6638-64-8
6638-64-8 structure
- Name: 6H-Dibenzo[b,d]pyran-6-one,3-nitro-
- Chemical Name: 7-nitro-3,4-benzocoumarin
- CAS Number: 6638-64-8
- Molecular Formula: C13H7NO4
- Molecular Weight: 241.19900
- Create Date: 2018-07-17 15:22:50
- Modify Date: 2024-01-06 09:53:44
| Name | 7-nitro-3,4-benzocoumarin |
|---|---|
| Synonyms |
3-nitro-benzo[c]chromen-6-one
7-Nitro-9-oxaphenanthren-10-one 3-nitro-6H-dibenzo(b,d)pyran-6-one 3-Nitro-6H-benzo[c]chromen-6-one 6H-Dibenzo(B,D)pyran-6-one,3-nitro 3-NITRODIBENZOPYRANONE 3-Nitrodibenzo<b,d>pyran-6-on MFCD00004992 7-Nitro-3,4-[1,3]butadieno-2H-1-benzopyran-2-one |
| Density | 1.457g/cm3 |
|---|---|
| Boiling Point | 431.5ºC at 760 mmHg |
| Melting Point | 203-205ºC(lit.) |
| Molecular Formula | C13H7NO4 |
| Molecular Weight | 241.19900 |
| Flash Point | 210.1ºC |
| Exact Mass | 241.03800 |
| PSA | 76.03000 |
| LogP | 3.37760 |
| Index of Refraction | 1.673 |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATAMUTATION DATA
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| Precursor 3 | |
|---|---|
| DownStream 1 | |
![[1,1'-Biphenyl]-2-carboxylicacid, 4'-nitro- structure](https://www.chemsrc.com/caspic/475/18211-41-1.png)
![3-amino-benzo[c]chromen-6-one structure](https://www.chemsrc.com/caspic/448/6967-04-0.png)
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |