138-28-3
138-28-3 structure
- Name: 3-methoxy-4-amino azo benzene-3'-sulfonic acid
- Chemical Name: 3-[(4-amino-3-methoxyphenyl)diazenyl]benzenesulfonic acid
- CAS Number: 138-28-3
- Molecular Formula: C13H13N3O4S
- Molecular Weight: 307.32500
- Catalog: Organic raw materials Amino compound Sulfonic acid amino compound
- Create Date: 2018-07-31 10:51:31
- Modify Date: 2025-08-25 17:36:20
| Name | 3-[(4-amino-3-methoxyphenyl)diazenyl]benzenesulfonic acid |
|---|---|
| Synonyms |
4-Amino-3-methoxyphenylazobenzene sulfonic acid
EINECS 205-321-1 4-amino-3-methoxyazobenzene-3`-sulfonic acid 4-(3-sulfophenylazo)-2-methoxyaniline m-[(4-amino-3-methoxyphenyl)azo]benzenesulfonic acid 3-[(e)-(4-amino-3-methoxyphenyl)diazenyl]benzenesulfonic acid 3-((4-AMINO-3-METHOXYPHENYL)DIAZENYL)BENZENESULFONIC ACID |
| Density | 1.43 g/cm3 |
|---|---|
| Molecular Formula | C13H13N3O4S |
| Molecular Weight | 307.32500 |
| Exact Mass | 307.06300 |
| PSA | 122.72000 |
| LogP | 4.60150 |
| Index of Refraction | 1.639 |
| HS Code | 2927000090 |
|---|
|
~%
138-28-3 |
| Literature: EP2096145 A1, ; Page/Page column 17 ; |
|
~%
138-28-3 |
| Literature: EP1679350 A1, ; Page/Page column 34 ; |
| Precursor 2 | |
|---|---|
| DownStream 0 | |
| 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% |