dimethyl ether

Modify Date: 2024-01-01 17:01:25

dimethyl ether Structure
dimethyl ether structure
Common Name dimethyl ether
CAS Number 115-10-6 Molecular Weight 46.068
Density 0.7±0.1 g/cm3 Boiling Point -29.5±3.0 °C at 760 mmHg
Molecular Formula C2H6O Melting Point −141 °C(lit.)
MSDS N/A Flash Point -85.9±5.7 °C

 Names

Name dimethyl ether
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.7±0.1 g/cm3
Boiling Point -29.5±3.0 °C at 760 mmHg
Melting Point −141 °C(lit.)
Molecular Formula C2H6O
Molecular Weight 46.068
Flash Point -85.9±5.7 °C
Exact Mass 46.041866
PSA 9.23000
LogP -0.08
Vapour density 1.62 (vs air)
Vapour Pressure 4784.2±0.0 mmHg at 25°C
Index of Refraction 1.309
Stability Stable. Extremely flammable. Note low flash point. May form explosive mixtures with air. May form peroxides during prolonged storage.
Water Solubility soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PM4780000
CHEMICAL NAME :
Methyl ether
CAS REGISTRY NUMBER :
115-10-6
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C2-H6-O
MOLECULAR WEIGHT :
46.08
WISWESSER LINE NOTATION :
1O1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
308 gm/m3
TOXIC EFFECTS :
Behavioral - general anesthetic
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 1,79,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2 pph/6H/30W-I
TOXIC EFFECTS :
Liver - changes in liver weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 11,65,1978 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-GERMANY:TWA 1000 ppm (1910 mg/m3) JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81811 No. of Facilities: 897 (estimated) No. of Industries: 7 No. of Occupations: 12 No. of Employees: 50005 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81811 No. of Facilities: 223 (estimated) No. of Industries: 3 No. of Occupations: 8 No. of Employees: 2282 (estimated) No. of Female Employees: 75 (estimated)

 Safety Information

Hazard Codes F+:Highlyflammable;
Risk Phrases R12
Safety Phrases S9-S16-S33
RIDADR UN 1033 2.1
WGK Germany 1
RTECS PM4780000
Hazard Class 2.1
HS Code 2909191000

 Synthetic Route

 Customs

HS Code 2909191000
Summary 2909191000 methoxymethane。Supervision conditions:None。VAT:13.0%。Tax rebate rate:13.0%。Lowest tariff:5.5%。General tariff:30.0%

 Synonyms

CH3-O-CH3
dimethylether
methyl ether
dimethyl ether
Methane, 1,1'-oxybis-
ether, dimethyl
3,4,5-TRIMETHOXY-2-(METHOXYMETHYL)CINNAMONITRILE
EINECS 204-065-8
Ether, methyl
Methoxymethane
monomethyl ether
MFCD00008494
(CH3)2O
DME
METHANE,1,1'-OXYBIS-
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