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MATERIAL SAFETY DATA SHEET
MSDS # GCC2-7
DIMETHYL SULFIDE (DMS)
December 31, 2007
PRODUCT NAME: Dimethyl Sulfide (DMS) CHEMICAL NAME: Dimethyl Sulfide

SYNONYMS/TRADE NAMES: Exact S®, methyl sulfide, thiobismethane, 2-thiopropane, dimethyl monosulfide
Use of the substance: Sulfiding agent, gas odorant and chemical raw material.

MOLECULAR FORMULA: C
2
H
6
S MOLECULAR
WEIGHT:
62.13

MANUFACTURER/SUPPLIER:
GAYLORD CHEMICAL COMPANY, LLC
P.O. BOX 1209
SLIDELL, LA 70459-1209

EMERGENCY HEALTH, SAFETY & ENVIRONMENTAL INFORMATION, CALL:
Gaylord Chemical Company, LLC
(985) 649-5464 (8:00 am - 5:00 pm CST)
(985) 732-8662 (Nights and Weekends)

EMERGENCY TRANSPORTATION INFORMATION, CALL:
CHEMTREC (800) 424-9300

OTHER INFORMATION, CALL:
Gaylord Chemical Company, LLC
(985) 649-5464
Hazardous Ingredient
CAS No
EINECS Weight %
OSHA PEL
ACGIH TLV®
Dimethyl Sulfide
75-18-3
200-846-2
99.0
Not established
10 ppm
NTP/IARC/OSHA/ACGIH CARCINOGEN: No
EC Classifications:
Symbols: Xi; F
Risk Phrases: R11, R36; R37; R38
WARNING!
STENCH
FLAMMABLE LIQUID AND VAPOR
EFFECTS OF OVEREXPOSURE:
Inhalation:
High vapor concentrations may cause headache, memory loss, confusion,
convulsions, unconsciousness (lethal concentration rats (LC50), 40,250 ppm).
Eyes:
Can cause irritation or inflammation.
Skin:
Can cause stinging on contact with subsequent reddening and removal of skin
oils.
Ingestion:
Can cause irritation to mouth, throat, and stomach, nausea and vomiting.
Chronic: None
identified.
Carcinogenicity:
None of the components present in this material at concentrations equal to or
greater than 0.1% are listed by IARC, NTP, OSHA, or ACGIH as a carcinogen.

HMIS Hazard Ratings: Health - 2, Flammability - 4, Chemical Reactivity - 0
NFPA Hazard Ratings: Health - 1, Flammability - 4, Chemical Reactivity - 0
Note: HMIS and NFPA ratings involve data and interpretations that may vary from company to company. They are
intended only for rapid, general identification of the magnitude of the specific hazard. To deal adequately with the
safe handling of this material, all the information contained in this MSDS must be considered.




1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
2. COMPOSITION/INFORMATION ON INGREDIENTS
3. HAZARDS IDENTIFICATION