13991-36-1
13991-36-1 structure
- Name: 4-bromocrotonic acid
- Chemical Name: 4-bromocrotonic acid
- CAS Number: 13991-36-1
- Molecular Formula: C4H5BrO2
- Molecular Weight: 164.985
- Catalog: Chemical reagent Organic reagent Halogenated aliphatic hydrocarbon
- Create Date: 2018-08-26 15:37:14
- Modify Date: 2026-08-14 11:57:56
| Name | 4-bromocrotonic acid |
|---|---|
| Synonyms |
r-bromocrotonic acid
2-Butenoic acid,4-bromo-,(E) (2E)-4-bromobut-2-enoic acid 4-Bromocrotonic Acid bromocrotonic acid 2-Butenoic acid,4-broMo-, (2E) (E)-4-bromocrotonic acid 4-BroMobut-2-enoic acid TRANS-4-BROMO-2-BUTENOIC ACID 4-Bromocrotonic acid - min gamma-Bromocrotonic acid 4-bromocrotonic aci (E)-4-Bromo-2-butenoic acid (E)-4-Bromocrotonic acid 4-BROMOCROTONIC ACID (2E)-4-Bromo-2-butenoic acid Neratinib Impurity 25 2-Butenoic acid, 4-bromo-, (E) (E)-BrCH2CH=CHCO2H trans-4-Bromo-2-butenoic Acid Remimazolam Impurity 4 Remazolam impurity 4 4-Bromocrotonic Acid > 4-bromocrotonic Acid CAS NO.13-1 4-bromo crotonic acid |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 287.6±23.0 °C at 760 mmHg |
| Melting Point | 74ºC |
| Molecular Formula | C4H5BrO2 |
| Molecular Weight | 164.985 |
| Flash Point | 127.7±22.6 °C |
| Exact Mass | 163.947281 |
| PSA | 37.30000 |
| LogP | 1.12 |
| Vapour Pressure | 0.0±1.3 mmHg at 25°C |
| Index of Refraction | 1.536 |
| Storage condition | Refrigerator |
| Hazard Codes | C |
|---|---|
| Risk Phrases | R34 |
| Safety Phrases | S36/37/39 |
| RIDADR | UN 3261 |
| Packaging Group | III |
| HS Code | 2916190090 |
| Precursor 10 | |
|---|---|
| DownStream 7 | |
| 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% |