- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1,7-cleve's acid
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1,7-cleve's acid
- Price: ￥298.0/100g
- Purity: 97.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 1-Naphthylamine-7-sulfonic acid suppliers in China
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
119-28-8
119-28-8 structure
- Name: 1,7-cleve's acid
- Chemical Name: 1-Naphthylamine-7-sulfonic acid
- CAS Number: 119-28-8
- Molecular Formula: C10H9NO3S
- Molecular Weight: 223.248
- Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitrosation of carboxylic acids
- Create Date: 2018-03-16 08:00:00
- Modify Date: 2025-08-25 16:44:30
| Name | 1-Naphthylamine-7-sulfonic acid |
|---|---|
| Synonyms |
8-Aminonaphthalene-2-Sulfonic Acid
2-Naphthalenesulfonic acid, 8-amino- 8-Amino-2-naphthalenesulfonic acid EINECS 204-311-4 1,7-cleve's acid MFCD00044844 1-Naphthylamine-7-sulfonic Acid |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Melting Point | ≥300 °C(lit.) |
| Molecular Formula | C10H9NO3S |
| Molecular Weight | 223.248 |
| Exact Mass | 223.030319 |
| PSA | 88.77000 |
| LogP | 0.42 |
| Index of Refraction | 1.713 |
| Symbol |
GHS05 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314 |
| Precautionary Statements | P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | C:Corrosive; |
| Risk Phrases | R34 |
| Safety Phrases | S26-S36/37/39-S45 |
| RIDADR | UN 2585 8/PG 3 |
| WGK Germany | 2 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2921450090 |
|
~%
119-28-8 |
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Literature: Grundlegende Operationen der Farbenchemie, 5. Aufl. |
|
~%
119-28-8 |
| Literature: Bulletin de la Societe Chimique de France, , vol. <2> 29, p. 415 Chemische Berichte, , vol. 19, p. 2181 Oef. Sv., , # 2 p. 274,34 |
|
~%
119-28-8 |
| Literature: DE117471 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 6, p. 190 |
|
~%
119-28-8 |
| Literature: DE62634 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 431 |
|
~%
119-28-8 |
| Literature: DE62634 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 431 |
| Precursor 6 | |
|---|---|
| DownStream 10 | |
| HS Code | 2921450090 |
|---|---|
| Summary | 2921450090 1-naphthylamine (α-naphthylamine), 2-naphthylamine (β-naphthylamine) and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |