*** 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
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* Anesthenyl
* Bis(methoxy)methane
* Dimethoxymethane
* Dimethyl formal
* Dioxapentane
* Formal
* Formaldehyde dimethylacetal
* Formaldehyde methyl ketal
* Methoxymethyl methyl ether
* Methylal
* Methylene dimethyl ether
* Metylal
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 100 uL
REACTION SEVERITY : Moderate
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
TOXIC EFFECTS :
Behavioral - ataxia
Related to Chronic Data - death
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)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NIOSH Analytical Method, 1994: Methylal, 1611
*** END OF RECORD ***