| Agent Name |
Methacrylic acid |
|---|
| CAS Number |
79-41-4 |
|---|
| Formula |
C4-H6-O2 |
|---|
| Major Category |
Other Classes |
|---|
| Synonyms |
2-Methyl-2-propenoic acid; 2-Methylacrylic acid; 2-Methylenepropionic acid; 2-Methylpropenoic acid; 2-Propenoic acid, 2-methyl-; Acide methacrylique [French]; Acido metacrilico [Spanish]; Acrylic acid, 2-methyl-; Kyselina methakrylova [Czech]; Methacrylic acid; Propenoic acid, 2-methyl; Propionic acid, 2-methylene-; alpha-Methylacrylic acid; [ChemIDplus] UN2531 |
|---|
| Category |
Organic Acids |
|---|
| Description |
Colorless liquid or solid (below 61 degrees F) with an acrid, repulsive odor; [NIOSH] |
|---|
| Sources/Uses |
Used to synthesize organic compounds and as a monomer for plastics; [ACGIH] |
|---|
| Comments |
Methacrylic acid can cause skin burns and, after acute heavy inhalation exposure, pulmonary edema. [ICSC] Causes second degree burns after a few minutes skin exposure; [CHRIS] Corrosive to skin; [Quick CPC] Methacrylic acid was negative in skin sensitization testing; [Reference #1] |
|---|
| Reference Link |
Occupational allergic contact dermatitis caused by photobonded sculptured nails and a review of (meth) acrylates in nail cosmetics |
|---|
| Exposure Assessment |
|---|
| Skin Designation (ACGIH) |
No |
|---|
| TLV (ACGIH) |
20 ppm |
|---|
| MAK |
5 ppm |
|---|
| Vapor Pressure |
0.99 mm Hg |
|---|
| Explanatory Notes |
Flash point = 77 deg C; |
|---|
| Flammability (NFPA) |
2: high ambient temperature required |
|---|
| Adverse Effects |
|---|
| Toxic Pneumonitis |
Yes |
|---|
| Dermatotoxin |
Skin Burns |
|---|
| Links to Other NLM Databases |
|---|
| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: METHACRYLIC ACID
|
|---|
