTLY CLOSED.
MOISTURE SENSITIVE
KEEP AWAY FROM HEAT, SPARKS, AND OPEN FLAME.
CYLINDER TEMPERATURE SHOULD NOT EXCEED 125 F(52 C).
STORE AND USE WITH ADEQUATE VENTILATION.
CONTENTS UNDER PRESSURE.
REFRIGERATE BEFORE OPENING.
WARNING: SUCK-BACK INTO CYLINDER MAY CAUSE RUPTURE.
USE BACK-FLOW-PREVENTIVE DEVICE IN PIPING.
USE WITH EQUIPMENT RATED FOR CYLINDER PRESSURE, AND OF COMPATIBLE
MATERIALS OF CONSTRUCTION. CLOSE VALVE WHEN NOT IN USE AND WHEN EMPTY.
MAKE SURE CYLINDER IS PROPERLY SECURED WHEN IN USE OR STORED.
SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -
APPEARANCE AND ODOR
COLORLESS GAS
PHYSICAL PROPERTIES
BOILING POINT: -24.2 C
MELTING POINT: -97 C
EXPLOSION LIMITS IN AIR:
UPPER 19%
LOWER 7%
AUTOIGNITION TEMPERATURE: 1169 F
VAPOR PRESSURE: 3796MM 20 C
SPECIFIC GRAVITY: 0.915
VAPOR DENSITY: 1.74
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -
INCOMPATIBILITIES
STRONG OXIDIZING AGENTS
GALVANIZED IRON
MAY DECOMPOSE ON EXPOSURE TO MOIST AIR OR WATER.
HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS
CARBON MONOXIDE, CARBON DIOXIDE
HYDROGEN CHLORIDE GAS
PHOSGENE GAS
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -
ACUTE EFFECTS
HARMFUL IF INHALED.
CAUSES EYE AND SKIN IRRITATION.
MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER
RESPIRATORY TRACT.
CHRONIC EFFECTS
DAMAGE TO THE LUNGS
DAMAGE TO THE LIVER
DAMAGE TO THE KIDNEYS
DAMAGE TO THE HEART
POSSIBLE CARCINOGEN.
MAY ALTER GENETIC MATERIAL.
OVEREXPOSURE MAY CAUSE REPRODUCTIVE DISORDER(S) BASED ON TESTS WITH
LABORATORY ANIMALS.
ADDITIONAL INFORMATION
METHYL CHLORIDE IS RAPIDLY ABSORBED THROUGH THE LUNGS AND IS EXCRETED
VERY SLOWLY FROM THE BODY. SYMPTOMS OF EXPOSURE INCLUDE: DIZZINESS,
HEADACHE, WEAKNESS, UNSTEADY WALK, NAUSEA, VOMITING, ABDOMINAL PAIN,
EXTREME NERVOUSNESS, MENTAL CONFUSION, TREMORS, CONVULSIONS,
UNCONSCIOUSNESS AND DEATH, DAMAGE TO THE CENTRAL NERVOUS SYSTEM.
APPARENT RECOVERY FROM A SEEMINGLY MINOR EXPOSURE VIA INHALATION MAY
BE FOLLOWED BY SERIOUS AND PROLONGED AFTEREFFECTS WITHIN A FEW DAYS OR
WEEKS WHICH CAN BE FATAL. REPEATED EXPOSURES TO METHYL CHLORIDE ARE
DANGEROUS BECAUSE IT IS ELIMINATED VERY SLOWLY FROM THE BODY WHICH
CONVERTS METHYL CHLORIDE INTO HYDROCHLORIC ACID AND METHYL ALCOHOL.
