Product ID:MOLYBDENUM (IV) SULFIDE
MSDS Date:01/15/1997
FSC:NIIN:Submitter:D DG
Status Code:A
MSDS Number: CKZCR

Emergency Phone: 800-424-9300

Info Phone: 210-691-2000

Cage: 61665

Telephone: 210-691-2000

Cage: 61665

MOS2

CAS: 1317-33-5

RTECS: QA4697000

ACGIH TLV: 10 MG/M3

Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Explanation of Carcinogenicity:NOT LISTED AS A CARCONOENIC WITH OSHA,
NTP, IARC.
Effects of Overexposure:PERMISSIBLE EXPOSURE LIMIT: INSOLUBLE COMPOUNDS
AS MO: OSHA TWA: 10 MG/M3 (TOTAL DUST); ACGIH TWA: 10 MG/M3.
IRRITATION: EYE. CORROSIVITY: N/A. SENSITIZATION: N/A. LUNG
EFFECTS: N/A. OTHER: N/A.

First Aid:INGESTION: GET MEDICAL ATTENTION IF NEEDED. IF VOMITING
OCCURS, KEEP HEAD LOWER THAN HIPS TO PREVENT ASPIRATION. DERMAL:
FLUSH WITH SOAP AND WATER. FOR SYMPTOMS OF EXPOSURE CONSULT
PHYSICIAN. EYE: FL USH WITH PLENTY OF WATER FOR AT LEAST 15
MINUTES. FOR SYMPTOMS OF EXPOSURE CONSULT PHYSICIAN. INHALATION:
REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION.
GIVE OXYGEN. GET MEDICAL A TTENTION.

Flash Point:NON FLAMMABLE
Extinguishing Media:WATER SPRAY. USE EXTINGUISHING MEDIA SUITABLE FOR
SURROUNDING FIRE CONDITIONS.
Fire Fighting Procedures:WEAR SCBA. COMBUSTION OF THIS MATERIAL WILL
PRODUCE SULFUR DIOXIDE. ALWAYS WEAR FULL PROTECTIVE GEAR IN FIRE
SITUATION

Spill Release Procedures:SWEEP OR SCOOP UP AND REMOVE. USE VACUUM
SYSTEM EQUIPPED WITH HEPA FILTER TO CLEAN UP SPILLS. AVOID RAISING
DUST. ALWAYS WEAR PPE. PLACE IN SUITABLE CONTAINERS FOR PROPER
DISPOSAL.

Other Precautions:WASH THOROUGHLY AFTER HANDLING. DO NOT GET IN EYES,
ON SKIN OR ON CLOTHING. DO NOT BREATHE DUST, VAPOR, MIST, GAS.
ALWAYS WEAR PROTECTIVE CLOTHING.

Respiratory Protection:USE ONLY NIOSH/MSHA APPROVED EQUIPMENT.
FILTER-DUST, FUME, MIST.
Ventilation:ALWAYS MAINTAIN EXPOSURE BELOW PERMISSIBLE EXPOSURE LIMITS.
USE WITH ADEQUATE VENTILATION.
Protective Gloves:IMPERVIOUS, NATURAL RUBBER.
Eye Protection:GOGGLES.
Other Protective Equipment:SUFFICIENT TO PREVENT CONTACT. EMERGENCY EYE
WASH AND SAFETY SHOWER.
Work Hygienic Practices:WAWSH THOROUGHLY AFTER HANDLING. DO NOT GET
INTO EYES, ON SKIN OR ON CLOTHING. DO NOT BREATHE DUST, VAPOR,
MIST, GAS. ALWAYS WEAR PROTECTIVE CLOTHING.
Supplemental Safety and Health
CHEMICAL NAME: MOLYBDENUM (IV) SULFIDE. FORMULA: MOS2. SYNONYMS:
MOLYBDENUM DISULFIDE. CAS #: 1317-33-5. CHEMICAL FAMILY: METAL
SULFIDE.

HCC:N1
Melt/Freeze Pt:=1185.C, ######F
M.P/F.P Text:MELTING
Spec Gravity:4.80
Solubility in Water:INSOLUBLE
Appearance and Odor:BLUE-GRAY TO BLACK CRYSTALLINE POWDER

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS, MIXTURES WITH POTASSIUM NITRATE ARE EXPLOSIVE.
VIOLENT REACTION WITH H202.
Stability Condition to Avoid:THERMAL DECOMPOSITION.
Hazardous Decomposition Products:SO2 AND MO.

Waste Disposal Methods:CONSULT FEDERAL, STATE AND LOCAL AUTHORITIES FOR
PROPER DISPOSAL PROCEDURES.

Toxicological Information:ACUTE: NO SPECIFIC DATA AVAILABLE. INSOLUBLE
MOLYBDENUM COMPOUNDS ARE CHARACTERIZED BY LOW TOXICITY. CHRONIC: 25
ONE-HOUR EXPOSURES TO 490 MG/M3 CAUSED NO EFFECTS IN ALL ANIMALS
TESTED EXCEPT ONE WHIC H DIED AFTER THE THIRD EXPOSURE.
SKIN:DERMITITIS HAS NOT BEEN REPORTED IN EXPOSED WORKERS. EYE:
ACUTE: SOME INSOLUBLE COMPOUNDS ARE IRRITATING TO THE EYES.
CHRONIC: NO DATA. INGESTION: ACUTE: NO DATA. CHRONIC: RATS FED UP
TO 500 MG DAILY FOR 44 DAYS SHOWED NO TOXIC SIGNS AND ALL GAINED
WEIGHT.

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.

Transport Information:DOT CLASSIFICATION NOT REGULATED.

SARA Title III Information:PRODUCT IS NOT REGULATED UNDER SEC. 103,
302, 304, 311, 312, OR 313.
Federal Regulatory Information:PRODUCT IS LISTED ON THE TSCA INVENTORY.
State Regulatory Information:NOT REGULATED UNDER CALIFORNIA PROPOSITION
65.