3405-77-4
3405-77-4 structure
- Name: 5-Methylisoxazole-3-carboxylic acid
- Chemical Name: 5-methyl-1,2-oxazole-3-carboxylic acid
- CAS Number: 3405-77-4
- Molecular Formula: C5H5NO3
- Molecular Weight: 127.098
- Create Date: 2018-02-28 08:00:00
- Modify Date: 2026-08-02 17:03:22
| Name | 5-methyl-1,2-oxazole-3-carboxylic acid |
|---|---|
| Synonyms |
BUTTPK 27
3-Carboxy-5-methylisoxazole 5-Methyl-3-isoxazolecarboxylic acid Isoxazole Acid 5-Methylisoxazole-3-cboxylic acid 3-Cboxy-5-methylisoxazole EINECS 222-289-4 5-methyl-isoxazole-3-carboxylic acid 5-Methyl-1,2-oxazole-3-carboxylic acid 5-Methyl-isoxazol-3-cboxylic acid T5NOJ C1 EVQ 3-Isoxazolecboxylicacid, 5-Methyl TIMTEC-BB SBB005437 3-Carboxy-5-methylisoxazole MFCD01318162 5-Methylisoxazole-3-cboxylicacid 5-Methyl-3-isooxazolecboxylic acid 5-METHYL-3-ISOXAZOLECBOXYLIC ACID 5-Methylisoxazole-3-cboxylic Acid > 5-meyhyl-1,2-oxazole-3-cboxylic acid 5-Methylisooxazole-3-cboxylic acid 3-Cboxy-5-methylisoxazole, 3-Cboxy-5-methyl-1,2-oxazole 5-methyl-3-isoxazole carboxylic acid |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 312.5±22.0 °C at 760 mmHg |
| Melting Point | 168 °C |
| Molecular Formula | C5H5NO3 |
| Molecular Weight | 127.098 |
| Flash Point | 142.8±22.3 °C |
| Exact Mass | 127.026939 |
| PSA | 63.33000 |
| LogP | 0.68 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.514 |
| Hazard Codes | Xi:Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S37/39 |
| HS Code | 2934999090 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |