*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : OZ2975000
CHEMICAL NAME : Methacrylic acid
CAS REGISTRY NUMBER : 79-41-4
BEILSTEIN REFERENCE NO. : 1719937
REFERENCE : 4-02-00-01518 (Beilstein Handbook Reference)
LAST UPDATED : 199712
DATA ITEMS CITED : 34
MOLECULAR FORMULA : C4-H6-O2
MOLECULAR WEIGHT : 86.10
WISWESSER LINE NOTATION : QVY1&U1
COMPOUND DESCRIPTOR : Drug
Mutagen
SYNONYMS/TRADE NAMES :
* Acrylic acid, 2-methyl-
* Kyselina methakrylova
* Methacrylic acid
* alpha-Methylacrylic acid
* 2-Methylpropenoic acid
* 2-Propenoic acid, 2-methyl-
* Propionic acid, 2-methylene-
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1060 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 41(4),6,1976
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 49(10),64,1984
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 25(11),57,1981
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 48 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc.,
2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961-
Volume(issue)/page/year: 62,778,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 49(10),64,1984
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 95200 nL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc.,
2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961-
Volume(issue)/page/year: 63,376,1974
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 1200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 38(8),13,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure
Indices," 5th ed., Cincinnati, OH, American Conference of Governmental
Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 5,362,1986
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton,
G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82.
Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985.
Volume(issue)/page/year: 2C,4953,1982
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 910 mg/kg/26W-I
TOXIC EFFECTS :
Behavioral - alteration of classical conditioning
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 38(8),13,1973
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 221 mg/m3/24H/17W-C
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - dehydrogenases
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 46(5),10,1981
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 221 mg/m3/24H/17W-C
TOXIC EFFECTS :
Behavioral - alteration of classical conditioning
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 46(5),10,1981
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 910 mg/kg/26W-I
TOXIC EFFECTS :
Liver - liver function tests impaired
Nutritional and Gross Metabolic - metabolic acidosis
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 38(8),13,1973
** MUTATION DATA **
TYPE OF TEST : DNA adduct
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 50 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 89,95,1981
*** REVIEWS ***
ACGIH TLV-TWA 70 mg/m3 (20 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
TOXICOLOGY REVIEW
EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing
Office, Supt of Documents, Washington, DC 20402) No.1- 1972-
Volume(issue)/page/year: 11,141,1975
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 20 ppm (70 mg/m3) JAN 1993
OEL-BELGIUM:TWA 20 ppm (70 mg/m3) JAN 1993
OEL-DENMARK:TWA 20 ppm (70 mg/m3) JAN 1993
OEL-FRANCE:TWA 20 ppm (70 mg/m3) JAN 1993
OEL-GERMANY:TWA 50 ppm (210 mg/m3) JAN 1993
OEL-THE NETHERLANDS:TWA 20 ppm (70 mg/m3) JAN 1993
OEL-RUSSIA:STEL 101 mg/m3;Skin JAN 1993
OEL-SWEDEN:TWA 20 ppm (70 mg/m3);STEL 30 ppm (100 mg/m3) JAN 1993
OEL-SWITZERLAND:TWA 20 ppm (70 mg/m3) JAN 1993
OEL-UNITED KINGDOM:TWA 20 ppm (70 mg/m3);STEL 40 ppm (140 mg/m3) 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 METHACRYLIC ACID-air:10H TWA 20 ppm (Sk)
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 - M3304
No. of Facilities: 1529 (estimated)
No. of Industries: 12
No. of Occupations: 31
No. of Employees: 18977 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - M3304
No. of Facilities: 10110 (estimated)
No. of Industries: 109
No. of Occupations: 75
No. of Employees: 145414 (estimated)
No. of Female Employees: 46453 (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
*** END OF RECORD ***