Maleic anhydride
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H302 |
Harmful if swallowed | Acute toxicity, oral |
H311 |
Toxic in contact with skin | Acute toxicity, dermal |
H314 |
Causes severe skin burns and eye damage | Skin corrosion/irritation |
H317 |
May cause an allergic skin reaction | Sensitization, Skin |
H318 |
Causes serious eye damage | Serious eye damage/eye irritation |
H330 |
Fatal if inhaled | Acute toxicity, inhalation |
H334 |
May cause allergy or asthma symptoms or breathing difficulties if inhaled | Sensitization, respiratory |
H370 |
Causes damage to organs | Specific target organ toxicity, single exposure |
H371 |
May cause damage to organs | Specific target organ toxicity, single exposure |
H372 |
Causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
H373 |
May causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P233 |
Keep container tightly closed. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P262 |
Do not get in eyes, on skin, or on clothing. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P272 |
Contaminated work clothing should not be allowed out of the workplace. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P284 |
[In case of inadequate ventilation] Wear respiratory protection. |
P301+P317 |
IF SWALLOWED: Get medical help. |
P301+P330+P331 |
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P302+P361+P354 |
IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes. |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P305+P354+P338 |
IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P316 |
Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P319 |
Get medical help if you feel unwell. |
P320 |
Specific treatment is urgent (see ... on this label). |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P330 |
Rinse mouth. |
P333+P317 |
If skin irritation or rash occurs: Get medical help. |
P342+P316 |
If experiencing respiratory symptoms: Get emergence medical help immediately. |
P361+P364 |
Take off immediately all contaminated clothing and wash it before reuse. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
P363 |
Wash contaminated clothing before reuse. |
P403 |
Store in a well-ventilated place. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 1 mg-m3 |
| NIOSH REL | 1 mg-m3 |
| NIOSH IDLH | 10 mg-m3 |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless needles, white lumps, or pellets with an irritating, choking odor.
| Boiling Point | 396°F |
| Flash Point | 218°F |
| Vapor Pressure | 0.2 mmHg |
| Specific Gravity | 1.43 at 59°F |
NFPA 704 Diamond
1
3
1
Health
Fire
Reactivity
Target Organs
severe eye irritation, skin and respiratory irritation, and sensitization
Synonyms
cis-butenedioic anhydride; 2,5-furanedione; maleic acid anhydride; toxilic anhydride
Data Sources
- GHS Classification: PubChem CID 7923
- OSHA PEL: OSHA Occupational Chemical Database
- NIOSH REL/IDLH: NIOSH Pocket Guide
Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.
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