25747-05-1
25747-05-1 structure
- Name: 3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]naphthalene-1-sulphonic acid
- Chemical Name: eriochrome blue black B
- CAS Number: 25747-05-1
- Molecular Formula: C20H14N2O5S
- Molecular Weight: 394.40100
- Create Date: 2016-02-29 00:14:35
- Modify Date: 2025-08-26 21:58:37
| Name | eriochrome blue black B |
|---|---|
| Synonyms |
3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulfonic acid
3-HYDROXY-4-[(1-HYDROXY-2-NAPHTHYL)DIAZENYL]NAPHTHALENE-1-SULFONIC ACID 2.1''-Dihydroxy-[1.2'']azonaphthalin-sulfonsaeure-(4) 3-hydroxy-4-(1-hydroxy-[2]naphthylazo)-naphthalene-1-sulfonic acid 1-(1-hydroxy-2-naphthylazo)-2-naphthol-4-sulfonic acid 1-(1-hydroxy-2-naphthylazo)-2-naphthol-4-sulphonic acid |
| Molecular Formula | C20H14N2O5S |
|---|---|
| Molecular Weight | 394.40100 |
| Exact Mass | 394.06200 |
| PSA | 127.93000 |
| LogP | 6.14710 |
| HS Code | 2927000090 |
|---|
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |