Product ID:CYREN TC
MSDS Date:12/01/1996
FSC:6840
NIIN:01-270-9766
MSDS Number: CHHSR

CHEMINOVA,INC

OAK HILL PARK,1700 RT 23,SUITE 210
WAYNE, NJ 07470
US

Emergency Phone: 800-228-5835(800-424-9300 CHEMTREC)

Info Phone: 201-305-6600

Cage: 1DRK6

SUMMIT CHEMICAL CO

BALTIMORE, MD 21224-2028 US

Telephone: 410-282-5200

Cage: 6R717

CHLORPYRIFOS (CERCLA)

CAS: 2921-88-2

RTECS: TF6300000

Fraction By Weight: 44-45%

OSHA PEL S, 0.2 MG/M3

ACGIH TLV: S, 0.2 MG/M3; 9596

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

AROMATIC HYDROCARBON SOLVENT, EMULSIFERS

CAS: 70693-06-0

Fraction By Weight: 55-56%

OSHA PEL 5 MG/M3 AS OIL MIST

ACGIH TLV: 5 MG/M3 AS OIL MIST

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 205 MG/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:CHLORPYRIFOS IS A CHOLINESTERASE
INHIBITOR. IT RAPIDLY ENTERS THE BODY ON CONTACT WITH ALL SKIN
SURFACES AND EYES. REPEATED EXPOSURES TO CHOLINESTERASE INHIBITORS
SUCH AS CHLORYRIFOS MAY, WITHOUT WARN ING, CAUSE INCREASED
SUSCEPTIBILITY TO DOSES OF ANY CHOLINESTERASE INHIBITOR.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:HEADACHES, NAUSEA, VOMITING, CRAMPS, WEAKNESS,
BLURRED VISION, PIN-POINT PUPILS, TIGHTNESS IN CHEST, LABORED
BREATHING, NERVOUSNESS, SWEATING, WATERING OF EYES, DROOLING, OR
FROTHING OF MOUTH AND NOSE , MUSCLE SPASMS, AND COMA.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:GET MEDICAL ATTENTION. EXPLAIN THAT VICTIM HAS BEEN EXPOSED
TO CHLORPYRIFOS, AN ORGANOPHOSPHORUS INSECTICIDE. EYES: FLUSH WITH
LARGE AMOUNTS OF WATER. GET MEDICAL ATTENTION. SKIN: REMOVE
CONTAMINATED CLOTHING. WASH SKIN WITH SOAP AND WATER.GET MEDICAL
ATTENTION. INHALATION: MOVE TO FRESH AIR. IF NOT BREATHING GIVE
CPR. GET MEDICAL ATTENTION. INGESTION:DO NOT INDUCE VOMITING.GET
MEDICAL ATTENTION.

Flash Point Method:PMCC
Flash Point:=73.9C, 165.F
Extinguishing Media:DRY CHEMICAL OR CARBON DIOXIDE FOR SMALL FIRES,
WATER SPRAY OR FOAM FOR LARGE FIRES.
Fire Fighting Procedures:USE WATER SPRAY TO COOL FIRE-EXPOSED
CONTAINERS.AVOID HEAVY HOSE STREAMS.DIKE TO PREVENT WATER
RUNOFF.WEAR SCBA AND PROTECTIVE CLOTHING.FIGHT FROM MAX DISTANCE.
Unusual Fire/Explosion Hazard:CHLORPYRIFOS WILL DECOMPOSE RAPIDLY WHEN
HEATED ABOVE 160C SIGNIFICANTLY INCREASING RISK OF INDUCING
EXPLOSION. DECOMPOSITION IS DEPENDENT ON TIME AND TEMP.

Spill Release Procedures:DIKE SPILL AND ABSORB WITH AN INERT ABSORENT
SUCH AS HYDRATED LIME/SAWDUST/FULLER'S EARTH. SCOOP INTO PROPER
METAL CONTAINERS FOR DISPOSAL. RINSE AREA WITH SODA LYE. DIG UP
SPILLS THAT SOAK INTO GROUN D AND PLACE IN METAL CONTAINER FOR
DISPOSAL.
Neutralizing Agent:SODA LYE.

Handling and Storage Precautions:AVOID STORAGE ABOVE 122F FOR EXTENDED
PERIODS OF TIME. STORAGE BELOW 55F MAY RESULT IN FORMATION OF
CRYSTALS. NEVER HEAT PRODUCT ABOVE 131F.
Other Precautions:PROTECT AGAINST STRONG HEAT FROM SUNSHINE OR OTHER
SOURCE. STORE AND HANDLE IN WELL VENTILATED AREA. AVOID CONTACT
WITH EYES, SKIN. AVOID BREATHING VAPORS OR MISTS. PROTECT CONTAINER
AGAINST MECHANICA L DAMAGE.

Respiratory Protection:NONE NORMALLY REQUIRED. IF TLV IS EXCEEDED WEAR
NIOSH-APPROVED RESPIRATOR. IN EMERGENCY, WEAR A NIOSH-APPROVED
POSITIVE-PRESSURE SELF-CONTAINED BREATHING APPARATUS.
Ventilation:PROVIDE ADEQUATE MECHANICAL (GENERAL AND/OR LOCAL EXHAUST)
VENTILATION TO MAINTAIN EXPOSURE BELOW TLV(S).
Protective Gloves:WEAR WATER-PROOF GLOVES.
Eye Protection:AVOID CONTACT WITH EYES.
Other Protective Equipment:EYE WASH STATION, EMERGENCY SHOWER. WEAR
LONG-SLEEVED SHIRTS, LONG PANTS, SOCKS, AND SHOES.
Work Hygienic Practices:WASH AFTER HANDLING AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHING BEFORE REUSE.
Supplemental Safety and Health
EPA REGISTRATION NUMBER: 67760-10. CHLORPYRIFOS IS CLASSED A SEVERE
MARINE POLLUTANT. RQ LISTED EQUAL TO ONE POUND OF
CHLORPYRIFOS,(2.222 LBS OF PRODUCT). NOTIFY PROPER AUTHORITIES IN
CASE OF SPILLS.

HCC:T4
Boiling Pt:B.P. Text:DECOMPOSES
Melt/Freeze Pt:M.P/F.P Text:<32F,<0C
Decomp Temp:Decomp Text:320F,160C
Vapor Pres:0.0000187
Spec Gravity:1.110 G/ML @20C
Solubility in Water:EMULSIFIABLE
Appearance and Odor:PALE YELLOWISH TO BROWNISH LIQUID. SLIGHTLY
AROMATIC.

Stability Indicator/Materials to Avoid:YES
STRONG ALKALIES, AMINES, AND STRONG OXIDIZING COMPOUNDS. THE TECHNICAL
ACTIVE INGREDIENT IS CORROSIVE TO MILD STEEL.
Stability Condition to Avoid:AVOID HEAT ABOVE 131F AND BELOW 55F. AVOID
STRONG HEAT FROM SUNSHINE OR OTHER SOURCE.
Hazardous Decomposition Products:HYDROGEN CHLORIDE, ETHYL SULFIDE,
DIETHYL SULFIDE, NITROGEN OXIDES, VARIOUS CHLORINATED ORGANIC
COMPOUNDS.
Conditions to Avoid Polymerization:DECOMPOSITION REACTIONS INVOLVE
REARRANGEMENTS AND POLYMERIZATION RELEASING VOLATILE
MALODOROUS/INFLAMMABLE COMPOUNDS.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH
LOCAL,STATE,FEDERAL REGULATIONS. DO NOT CONTAMINATE FOOD, FEED, OR
WATER. RQ FOR CHLORPYRIFOS IS ONE POUND (2.222 LBS OF PRODUCT).
CHLORPYRIFOS IS ALSO LISTED A SEVERE MA RINE POLLUTANT.NOTIFY
PROPER AUTHORITIESOF SPILL.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.