RTECS #: PA6300000
METHANE, CHLORO-
TOXICITY DATA
IHL-HMN LCLO:20000 PPM/2H 34ZIAG -,386,1969
ORL-RAT LD50:1800 MG/KG 85JCAE -,86,1986
IHL-RAT LC50:5300 MG/M3/4H 85GMAT -,82,1982
IHL-MUS LC50:2200 PPM/6H TXAPA9 86,93,1986
TARGET ORGAN DATA
KIDNEY, URETER, BLADDER (BLADDER TUMORS)
KIDNEY, URETER, BLADDER (KIDNEY TUMORS)
PATERNAL EFFECTS (SPERMATOGENESIS)
PATERNAL EFFECTS (TESTES, EPIDIDYMIS, SPERM DUCT)
MATERNAL EFFECTS (OTHER EFFECTS ON FEMALE)
EFFECTS ON EMBRYO OR FETUS (FETOTOXICITY)
EFFECTS ON EMBRYO OR FETUS (FETAL DEATH)
SPECIFIC DEVELOPMENTAL ABNORMALITIES (MUSCULOSKELETAL SYSTEM)
SPECIFIC DEVELOPMENTAL ABNORMALITIES (CARDIOVASCULAR SYSTEM)
TUMORIGENIC EFFECTS (TESTICULAR TUMORS)
TUMORIGENIC (CARCINOGENIC BY RTECS CRITERIA)
TUMORIGENIC (EQUIVOCAL TUMORIGENIC AGENT BY RTECS CRITERIA)
ONLY SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES
(RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR
COMPLETE INFORMATION.
SECTION 12. - - - - - - - - - ECOLOGICAL INFORMATION - - - - - - - - - -
DATA NOT YET AVAILABLE.
SECTION 13. - - - - - - - - - DISPOSAL CONSIDERATIONS - - - - - - - - -
CAUTION: NO-RETURN CYLINDER. DO NOT REUSE. EMPTY CYLINDER WILL CONTAIN
HAZARDOUS RESIDUE. FOLLOW PROPER DISPOSAL TECHNIQUES.
OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.
SECTION 14. - - - - - - - - - - TRANSPORT INFORMATION - - - - - - - - -
CONTACT ALDRICH CHEMICAL COMPANY FOR TRANSPORTATION INFORMATION.
SECTION 15. - - - - - - - - - REGULATORY INFORMATION - - - - - - - - - -
EUROPEAN INFORMATION
EC INDEX NO: 602-001-00-7
HIGHLY FLAMMABLE
TOXIC
R 12
EXTREMELY FLAMMABLE.
R 40
POSSIBLE RISK OF IRREVERSIBLE EFFECTS.
R 48/20
HARMFUL: DANGER OF SERIOUS DAMAGE TO HEALTH BY PROLONGED
EXPOSURE THROUGH INHALATION.
S 9
KEEP CONTAINER IN A WELL-VENTILATED PLACE.
S 16
KEEP AWAY FROM SOURCES OF IGNITION - NO SMOKING.
S 33
TAKE PRECAUTIONARY MEASURES AGAINST STATIC DISCHARGES.
REVIEWS, STANDARDS, AND REGULATIONS
OEL=MAK
ACGIH TLV-NOT CLASSIFIABLE AS A HUMAN CARCINOGEN DTLVS* TLV/BEI,1999
ACGIH TLV-STEL 100 PPM (SKIN) DTLVS* TLV/BEI,1999
ACGIH TLV-TWA 50 PPM (SKIN) DTLVS* TLV/BEI,1999
IARC CANCER REVIEW:ANIMAL INADEQUATE EVIDENCE IMEMDT 41,161,1986
IARC CANCER REVIEW:ANIMAL INADEQUATE EVIDENCE IMEMDT 71,737,1999
IARC CANCER REVIEW:HUMAN INADEQUATE EVIDENCE IMEMDT 41,161,1986
IARC CANCER REVIEW:HUMAN INADEQUATE EVIDENCE IMEMDT 71,737,1999
IARC CANCER REVIEW:GROUP 3 IMEMDT 71,737,1999
MSHA STANDARD:AIR-CL 100 PPM (210 MG/M3)
DTLVS* 3,160,1971
OSHA PEL (GEN INDU):8H TWA 100 PPM;CL 200;PK 300/5M/3H
CFRGBR 29,1910.1000,1994
OSHA PEL (CONSTRUC):8H TWA 100 PPM (210 MG/M3)
CFRGBR 29,1926.55,1994
OSHA PEL (SHIPYARD):8H TWA 100 PPM (210 MG/M3)
CFRGBR 29,1915.1000,1993
OSHA PEL (FED CONT):CL 100 PPM (210 MG/M3)
CFRGBR 41,50-204.50,1994
OEL-ARAB REPUBLIC OF EGYPT: TWA 50 PPM (105 MG/M3), JAN1993
OEL-AUSTRALIA: TWA 50 PPM (105 MG/M3), STEL 100 PPM, JAN1993
OEL-AUSTRIA: MAK 50 PPM (105 MG/M3), SUSPECTED CARCINOGEN, JAN1999
OEL-BELGIUM: TWA 50 PPM (103 MG/M3), STEL 100 PPM (207 MG/M3), JAN1993
OEL-DENMARK: TWA 50 PPM (105 MG/M3), JAN1999
OEL-FINLAND: TWA 50 PPM (105 MG/M3), STEL 75 PPM (160 MG/M3), JAN1999
OEL-FRANCE: VME 50 PPM (105 MG/M3), VLE 100 PPM, C3 CARCINOGEN, JAN1999
OEL-GERMANY: MAK 50 PPM (105 MG/M3), CARCINOGEN, JAN1999
OEL-HUNGARY: TWA 20 MG/M3, STEL 40 MG/M3, JAN1993
OEL-JAPAN: OEL 50 PPM (100 MG/M3), JAN1999
OEL-THE NETHERLANDS: MAC-TGG 50 PPM (105 MG/M3), JAN1999
OEL-NORWAY: TWA 25 PPM (50 MG/M3), JAN1999
OEL-THE PHILIPPINES: TWA 100 PPM (210 MG/M3), JAN1993
OEL-POLAND: MAC(TWA) 20 MG/M3, STEL 160 MG/M3, JAN1999
OEL-RUSSIA: TWA 50 PPM, STEL 5 MG/M3, JAN1993
OEL-SWEDEN: NGV 50 PPM (100 MG/M3), KTV 100 PPM (200 MG/M3), JAN1999
OEL-SWITZERLAND: MAK-W 50 PPM (105 MG/M3), KZG-W 100 PPM (210 MG/M3),
OEL-THAILAND: TWA 100 MG/M3, STEL 200 MG/M3, JAN1993
OEL-TURKEY: TWA 100 PPM (210 MG/M3), JAN1993
OEL-UNITED KINGDOM: TWA 50 PPM (105 MG/M3), STEL 100 PPM, SEP2000
OEL IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA CHECK ACGIH TLV;
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM CHECK ACGIH TLV
NIOSH REL TO METHYL CHLORIDE-AIR:CA LOWEST FEASIBLE CONCENTRATION
NIOSH* DHHS #92-100,1992
NOHS 1974: HZD M0421; NIS 32; TNF 1937; NOS 29; TNE 8804
NOES 1983: HZD M0421; NIS 18; TNF 596; NOS 38; TNE 10003; TFE 571
EPA GENETOX PROGRAM 1988, POSITIVE: HISTIDINE REVERSION-AMES TEST
EPA TSCA SECTION 8(B) CHEMICAL INVENTORY
EPA TSCA 8(A) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULE
FEREAC 47,26992,82
EPA TSCA SECTION 8(D) UNPUBLISHED HEALTH/SAFETY STUDIES
ON EPA IRIS DATABASE
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
NIOSH CURRENT INTELLIGENCE BULLETIN 43, 1984
NIOSH ANALYTICAL METHOD, 1994: METHYL CHLORIDE, 1001
U.S. INFORMATION
THIS PRODUCT IS SUBJECT TO SARA SECTION 313 REPORTING REQUIREMENTS.
SECTION 16. - - - - - - - - - - OTHER INFORMATION- - - - - - - - - - - -
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,
FLUKA 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 2001 SIGMA-ALDRICH CO.
LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY
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