- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: (2E)-2-Butenoic anhydride
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: (2E)-2-Butenoic anhydride
- Price: ￥338.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Crotonic anhydride
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
623-68-7
623-68-7 structure
- Name: (2E)-2-Butenoic anhydride
- Chemical Name: Crotonic Anhydride
- CAS Number: 623-68-7
- Molecular Formula: C8H10O3
- Molecular Weight: 154.163
- Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitration of carboxylic anhydrides
- Create Date: 2018-07-03 11:22:22
- Modify Date: 2025-08-26 20:40:52
| Name | Crotonic Anhydride |
|---|---|
| Synonyms |
Crotonic anhydride
EINECS 210-807-1 (2E)-2-Butenoic anhydride MFCD00009286 (2E)-But-2-enoic anhydride |
| Density | 1.0±0.1 g/cm3 |
|---|---|
| Boiling Point | 247.0±9.0 °C at 760 mmHg |
| Melting Point | 72ºC |
| Molecular Formula | C8H10O3 |
| Molecular Weight | 154.163 |
| Flash Point | 110.6±0.0 °C |
| Exact Mass | 154.062988 |
| PSA | 43.37000 |
| LogP | 1.76 |
| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
| Index of Refraction | 1.465 |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
|
| Hazard Codes | C: Corrosive; |
|---|---|
| Risk Phrases | R34 |
| Safety Phrases | S26-S36/37/39-S45 |
| RIDADR | UN 3265 8/PG 3 |
| WGK Germany | 3 |
| RTECS | GQ6125000 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2916190090 |
|
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| Literature: Isobe, Toshio; Ishikawa, Tsutomu Journal of Organic Chemistry, 1999 , vol. 64, # 19 p. 6984 - 6988 |
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| Literature: DE694699 , ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 25, p. 71 |
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| Literature: US2476859 , ; |
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| Literature: American Chemical Journal, , vol. 29, p. 189 |
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| Literature: Journal of the Chemical Society, , p. 1860,1864 |
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| Literature: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series B: Physical Sciences, , vol. 53, p. 1163,1166 |
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| Literature: Chemische Berichte, , vol. 42, p. 915 Chemische Berichte, , vol. 42, p. 1854 |
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| Literature: Justus Liebigs Annalen der Chemie, , vol. 378, p. 283 |
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| Literature: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series B: Physical Sciences, , vol. 53, p. 1163,1166 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
![[(E)-1-[(E)-but-2-enoyl]oxybut-2-enyl] (E)-but-2-enoate structure](https://image.chemsrc.com/caspic/312/10141-07-8.png)
![3-[(E)-2-Butenoyl]-1,3-oxazolidin-2-one structure](https://image.chemsrc.com/caspic/126/109299-92-5.png)
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |