5963-77-9
5963-77-9 structure
- Name: 2-Pentynoicacid
- Chemical Name: pent-2-ynoic acid
- CAS Number: 5963-77-9
- Molecular Formula: C5H6O2
- Molecular Weight: 98.09990
- Create Date: 2018-05-10 08:00:00
- Modify Date: 2025-08-25 14:25:49
| Name | pent-2-ynoic acid |
|---|---|
| Synonyms |
2-PENTYNOIC ACID
Aethylpropiolsaeure 2-butynoic acid Ethylpropiolicacid Pent-2-insaeure |
| Density | 1.102g/cm3 |
|---|---|
| Boiling Point | 125ºC 30mm |
| Melting Point | 48-50ºC |
| Molecular Formula | C5H6O2 |
| Molecular Weight | 98.09990 |
| Flash Point | 96ºC |
| Exact Mass | 98.03680 |
| PSA | 37.30000 |
| LogP | 0.48440 |
| Index of Refraction | 1.468 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302-H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xn |
| Risk Phrases | 34-36/37/38-22 |
| Safety Phrases | 26-36/37/39-36 |
| RIDADR | UN 3261 |
| HS Code | 2916190090 |
| Precursor 4 | |
|---|---|
| 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% |