Document GmRK491vNVXb4vZ8YVzZxyXYm
CrownZellerbach
Chemical Products Division
P.O. Box 4266 Vancouver (Orchards), Washington 98662
PRODUCT INFORMATION BULLETIN
DIMETHYL SULFOXIDE
Regulatory Agency Information TSCA - DOT - OSHA
326-19
July, 1977
PRODUCT INFORMATION BULLETIN
H3C-S-CH3
DIMETHYL SULFOXIDE; EMSO
Toxic Substances Control Act Registration CAS Name: Methane, Sulfinylbis CAS Registry Number: 67-68-5
Department of Transportation Regulation DOT Hazardous Materials Regulations 49 CFR Hazard Class: Combustible Liquid Proper Shipping Name: Combustible Liquid, NOS (Dimethyl Sulfoxide) Shipping Classification: Combustible Liquid
SL 049736
MATERIAL SAFETY DATA SHEET
____________________________________________ SECTION I Chemical Name DIMETHYL SULFOXIDE; SULFINYLBISMETHANE
1 Synonyms METHYL SULFOXIDE, DMSO TYa dename DMSO, DIMETHYL SULFOXIDE
Chemical Family ALIPHATIC SULFOXIDE
Formula
H3C-S-CH3; C2H6OS
Crown Zellerbach Corporation Chemical Products Division P. O. Box 4266 Vancouver, (Orchards) WA 98662 Phone (206) 254-0924
| I j
SECTION n - N.A.
Boiling Point
Vapor Pressure (20c.
Vapor Density (Air = 1)
Solubility in Water % by Weight
Solubility in Other Solvents ) Appearance and Odor
SECTION III - PHYSICAL DATA
I89 C
372 F Melting Point
0.46 mm Hg
Specific Gravity (h2o = 1)
Evaporation Rate 2.7 ( = 1)
18.5C
65.3F
1.1014 (9.18 lbs/gal)
Miscible in all proportions
Molecular Weight 78.13
Soluble in most common organic solvents except paraffinic hydrocarbons.
Colorless liquid; mild, characteristic odor
|
Flash Point (Test Method) (cc)
SECTION IV - FIRE AND EXPLOSION HAZARD DA'PA
89 C
192 F Autoignition Temp.
300-) C 302 )
572-)F 575 )
Flammable Limits in Air (% by Vol.)
Lower 3-3*5%
Extinguishing Media
Water, foam, fog, dry chemical, CO2
Special Fire Fighting Procedures
N.A.
Unusual Fire Hazards
SOg is in combustion gases
Upper 42-63#
Threshold Limit Value (TLV)
Eye Irritation
Other
W Effects of | Over Exposure
SECTION V - HEALTH HAZARD DATA
Oral(rats): 17.400-28,300 mg/kg;
Not established
LD50 Deroal(rats): 40,000 mg/kg; (monkey) 7*11.000 nur/kc.
Skin Irritation Slight
Not Known
SL 049737 Equivalent in Content to OSHA-20
Eye Contact
SECTION V - HEALTH HAZARD DATA (Cont'd) Wash thoroughly with running water.
^kin Contact ^_______________________
Inhalation
Wash thoroughly with running water.
Avoid breathing a spray or mist of DMSO or a high concentration of vapors.
Ingestion
Stability (Thermal Light (Etc.) Hazardous Polymerization Incompatibility (Materials to Avoid Hazardous Decom position Products
SECTION VI - REACTIV CTY DATA
Stable
X Conditions Prolonged heating above
Unstable
to Avoid
1500c. (300F.)
Mav Occur Will Not Occur
X
Conditions Vigorous reaction with alkaL
to Avoid
metals or reactive acid hall
DMSO reacts exothennally with strong oxidizing agents, such as
perchlorates
Formaldehyde, methyl mercaptan, sulfur dioxide
Precautions if Material is Re leased or Spilled
I^Vaste Disposal ^Pvfethods
SECTION VII - SPILL OR LEAK PROCEDURES Flush with water. Use normal care in avoiding contact with spilled materials or breathing sprays or mists containing DMSO.
Domestic or industrial sewer
Eye Protection
Respiratory Protection Skin Protection
Ventilation
SECTION VIII - SPECIAL PROTECTION INFORMATION Safety glasses, goggles or face shield when danger of splashing.
Filter if airborne drops or sprays are present
Use protective clothing including gloves (butyl rubber), and head, foot and body protection, if needed, to minimize skin contact.
Good exhaust ventilation where vapors or mist persist
Handling and Storing
SECTION DC - SPECIAL PRECAUTIONS
Avoid contact with DMSO solutions containing toxic or unknown materials.
SECTION X - SHIPPING REGULATIONS
DMSO is subject to sane Hazardous Materials Regulations as a combustible liquid. Consult 49 CFR.
SL 0A973
Information in this bulletin is the best available and believed to be correct. No warranty is expressed or implied regarding its accuracy or the use of the product Nothing herein constitutes permission or recommendation to practice any invention covered by any patent without a license from the owner of the patent.
SL 0a9739