31232-21-0
31232-21-0 structure
- Name: 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
- Chemical Name: 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
- CAS Number: 31232-21-0
- Molecular Formula: C10H9NO8S2
- Molecular Weight: 335.31000
- Create Date: 2016-11-07 14:33:14
- Modify Date: 2025-08-25 13:50:20
| Name | 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid |
|---|---|
| Synonyms |
3-amino-4,5-dihydroxy-naphthalene-2,7-disulfonic acid
3-Amino-4,5-dihydroxy-naphthalin-2,7-disulfonsaeure 2-Amino-1,8-dihydroxy-3,6-naphthalenedisulfonic acid Aminochromotropsaeure 2,7-Naphthalenedisulfonic acid,3-amino-4,5-dihydroxy |
| Density | 1.993g/cm3 |
|---|---|
| Molecular Formula | C10H9NO8S2 |
| Molecular Weight | 335.31000 |
| Exact Mass | 334.97700 |
| PSA | 191.98000 |
| LogP | 3.06940 |
| Index of Refraction | 1.796 |
| HS Code | 2922299090 |
|---|
|
~%
31232-21-0 |
| Literature: Hantower; Taeuber Chemische Berichte, 1898 , vol. 31, p. 2158 Full Text Show Details Hoechster Farbw. Patent: DE77552 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 4, p. 1067 |
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~%
31232-21-0 |
| Literature: Hantower; Taeuber Chemische Berichte, 1898 , vol. 31, p. 2158 |
| Precursor 2 | |
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| DownStream 1 | |
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |