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MSDS Material Safety Data Sheet
CAS

7719-09-7

File Name: palomar_edu---thionyl_chloride_97%.asp
                  PRODUCT #: 157805       NAME: THIONYL CHLORIDE, 97%
MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98
Printed Thursday, March 20, 1903 3:13PM

Sigma Chemical Co. Aldrich Chemical Co., Inc. Fluka Chemical Corp.
P.O. Box 14508 1001 West St. Paul 1001 West St. Paul
St. Louis, MO 63178 Milwaukee, WI 53233 Milwaukee, WI 53233
Phone: 314-771-5765 Phone: 414-273-3850 Phone: 414-273-3850




SECTION 1. - - - - - - - - - CHEMICAL IDENTIFICATION- - - - - - - - - -
CATALOG #: 157805
NAME: THIONYL CHLORIDE, 97%
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -
CAS #: 7719-09-7
MF: CL2OS
EC NO: 404-820-3
SYNONYMS
SULFINYL CHLORIDE * SULFUR CHLORIDE OXIDE * SULFUROUS DICHLORIDE *
SULFUROUS OXYCHLORIDE * THIONYL CHLORIDE (ACGIH:DOT) * THIONYL
DICHLORIDE * UN1836 (DOT) *
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -
LABEL PRECAUTIONARY STATEMENTS
CORROSIVE
CAUSES BURNS.
REACTS VIOLENTLY WITH WATER.
HARMFUL BY INHALATION, IN CONTACT WITH SKIN AND IF SWALLOWED.
LACHRYMATOR.
UNPLEASANT ODOR.
IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF
WATER AND SEEK MEDICAL ADVICE.
AFTER CONTACT WITH SKIN, WASH IMMEDIATELY WITH PLENTY OF WATER.
IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).
WEAR SUITABLE PROTECTIVE CLOTHING, GLOVES AND EYE/FACE
PROTECTION.
STORE UNDER NITROGEN.
KEEP TIGHTLY CLOSED.
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.
ASSURE ADEQUATE FLUSHING OF THE EYES BY SEPARATING THE EYELIDS
WITH FINGERS.
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 IMMEDIATELY.
WASH CONTAMINATED CLOTHING BEFORE REUSE.
SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -
EXTINGUISHING MEDIA
DRY CHEMICAL POWDER.
DO NOT USE WATER.
SPECIAL FIREFIGHTING PROCEDURES
WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO
PREVENT CONTACT WITH SKIN AND EYES.
REACTS VIOLENTLY WITH WATER.
UNUSUAL FIRE AND EXPLOSIONS HAZARDS
WATER HYDROLYZES MATERIAL LIBERATING ACIDIC GAS WHICH IN CONTACT

Page 1
PRODUCT #: 157805 NAME: THIONYL CHLORIDE, 97%
MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98
Printed Thursday, March 20, 1903 3:13PM

