4,4'-Methylenedianiline
NIOSH Potential Occupational Carcinogen
Skull and Crossbones
Exclamation Mark
Health Hazard
Environment
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H302 |
Harmful if swallowed | Acute toxicity, oral |
H311 |
Toxic in contact with skin | Acute toxicity, dermal |
H316 |
Causes mild skin irritation | Skin corrosion/irritation |
H317 |
May cause an allergic skin reaction | Sensitization, Skin |
H319 |
Causes serious eye irritation | Serious eye damage/eye irritation |
H341 |
Suspected of causing genetic defects | Germ cell mutagenicity |
H351 |
Suspected of causing cancer | Carcinogenicity |
H361 |
Suspected of damaging fertility or the unborn child | Reproductive toxicity |
H370 |
Causes 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 |
|---|---|
P203 |
Obtain, read and follow all safety instructions before use. |
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. |
P272 |
Contaminated work clothing should not be allowed out of the workplace. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P301+P317 |
IF SWALLOWED: Get medical help. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P305+P351+P338 |
IF IN EYES: Rinse cautiously 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. |
P318 |
if exposed or concerned, get medical advice. |
P319 |
Get medical help if you feel unwell. |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P330 |
Rinse mouth. |
P332+P317 |
If skin irritation occurs: Get medical help. |
P333+P317 |
If skin irritation or rash occurs: Get medical help. |
P337+P317 |
If eye irritation persists: Get medical help. |
P361+P364 |
Take off immediately all contaminated clothing and wash it before reuse. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 0.01 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Pale-brown, crystalline solid with a faint, amine-like odor.
| Boiling Point | 748°F |
| Flash Point | 430°F |
| Vapor Pressure | 0.0000002 mmHg at 77°F |
| Specific Gravity | 1.15 |
NFPA 704 Diamond
1
2
0
Health
Fire
Reactivity
Synonyms
4,4'-diaminodiphenylmethane; para, para'-diaminodiphenyl-methane; dianilinomethane; 4,4'-diphenylmethanediamine
Data Sources
- GHS Classification: PubChem CID 7577
- OSHA PEL: OSHA Occupational Chemical Database
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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