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Substance Name: Methacrylic acid
RN: 79-41-4
UNII: 1CS02G8656
InChIKey: CERQOIWHTDAKMF-UHFFFAOYSA-N
Molecular Formula
- C4-H6-O2
Molecular Weight
- 86.0894
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Drug / Therapeutic Agent
- Mutation Data
Superlist Classification Code
- TWA (20 ppm)
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Names and Synonyms
Name of Substance
- Methacrylic acid
Synonyms
- 2-Methyl-2-propenoic acid
- 2-Methylacrylic acid
- 2-Methylenepropionic acid
- 2-Methylpropenoic acid
- 2-Propenoic acid, 2-methyl-
- 4-02-00-01518 (Beilstein Handbook Reference)
- Acide methacrylique
- Acide methacrylique [French]
- Acido metacrilico
- Acido metacrilico [Spanish]
- Acrylic acid, 2-methyl-
- AI3-15724
- alpha-Methylacrylic acid
- BRN 1719937
- CCRIS 5925
- EC 201-204-4
- EINECS 201-204-4
- HSDB 2649
- Kyselina methakrylova
- Kyselina methakrylova [Czech]
- Methacrylic acid
- NSC 7393
- Propenoic acid, 2-methyl
- Propionic acid, 2-methylene-
- UNII-1CS02G8656
Systematic Names
- 2-Propenoic acid, 2-methyl-
- Methacrylic acid
Superlist Names
- 2-Propenoic acid, 2-methyl-
- Methacrylic acid
- Methacrylic acid, inhibited
- Methacrylic acid, inhibited [UN2531] [Corrosive]
- UN2531
Registry Numbers
CAS Registry Number
- 79-41-4
FDA UNII
- 1CS02G8656
Other Registry Numbers
- 1338439-16-9
- 2023788-71-6
- 2278236-99-8
- 463311-95-7
- 562836-84-4
Related Registry Numbers
- 16809-88-4 (calcium salt)
- 5536-61-8 (hydrochloride salt)
System Generated Number
- 0000079414
Structure Descriptors
InChI
InChI=1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)InChIKey
CERQOIWHTDAKMF-UHFFFAOYSA-NSmiles
CC(=C)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
child | TDLo | oral | 250uL/kg (0.25mL/kg) | LUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHI GASTROINTESTINAL: NAUSEA OR VOMITING SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" | Pediatrics. Vol. 102, Pg. 979, 1998. |
dog | LDLo | intravenous | 95200nL/kg (95200mL/kg) | Journal of Pharmaceutical Sciences. Vol. 63, Pg. 376, 1974. | |
guinea pig | LD50 | skin | 1gm/kg (1000mg/kg) | "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 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982. | |
mouse | LD50 | intraperitoneal | 48mg/kg (48mg/kg) | Journal of Pharmaceutical Sciences. Vol. 62, Pg. 778, 1973. | |
mouse | LD50 | oral | 1250mg/kg (1250mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(11), Pg. 57, 1981. | |
mouse | LD50 | unreported | 1250mg/kg (1250mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 49(10), Pg. 64, 1984. | |
rabbit | LD50 | oral | 1200mg/kg (1200mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(8), Pg. 13, 1973. | |
rabbit | LD50 | skin | 500mg/kg (500mg/kg) | "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 5, Pg. 362, 1986. | |
rat | LD50 | oral | 1060mg/kg (1060mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 41(4), Pg. 6, 1976. | |
rat | LD50 | unreported | 1600mg/kg (1600mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 49(10), Pg. 64, 1984. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | 16 | deg C | EXP | |
Boiling Point | 163 | deg C | EXP | |
pKa Dissociation Constant | 4.65 | (none) | EXP | |
log P (octanol-water) | 0.93 | (none) | EXP | |
Water Solubility | 8.90E+04 | mg/L | 25 | EXP |
Vapor Pressure | 0.99 | mm Hg | 25 | EXP |
Henry's Law Constant | 3.88E-07 | atm-m3/mole | 25 | EXP |
Atmospheric OH Rate Constant | 1.86E-11 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.