- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: N,N'-Diphenylbenzidine
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: N,N'-Diphenylbenzidine
- Price: ￥748.0/25g ￥198.0/5g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: N,N'-Diphenylbenzidine
- 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: N,N'-Diphenylbenzidine
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
- Zhongshan Xingrui Chemical Co. , Ltd.
- China
- Product Name: N,N'-Diphenylbenzidine
- Price: ￥Inquiry/1kg ￥Inquiry/25kg ￥Inquiry/200kg
- Purity: 99.0%
- Stocking Period: 3 Day
- Contact: Wang Jie
- Email: 3096638339@qq.com
531-91-9
531-91-9 structure
- Name: N,N'-Diphenylbenzidine
- Chemical Name: N,N'-Diphenylbenzidine
- CAS Number: 531-91-9
- Molecular Formula: C24H20N2
- Molecular Weight: 336.429
- Catalog: Biochemical Biochemical reagent Acid-base indicator
- Create Date: 2018-06-30 13:08:23
- Modify Date: 2025-08-26 08:37:31
| Name | N,N'-Diphenylbenzidine |
|---|---|
| Synonyms |
N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine
[1,1'-Biphenyl]-4,4'-diamine, N,N-diphenyl- N,N‘-Diphenylbenzidine benzidine, n,n'-diphenyl- EINECS 208-521-7 N,N'-Diphenyl-4,4'-biphenyldiamine 4-(4-anilinophenyl)-N-phenylaniline N,N'-Diphenylbenzidine (1,1'-Biphenyl)-4,4'-diamine, N,N'-diphenyl- N,N'-Diphenylbiphenyl-4,4'-diamine MFCD00003016 [1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl- N,N-Diphenylbenzidine 4,4'-Dianilinobiphenyl |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 535.0±43.0 °C at 760 mmHg |
| Melting Point | 246-248 °C(lit.) |
| Molecular Formula | C24H20N2 |
| Molecular Weight | 336.429 |
| Flash Point | 342.0±19.9 °C |
| Exact Mass | 336.162659 |
| PSA | 24.06000 |
| LogP | 6.09 |
| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
| Index of Refraction | 1.690 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi: Irritant;F+: Extremely flammable |
| Safety Phrases | S22-S24/25 |
| RIDADR | 2811 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 6.1(b) |
| HS Code | 2921590090 |
| Precursor 8 | |
|---|---|
| DownStream 4 | |
| HS Code | 2921590090 |
|---|---|
| Summary | 2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |