Crotonic anhydride
Uses- 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
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)
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
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.
N-Bromosuccinimide Price
- Product number
- 8.22002
- Product name
- Crotonic anhydride
- Purity
- (mixture of cis and trans isomers) for synthesis
- Packaging
- 100mL
- Price
- $40.8
- Updated
- 2025/07/31
- Product number
- C0420
- Product name
- Crotonic Anhydride
- Purity
- >98.0%(T)
- Packaging
- 25g
- Price
- $16
- Updated
- 2025/07/31
- Product number
- C818793
- Product name
- Crotonic anhydride
- Packaging
- 1g
- Price
- $55
- Updated
- 2021/12/16
- Product number
- C818793
- Product name
- Crotonic anhydride
- Packaging
- 2.5g
- Price
- $65
- Updated
- 2021/12/16
- Product number
- C949
- Product name
- Crotonicanhydride,mixtureofcisandtransisomers
- Packaging
- 25g
- Price
- $70
- Updated
- 2021/12/16
Crotonic anhydride Chemical Properties,Usage,Production
Uses
Crotonic anhydride belongs to the organic chemical intermediates, is an important organic chemical raw materials, in the dyestuff industry is used as fur dyes, reactive dyestuffs intermediates; in the cosmetic industry is used as a high-grade cosmetics, such as skin creams, hair conditioners, shampoos, creams, and other additives; in the pharmaceutical industry as a pharmaceutical antimicrobial drugs, sulfonamides as raw materials for drugs. Crotonic anhydride can also be used in the preparation of butenoic acid fiber and coal dye, hair dye, color developer, epoxy resin curing agent, petroleum additives, rubber antioxidants and other synthetic.
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
Crotonic anhydride Suppliers
- Tel
- 03-36680489
- Fax
- 03-3668-0520
- Sales-JP@TCIchemicals.com
- Country
- Japan
- ProdList
- 28387
- Advantage
- 80
View Lastest Price from Crotonic anhydride manufacturers
- Product
- Crotonic anhydride 623-68-7
- Price
- US $7.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2018-12-21