WITH METAL SURFACES CAN GENERATE FLAMMABLE AND/OR EXPLOSIVE
HYDROGEN GAS.
EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
CONTAINER EXPLOSION MAY OCCUR UNDER FIRE CONDITIONS.
SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - -
EVACUATE AREA.
WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY
RUBBER GLOVES.
ABSORB ON SAND OR VERMICULITE AND PLACE IN CLOSED CONTAINERS FOR
DISPOSAL.
VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - -
REFER TO SECTION 8.
ADDITIONAL INFORMATION
THIONYL CHLORIDE HAS BEEN REPORTED TO REACT VIOLENTLY WITH DIMETHYL
FORMAMIDE AND WITH METHYL SULFOXIDE (DMSO). CONTAINERS MAY EXPLODE IF
EXPOSED TO TEMPERATURES ABOVE 140 CENTIGRADE.
SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - -
WEAR APPROPRIATE NIOSH/MSHA-APPROVED RESPIRATOR, CHEMICAL-RESISTANT
GLOVES, SAFETY GOGGLES, OTHER PROTECTIVE CLOTHING.
SAFETY SHOWER AND EYE BATH.
USE ONLY IN A CHEMICAL FUME HOOD.
DO NOT BREATHE VAPOR.
DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
WASH THOROUGHLY AFTER HANDLING.
CORROSIVE.
LACHRYMATOR.
TOXIC.
KEEP TIGHTLY CLOSED.
DO NOT ALLOW CONTACT WITH WATER.
UNPLEASANT ODOR.
STORE IN A COOL DRY PLACE.
SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -
APPEARANCE AND ODOR
COLORLESS LIQUID
PHYSICAL PROPERTIES
BOILING POINT: 79 C
MELTING POINT: -105 C
FLASHPOINT NONE
VAPOR PRESSURE: ~97MM 20 C
SPECIFIC GRAVITY: 1.631
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -
INCOMPATIBILITIES
ACIDS
BASES
ALCOHOLS
AVOID CONTACT WITH METALS.
AMINES
REACTS VIOLENTLY WITH:
WATER
HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS
TOXIC FUMES OF:
HYDROGEN CHLORIDE GAS
SULFUR OXIDES
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -
ACUTE EFFECTS
HARMFUL IF SWALLOWED, INHALED, OR ABSORBED THROUGH SKIN.

Page 2
PRODUCT #: 157805 NAME: THIONYL CHLORIDE, 97%
MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98
Printed Thursday, March 20, 1903 3:13PM

CAUSES BURNS.
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
LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS AND PULMONARY EDEMA.
SYMPTOMS OF EXPOSURE MAY INCLUDE BURNING SENSATION, COUGHING,
WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND
VOMITING.
TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL, AND
TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
RTECS #: XM5150000
THIONYL CHLORIDE
TOXICITY DATA
IHL-RAT LC50:500 PPM/1H NTIS** AD-A148-952
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 - - - - - - - - -
DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE SOLVENT AND BURN IN A
CHEMICAL INCINERATOR EQUIPPED WITH AN AFTERBURNER AND SCRUBBER.
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: 016-058-00-5
CORROSIVE
R 14
REACTS VIOLENTLY WITH WATER.
R 34
CAUSES BURNS.
R 37
IRRITATING TO RESPIRATORY SYSTEM.
S 26
IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF
WATER AND SEEK MEDICAL ADVICE.
S 45
IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).
REVIEWS, STANDARDS, AND REGULATIONS
OEL=MAK
ACGIH TLV-CL 4.9 MG/M3 (1 PPM) DTLVS* TLV/BEI,1996
OEL-AUSTRALIA:TWA 1 PPM (5 MG/M3) JAN 1993
OEL-BELGIUM:STEL 1 PPM (4.9 MG/M3) JAN 1993
OEL-DENMARK:TWA 1 PPM (5 MG/M3) JAN 1993
OEL-THE NETHERLANDS:TWA 1 PPM (5 MG/M3) JAN 1993
OEL-SWITZERLAND:TWA 1 PPM (5 MG/M3) JAN 1993
OEL-UNITED KINGDOM:STEL 1 PPM (5 MG/M3) JAN 1993
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA CHECK ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM CHECK ACGIH TLV
NIOSH REL TO THIONYL CHLORIDE-AIR:CL 1 PPM
NIOSH* DHHS #92-100,1992
NOHS 1974: HZD 82024; NIS 3; TNF 73; NOS 7; TNE 2440
NOES 1983: HZD 82024; NIS 2; TNF 43; NOS 6; TNE 7082; TFE 1223
EPA TSCA SECTION 8(B) CHEMICAL INVENTORY

Page 3
PRODUCT #: 157805 NAME: THIONYL CHLORIDE, 97%
MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98
Printed Thursday, March 20, 1903 3:13PM

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, APRIL 1997
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 1997 SIGMA CHEMICAL CO., ALDRICH CHEMICAL CO., INC.,
FLUKA CHEMIE AG
LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY




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