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109-87-5

109-87-5 structure
109-87-5 structure

Name dimethoxymethane
Synonyms 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
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)

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)
Symbol GHS02
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
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%