- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Palmitic 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: Furo[3,4-c]pyridine-1,3-dione
- Price: ￥268.0/1g ￥4038.0/25g ￥1078.0/5g
- Purity: 97.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3,4-Pyridinedicarboxylic anhydride
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4664-08-8
4664-08-8 structure
- Name: Furo[3,4-c]pyridine-1,3-dione
- Chemical Name: Pyridine-3,4-Dicarboxylic Anhydride
- CAS Number: 4664-08-8
- Molecular Formula: C7H3NO3
- Molecular Weight: 149.104
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-07-03 10:21:22
- Modify Date: 2025-08-26 11:01:25
| Name | Pyridine-3,4-Dicarboxylic Anhydride |
|---|---|
| Synonyms |
Pyridine-3,4-dicarboxylic anhydride
3,4-Pyridinecarboxylic anhydride Furo[3,4-c]pyridine-1,3-dione MFCD00010680 |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 334.6±15.0 °C at 760 mmHg |
| Melting Point | 75-77 °C(lit.) |
| Molecular Formula | C7H3NO3 |
| Molecular Weight | 149.104 |
| Flash Point | 156.2±20.4 °C |
| Exact Mass | 149.011292 |
| PSA | 56.26000 |
| LogP | 0.11 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.623 |
| Storage condition | 2-8°C |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
|
~97%
4664-08-8 |
| Literature: Gribble, Gordon W.; Saulnier, Mark G.; Obaza-Nutaitis, Judy A.; Ketcha, Daniel M. Journal of Organic Chemistry, 1992 , vol. 57, # 22 p. 5891 - 5899 |
|
~%
4664-08-8 |
| Literature: Monatshefte fuer Chemie, , vol. 23, p. 252 |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |