- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: zincon
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: zincon
- Price: ￥78.0/5g
- Purity: 99.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Zincon
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: ZINCON, 99%
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
135-52-4
135-52-4 structure
- Name: zincon
- Chemical Name: 2-(-2-((-(2-Hydroxy-5-sulfophenyl)diazenyl)-(phenyl)methylene)hydrazinyl)benzoic acid
- CAS Number: 135-52-4
- Molecular Formula: C20H16N4O6S
- Molecular Weight: 440.429
- Catalog: Biochemical Biochemical reagent Acid-base indicator
- Create Date: 2018-12-09 16:07:32
- Modify Date: 2025-08-20 12:02:51
| Name | 2-(-2-((-(2-Hydroxy-5-sulfophenyl)diazenyl)-(phenyl)methylene)hydrazinyl)benzoic acid |
|---|---|
| Synonyms |
2-(-2-((-(2-Hydroxy-5-sulfophenyl)diazenyl)(phenyl)methylene)hydrazinyl)benzoic acid
2-CARBOXY-2'-HYDROXY-5'-SULFOFORMAZYLBENZENE Zincon sodium salt hydrate EINECS 205-197-9 Zincon hydrate sodium salt Benzoic acid, 2-[(2E)-2-[[(E)-2-(2-hydroxy-5-sulfophenyl)diazenyl]phenylmethylene]hydrazinyl]- 2-[(2E)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid MFCD00007507 ZinconGr 2-Carboxy-2'-hydroxy-5'-sulfo-formazylbenzol Zincon,for the photometric determination of copper and zinc |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Melting Point | 203ºC (dec.) |
| Molecular Formula | C20H16N4O6S |
| Molecular Weight | 440.429 |
| Exact Mass | 440.079041 |
| PSA | 169.39000 |
| LogP | 3.16 |
| Index of Refraction | 1.682 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Hazard Codes | Xi: Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | 26-36/37/39-36 |
| HS Code | 2928000090 |
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |