- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: FURO(3,4-B)PYRIDINE-5,7-DIONE
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: FURO(3,4-B)PYRIDINE-5,7-DIONE
- Price: ￥748.0/100g ￥238.0/25g ￥88.0/5g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,3-Pyridinedicarboxylic anhydride
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
699-98-9
699-98-9 structure
- Name: FURO(3,4-B)PYRIDINE-5,7-DIONE
- Chemical Name: 2,3-Pyridinedicarboxylic anhydride
- CAS Number: 699-98-9
- Molecular Formula: C7H3NO3
- Molecular Weight: 149.104
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-07-05 11:13:31
- Modify Date: 2024-01-08 19:24:11
| Name | 2,3-Pyridinedicarboxylic anhydride |
|---|---|
| Synonyms |
2,3-Pyridinedicarboxylic anhydride
FURO(3,4-B)PYRIDINE-5,7-DIONE EINECS 211-834-1 MFCD00005915 Furo[3,4-b]pyridine-5,7-dione Pyridine-2,3-dicarboxylicAnhydride |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 334.6±15.0 °C at 760 mmHg |
| Melting Point | 137-139 °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 | Room temperature. |
| 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-S36-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 3 | |
|---|---|
| DownStream 10 | |
![Pyrido[2,3-d]pyridazine-5,8-diol structure](https://image.chemsrc.com/caspic/118/4430-77-7.png)
![2,4-Dichloropyrido[3,2-d]pyrimidine structure](https://image.chemsrc.com/caspic/115/39551-54-7.png)
![Pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione structure](https://image.chemsrc.com/caspic/072/37538-68-4.png)
![5-(4-methylphenyl)-7H-pyrido[2,3-d]pyridazin-8-one structure](https://image.chemsrc.com/caspic/054/203728-96-5.png)
![5-phenylpyrido[3,2-d]oxazin-8-one structure](https://image.chemsrc.com/caspic/412/211629-98-0.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |