19484-57-2
19484-57-2 structure
- Name: 6-chloro-4-hydroxycoumarin
- Chemical Name: 6-chloro-4-hydroxychromen-2-one
- CAS Number: 19484-57-2
- Molecular Formula: C9H5ClO3
- Molecular Weight: 196.58700
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
- Create Date: 2018-07-27 11:41:34
- Modify Date: 2025-08-26 20:41:31
| Name | 6-chloro-4-hydroxychromen-2-one |
|---|---|
| Synonyms |
6-chloro-2-hydroxy-4h-chromen-4-one
4-hydroxy-6-chlorocoumarin 6-chloro-4-hydroxycoumarine MFCD00239399 6-Chloro-4-hydroxycoumarin 4-hydroxy-6-chloro-2H-chromen-2-one 6-chloro-4-hydroxy-6-methylcoumarin 6-Chloro-4-hydroxy-2H-chromen-2-one 6-chloro-4-hydroxy-2H-1-benzopyran-2-one |
| Density | 1.585 g/cm3 |
|---|---|
| Boiling Point | 392.613ºC at 760 mmHg |
| Melting Point | 291 °C (dec.)(lit.) |
| Molecular Formula | C9H5ClO3 |
| Molecular Weight | 196.58700 |
| Flash Point | 191.246ºC |
| Exact Mass | 195.99300 |
| PSA | 50.44000 |
| LogP | 2.15200 |
| Vapour Pressure | 0mmHg at 25°C |
| Index of Refraction | 1.668 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2932209090 |
|
~73%
19484-57-2 |
| Literature: Zhao, Pei-Liang; Wang, Le; Zhu, Xiao-Lei; Huang, Xiaoqin; Zhan, Chang-Guo; Wu, Jia-Wei; Yang, Guang-Fu Journal of the American Chemical Society, 2010 , vol. 132, # 1 p. 185 - 194 |
|
~44%
19484-57-2 |
| Literature: Sosnovskikh; Kutsenko; Ovsyannikov Russian Chemical Bulletin, 2000 , vol. 49, # 3 p. 478 - 481 |
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| Literature: Russian Chemical Bulletin, , vol. 49, # 3 p. 478 - 481 |
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| Literature: Russian Chemical Bulletin, , vol. 49, # 3 p. 478 - 481 |
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19484-57-2 |
| Literature: Revue Roumaine de Chimie, , vol. 37, # 4 p. 495 - 508 |
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| Literature: Synthetic Communications, , vol. 17, # 12 p. 1507 - 1512 |
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19484-57-2 |
| Literature: Journal of Heterocyclic Chemistry, , vol. 49, # 5 p. 1169 - 1178 |
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19484-57-2 |
| Literature: Monatshefte fuer Chemie, , vol. 86, p. 506,510 |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |