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

Americas 1 China 83 Europe 2 Germany 4 India 6 Italy 1 Japan 1 Turkey 1 United Kingdom 3 United States 23 Global 125

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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

623-68-7, Crotonic anhydrideRelated Search:

Phthalic anhydride CIS-BUTENEDIOIC ANHYDRIDE Trifluoromethanesulfonic anhydride Chromium(VI) oxide Trimellitic Anhydride Di-tert-butyl dicarbonate Succinic anhydride Isatoic Anhydride Erythromycin Estolate Acetic anhydride 3-PHENYLACRYLIC ANHYDRIDE CROTONIC ANHYDRIDE, 95%, PREDOMINANTLY T RANS Crotonic acid ABERCHROME 670 TIGLIC ANHYDRIDE Crotonic anhydride 3,4,5-TRIMETHOXYCINNAMIC ACID ANHYDRIDE TOSLAB 97311

2-Butenoicacid,anhydride

anhydridkyselinykrotonove

crotonicacidanhydride

CROTONIC ANHYDRIDE

2-butenoic anhydride

TRANS-2-BUTENOIC ANHYDRIDE

2-Butensureanhydrid

CROTONSAEUREANHYDRID

trans-crotonic acid anhydride

Bis[(E)-2-butenoic acid]anhydride

Biscrotonic anhydride

Dicrotonic anhydride

Bis(2-butenoic)anhydride

Di(2-butenoic)anhydride

Nsc97397

Wln: 2U1vov1U2

But-2-enoic anhydride

Crotonic anhydride, 2-Butenoic anhydride

(E)-but-2-enoic anhydride

2-Butenoic acid,1,1'-anhydride

(E)-2-butenoic acid [(E)-1-oxobut-2-enyl] ester

(2E)-2-Butenoic anhydride

Crotonic Anhydride &gt

CROTONIC ANHYDRIDE (MIXTURE OF CIS AND T

Crotonic anhydride ISO 9001：2015 REACH

623-68-7

CH3CHCHCO2O

Pharmaceutical Intermediates