- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Furo(3,4-b)pyrazine-5,7-dione
- 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-b)pyrazine-5,7-dione
- Price: ￥288.0/25g ￥98.0/5g
- Purity: 97.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,3-Pyrazinecarboxylic anhydride
- 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: 2,3-Pyrazinecarboxylic anhydride
- 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: Furo(3,4-b)pyrazine-5,7-dione
- Price: ￥Inquiry/1kg ￥Inquiry/25kg ￥Inquiry/200kg
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Wang Jie
- Email: 3096638339@qq.com
4744-50-7
4744-50-7 structure
- Name: Furo(3,4-b)pyrazine-5,7-dione
- Chemical Name: 2,3-Pyrazinedicarboxylic anhydride
- CAS Number: 4744-50-7
- Molecular Formula: C6H2N2O3
- Molecular Weight: 150.092
- Create Date: 2018-09-29 17:43:34
- Modify Date: 2025-08-21 18:24:13
| Name | 2,3-Pyrazinedicarboxylic anhydride |
|---|---|
| Synonyms |
MFCD00179418
2,3-Pyrazinecarboxylic anhydride 2,3-Pyrazinedicarboxylic acid anhydride Pyrazine-2,3-Dicarboxylic Anhydride EINECS 225-260-4 Furo(3,4-b)pyrazine-5,7-dione Furo[3,4-b]pyrazine-5,7-dione Pyrazinedicarboxylic anhydride |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 357.3±22.0 °C at 760 mmHg |
| Melting Point | 210 °C (dec.)(lit.) |
| Molecular Formula | C6H2N2O3 |
| Molecular Weight | 150.092 |
| Flash Point | 169.9±22.3 °C |
| Exact Mass | 150.006546 |
| PSA | 69.15000 |
| LogP | -0.90 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.635 |
| 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 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
|
~96%
4744-50-7 |
| Literature: Krapcho; Maresch; Helgason; Rosner; Hacker; Spinelli; Menta; Oliva Journal of Heterocyclic Chemistry, 1993 , vol. 30, # 6 p. 1597 - 1606 |
|
~%
4744-50-7 |
| Literature: Solomons; Spoerri Journal of the American Chemical Society, 1953 , vol. 75, p. 679 Full Text View citing articles Show Details Hemmerich; Fallab Helvetica Chimica Acta, 1958 , vol. 41, p. 498,509 |
|
~%
4744-50-7 |
| Literature: Foye,W.O.; Kauffman,J.M. Chimica Therapeutica, 1967 , vol. 2, p. 462 - 466 |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |