dimethoxymethane
Names
[ CAS No. ]:
109-87-5
[ Name ]:
dimethoxymethane
[Synonym ]:
dimethoxy methane
2,4-Dioxapentane
EINECS 203-714-2
Anesthenyl
Formal
dimethyloxymethane
dimethylformaldehyde dimethyl acetal
Methylene Glycol Dimethyl Ether
METHYLAL
Formaldehyde dimethyl acetal,Methylal
Methane,dimethoxy
MFCD00008495
Dimethylformal
Formaldehyde Dimethyl Acetal
Dimethyl formal
Dimethoxymethane
Chemical & Physical Properties
[ Density]:
0.8±0.1 g/cm3
[ Boiling Point ]:
45.2±8.0 °C at 760 mmHg
[ Melting Point ]:
-105 °C
[ Molecular Formula ]:
C3H8O2
[ Molecular Weight ]:
76.094
[ Flash Point ]:
-17.2±0.0 °C
[ Exact Mass ]:
76.052429
[ PSA ]:
18.46000
[ LogP ]:
-0.26
[ Vapour Pressure ]:
364.6±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.348
[ Stability ]:
Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point and wide explosive limits. Incompatible with strong oxidizing agents, strong acids. May form explosive peroxides upon exposure to air.
[ Water Solubility ]:
32.3 g/100 mL (16 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- PA8750000
- CHEMICAL NAME :
- Methane, dimethoxy-
- CAS REGISTRY NUMBER :
- 109-87-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 35
- MOLECULAR FORMULA :
- C3-H8-O2
- MOLECULAR WEIGHT :
- 76.11
- WISWESSER LINE NOTATION :
- 1O1O1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536049 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 15000 ppm
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015) Volume(issue)/page/year: 1,73,1974
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0524346
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 57 gm/m3/7H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,259,1986
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 5708 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 29,730,1932
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >16 mL/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - iritis Lungs, Thorax, or Respiration - other changes Liver - other changes
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536049 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 35100 mg/m3/7H/22D-I
- REFERENCE :
- BJIMAG British Journal of Industrial Medicine. (British Medical Journal, Box 560B, Kennebunkport, ME 04046) V.1- 1944- Volume(issue)/page/year: 8,279,1951 *** REVIEWS *** ACGIH TLV-TWA 3110 mg/m3 (1000 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 1000 ppm (3100 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,154,1971 OSHA PEL (Gen Indu):8H TWA 1000 ppm (3100 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 1000 ppm (3100 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 1000 ppm (3100 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 1000 ppm (3100 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-BELGIUM:TWA 1000 ppm (3110 mg/m3) JAN 1993 OEL-DENMARK:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-FINLAND:TWA 1000 ppm (3100 mg/m3);STEL 1250 ppm (3900 mg/m3) JAN 1993 OEL-FRANCE:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-GERMANY:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-POLAND:TWA 1000 mg/m3 JAN 1993 OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-TURKEY:TWA 1000 ppm (3100 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 1000 ppm (3100 mg/m3);STEL 1250 ppm JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO METHYLAL-air:10H TWA 1000 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 26075 No. of Facilities: 122 (estimated) No. of Industries: 5 No. of Occupations: 6 No. of Employees: 399 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26075 No. of Facilities: 9104 (estimated) No. of Industries: 123 No. of Occupations: 70 No. of Employees: 156806 (estimated) No. of Female Employees: 21093 (estimated)
Safety Information
[ Symbol ]:
GHS02
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225
[ Supplemental HS ]:
May form explosive peroxides.
[ Precautionary Statements ]:
P210-P370 + P378-P403 + P235
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
[ Hazard Codes ]:
F:Flammable;Xi:Irritant;
[ Risk Phrases ]:
R11;R36/37/38
[ Safety Phrases ]:
S16-S26-S33-S7/9-S37/39
[ RIDADR ]:
UN 1234 3/PG 2
[ WGK Germany ]:
1
[ RTECS ]:
PA8750000
[ Packaging Group ]:
II
[ Hazard Class ]:
3
[ HS Code ]:
2909199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2909199090
[ Summary ]:
2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%
Articles
Chem. Commun. (Camb.) 47(14) , 4285-7, (2011)
Heterogeneous Re/SiO(2) catalysts prepared using a one pot sol-gel synthesis were found to display high activity in the direct, selective methanol conversion to methylal, which is correlated to an unp...
Matrix isolation infrared and ab initio study of the conformations of 2,2-dimethoxypropane.Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 59(7) , 1497-507, (2003)
Conformations of 2,2-dimethoxypropane (DMP) were studied using matrix isolation infrared spectroscopy. An effusive source maintained at different temperatures (298, 388 and 430 K) was used to deposit ...
Ligand close packing, molecular compactness, the methyl tilt, molecular conformations, and a new model for the anomeric effect.Chemistry 16(12) , 3663-75, (2010)
All the atoms in a molecule attract each other until they reach their equilibrium positions at which point the repulsive forces between the atoms just balance the attractive forces and there are no re...