ChemicalBook > CAS DataBase List > Crotonic anhydride
Crotonic anhydride
- Product Name
- Crotonic anhydride
- CAS No.
- 623-68-7
- Chemical Name
- Crotonic anhydride
- Synonyms
- Nsc97397;Wln: 2U1vov1U2;CROTONIC ANHYDRIDE;2-Butensureanhydrid;CROTONSAEUREANHYDRID;2-butenoic anhydride;Dicrotonic anhydride;Biscrotonic anhydride;crotonicacidanhydride;But-2-enoic anhydride
- CBNumber
- CB6751209
- Molecular Formula
- C8H10O3
- Formula Weight
- 154.17
- MOL File
- 623-68-7.mol
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Crotonic anhydride Property
- 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.)
- Flash point:
- 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)
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Safety
- 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
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H314Causes severe skin burns and eye damage
H400Very toxic to aquatic life
- Precautionary statements
-
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P363Wash contaminated clothing before reuse.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 8.22002
- Product name
- Crotonic anhydride
- Purity
- (mixture of cis and trans isomers) for synthesis
- Packaging
- 100mL
- Price
- $39.7
- Updated
- 2024/03/01
TCI Chemical
- Product number
- C0420
- Product name
- Crotonic Anhydride
- Purity
- >98.0%(T)
- Packaging
- 25g
- Price
- $16
- Updated
- 2024/03/01
TRC
- Product number
- C818793
- Product name
- Crotonic anhydride
- Packaging
- 1g
- Price
- $55
- Updated
- 2021/12/16
TRC
- Product number
- C818793
- Product name
- Crotonic anhydride
- Packaging
- 2.5g
- Price
- $65
- Updated
- 2021/12/16
AK Scientific
- Product number
- C949
- Product name
- Crotonicanhydride,mixtureofcisandtransisomers
- Packaging
- 25g
- Price
- $70
- Updated
- 2021/12/16
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Crotonic anhydride Chemical Properties,Usage,Production
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
Raw materials
Preparation Products
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Crotonic anhydride Suppliers
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View Lastest Price from Crotonic anhydride manufacturers
Shaanxi Dideu Medichem Co. Ltd
- Product
- Crotonic anhydride 623-68-7
- Price
- US $0.10/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 1000 tons
- Release date
- 2019-12-27
Career Henan Chemical Co
- Product
- Crotonic anhydride 623-68-7
- Price
- US $7.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2018-12-21
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