ChemicalBook Product Catalog Organic Chemistry Carboxylic acids and derivatives Carboxylic Acid Anhydrides Crotonic anhydride

Crotonic anhydride

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 Structure
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 Reference623-68-7(CAS DataBase Reference)
EPA Substance Registry System2-Butenoic acid, anhydride (623-68-7)
Safety Information
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 Temperature290 °C
HS Code 2916 19 95
HazardClass 8
PackingGroup III
Hazardous Substances Data623-68-7(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 2061 mg/kg
MSDS Information
ProviderLanguage
SigmaAldrich English
Crotonic anhydride Usage And Synthesis
Chemical PropertiesColorless to pale yellow liquid
Synthesis Reference(s)Tetrahedron Letters, 33, p. 593, 1992 DOI: 10.1016/S0040-4039(00)92318-9
Safety ProfileModerately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Crotonic anhydride Preparation Products And Raw materials
Preparation Products(N-CROTONYL)-(2R)-BORNANE-10,2-SULTAM
(4E)-3-(1-METHYLETHYLIDENE)-4-[(1-METHYL-1H-INDOL-3-YL)METHYLENE]DIHYDROFURAN-2,5-DIONE Erythromycin Estolate Acetic anhydride Maleic anhydride 3-PHENYLACRYLIC ANHYDRIDE Di-tert-butyl dicarbonate Succinic anhydride 3-ISOPROPYLIDENE-4-[1-PHENYL-ETH-(E)-YLIDENE]-DIHYDRO-FURAN-2,5-DIONE Trifluoromethanesulfonic anhydride Trimellitic Anhydride Chromium(VI) oxide (4E)-3-(1-METHYLETHYLIDENE)-4-[(1-METHYL-1H-PYRROL-2-YL)METHYLENE]DIHYDROFURAN-2,5-DIONE ABERCHROME 670 Crotonic anhydride Phthalic anhydride 3,4,5-TRIMETHOXYCINNAMIC ACID ANHYDRIDE 3-ISOPROPYLIDENE-4-[1-NAPHTHALEN-2-YL-ETH-(E)-YLIDENE]-DIHYDRO-FURAN-2,5-DIONE Isatoic Anhydride
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