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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
Molecular Weight:
154.17
MDL Number:
MFCD00009286
MOL File:
623-68-7.mol
Last updated:2023-06-08 17:06:38

Crotonic anhydride 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.)
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)
EWG's Food Scores 1
FDA UNII N521PMQ949
EPA Substance Registry System 2-Butenoic acid, anhydride (623-68-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS09
Signal word  Danger
Hazard statements  H314-H400
Precautionary statements  P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
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
Toxicity LD50 orally in Rabbit: 2061 mg/kg
NFPA 704
0
3 0

Crotonic anhydride price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.22002 Crotonic anhydride (mixture of cis and trans isomers) for synthesis 623-68-7 100mL $39.7 2024-03-01 Buy
TCI Chemical C0420 Crotonic Anhydride >98.0%(T) 623-68-7 25g $16 2024-03-01 Buy
TRC C818793 Crotonic anhydride 623-68-7 1g $55 2021-12-16 Buy
TRC C818793 Crotonic anhydride 623-68-7 2.5g $65 2021-12-16 Buy
AK Scientific C949 Crotonicanhydride,mixtureofcisandtransisomers 623-68-7 25g $70 2021-12-16 Buy
Product number Packaging Price Buy
8.22002 100mL $39.7 Buy
C0420 25g $16 Buy
C818793 1g $55 Buy
C818793 2.5g $65 Buy
C949 25g $70 Buy

Crotonic anhydride Chemical Properties,Uses,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

Global( 124)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Xiamen AmoyChem Co., Ltd
+86-592-6051114 +8618959220845 sales@amoychem.com China 6387 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
Shaanxi Dideu Medichem Co. Ltd
+86-029-81148696 +8615536356810 1047@dideu.com China 3408 58
SIMAGCHEM CORP
+86-13806087780 sale@simagchem.com China 17367 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58
Dideu Industries Group Limited
+86-29-89586680 +86-15129568250 1026@dideu.com China 29220 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739 info@dycnchem.com CHINA 52867 58
Wuhan Golt Biotech Co., Ltd.
+8615389281203 maria@goltbiotech.com China 980 58

View Lastest Price from Crotonic anhydride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Crotonic anhydride pictures 2022-09-16 Crotonic anhydride
623-68-7
US $0.00-0.00 / kg 1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
Crotonic anhydride pictures 2019-12-29 Crotonic anhydride
623-68-7
US $0.10 / KG 1KG 99% 1000 tons Shaanxi Dideu Medichem Co. Ltd
	Crotonic anhydride pictures 2019-07-06 Crotonic anhydride
623-68-7
US $7.00 / kg 1kg 99% 100kg Career Henan Chemical Co
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 > CROTONIC ANHYDRIDE (MIXTURE OF CIS AND T Crotonic anhydride ISO 9001:2015 REACH 623-68-7 CH3CHCHCO2O Pharmaceutical Intermediates