- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,3-Difluoroisonicotinic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,3-Difluoroisonicotinic acid
- Price: ￥1128.0/5g ￥428.0/1g
- Purity: 98.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,3-DIFLUOROPYRIDINE-4-CARBOXYLIC ACID
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
851386-31-7
851386-31-7 structure
- Name: 2,3-Difluoroisonicotinic acid
- Chemical Name: 2,3-Difluoropyridine-4-carboxylic acid
- CAS Number: 851386-31-7
- Molecular Formula: C6H3F2NO2
- Molecular Weight: 159.090
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Fluoropyridine
- Create Date: 2018-08-09 16:42:32
- Modify Date: 2025-09-16 00:00:42
| Name | 2,3-Difluoropyridine-4-carboxylic acid |
|---|---|
| Synonyms |
2,3-Difluoroisonicotinic acid
2,3-Difluoro-4-carboxypyridine 2,3-difluoroisonicotinicacid 4-Carboxy-2,3-difluoropyridine 4-PYRIDINECARBOXYLIC ACID,2,3-DIFLUORO 2,3-CYCLODODECENOPYRIDINE 2,3-difluoro-4-pyridinecarboxylic acid 4-Pyridinecarboxylic acid, 2,3-difluoro- 5,6-difluoropyridine-4-carboxylic acid |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 377.4±37.0 °C at 760 mmHg |
| Melting Point | 159-160ºC |
| Molecular Formula | C6H3F2NO2 |
| Molecular Weight | 159.090 |
| Flash Point | 182.1±26.5 °C |
| Exact Mass | 159.013184 |
| PSA | 50.19000 |
| LogP | 0.73 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.515 |
| Storage condition | 2-8°C |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302 |
| Hazard Codes | Xn |
| Risk Phrases | 22 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933399090 |
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |