- Crotonic anhydride
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- $0.00 / 1kg
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2022-09-16
- CAS:623-68-7
- Min. Order: 1kg
- Purity: 98%
- Supply Ability: 1Ton
- Crotonic anhydride
-
- $0.10 / 1KG
-
2019-12-29
- CAS:623-68-7
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: 1000 tons
- Crotonic anhydride
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- $7.00 / 1kg
-
2019-07-06
- CAS: 623-68-7
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: 100kg
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| Crotonic anhydride Basic information |
Product Name: | Crotonic anhydride | Synonyms: | 2-Butenoicacid,anhydride;anhydridkyselinykrotonove;crotonicacidanhydride;CROTONIC ANHYDRIDE;2-butenoic anhydride;TRANS-2-BUTENOIC ANHYDRIDE;2-Butensureanhydrid;CROTONSAEUREANHYDRID | CAS: | 623-68-7 | MF: | C8H10O3 | MW: | 154.17 | EINECS: | 210-807-1 | Product Categories: | Pharmaceutical Intermediates | Mol File: | 623-68-7.mol | |
| Crotonic anhydride Chemical Properties |
Melting point | -20°C | Boiling point | 248 °C(lit.) | density | 1.04 g/mL at 25 °C(lit.) | vapor pressure | 1 hPa (25 °C) | refractive index | n20/D 1.473(lit.) | Fp | 231 °F | storage temp. | Store below +30°C. | solubility | soluble in Ether | form | clear liquid | color | Colorless to Light orange to Yellow | CAS DataBase Reference | 623-68-7(CAS DataBase Reference) | EPA Substance Registry System | 2-Butenoic acid, anhydride (623-68-7) |
Hazard Codes | C | Risk Statements | 34 | Safety Statements | 26-36/37/39-45 | RIDADR | UN 3265 8/PG 3 | WGK Germany | 3 | RTECS | GQ6125000 | Autoignition Temperature | 290 °C | HS Code | 2916 19 95 | HazardClass | 8 | PackingGroup | III | Hazardous Substances Data | 623-68-7(Hazardous Substances Data) | Toxicity | LD50 orally in Rabbit: 2061 mg/kg |
| Crotonic anhydride Usage And Synthesis |
Chemical Properties | Colorless to pale yellow liquid | Synthesis Reference(s) | Tetrahedron Letters, 33, p. 593, 1992 DOI: 10.1016/S0040-4039(00)92318-9 | Safety Profile | Moderately toxic by
ingestion. A skin irritant. When heated to
decomposition it emits acrid smoke and
irritating fumes. |
| Crotonic anhydride Preparation Products And Raw materials |
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