| Name | 3-methylbut-2-enoic acid |
|---|---|
| Synonyms |
3-Methyl-2-butenoic acid
EINECS 208-782-7 β-Methylcrotonic acid QV1UY1&1 3-Methylcrotonate Senecic acid 2-Butenoic acid, 3-methyl- But-2-enoic acid, 3-methyl- Crotonic acid, 3-methyl- Senecioic acid 3,3-Dimethylacrylic acid 3-Methylcrotonic acid 3-Methylbut-2-enoic acid MFCD00004366 |
| Density | 1.0±0.1 g/cm3 |
|---|---|
| Boiling Point | 194.5±0.0 °C at 760 mmHg |
| Melting Point | 65-70 °C(lit.) |
| Molecular Formula | C5H8O2 |
| Molecular Weight | 100.116 |
| Flash Point | 95.9±9.6 °C |
| Exact Mass | 100.052429 |
| PSA | 37.30000 |
| LogP | 1.35 |
| Vapour Pressure | 0.2±0.7 mmHg at 25°C |
| Index of Refraction | 1.451 |
| Storage condition | -20°C |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
|
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H315-H318-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R37/38;R41 |
| Safety Phrases | S26-S36/37/39 |
| RIDADR | 3261 |
| WGK Germany | 1 |
| RTECS | GQ5425000 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2916190090 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |