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2-Butenoic acid,1,1'-anhydride cas no:623-68-7

Synonyms: 2-Butenoicacid, anhydride (9CI);Crotonic anhydride (6CI,7CI,8CI);2-Butenoic anhydride;Crotonic acid anhydride;NSC 97397;Crotonic Anhydride;

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Identification
Chemical Properties
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Safety Data
Toxicity

Identification

Name2-Butenoic acid,1,1'-anhydride
CAS623-68-7
Synonyms2-Butenoicacid, anhydride (9CI);Crotonic anhydride (6CI,7CI,8CI);2-Butenoic anhydride;Crotonic acid anhydride;NSC 97397;Crotonic Anhydride;
EINECS(EC#)210-807-1
Molecular FormulaC₈H₁₀O₃
Molecular Weight154.16

Chemical Properties

refractive indexn20/D 1.473(lit.)

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass8

Safety Data

Hazard C: Corrosive;
Risk R34
Safety

Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes:
Corrosive C
Risk Statements:
R34:Causes burns.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.?
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3265 8/PG 3
WGK Germany: 3
RTECS: GQ6125000
HazardClass: 8
PackingGroup III

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	2830mg/kg (2830mg/kg)	?	American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

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Taizhou Shengyu Chemical Co., Ltd.: Tel:; Address: Room 1308-1310, Ocean Plaza,Taizhou, ZheJiang, China

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Taizhou Shengyu Dyestuff Chemical Co.,Ltd.: Tel:+86-(576)-88861016, 88861026; Address: Room 1308-1310, Ocean Plaza, Taizhou, Zhejiang 318000,

AOKChem Co., Ltd.: Tel:+86-(21)-50791030 / 68712331; Address: Room 203, Block D, No.333 Cailun Road, Zhangjiang High-tech Park, Shanghai 201203,

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Chemrio International Limited: Tel:+86-(574)-2789-1268, +86-13957895864; Address: Room 611-612 Wante Business Center, No.487 Yangmuqi Road, Hi-tech Park, Ningbo, Zhejiang 315040,

Liye Chemical Products Technology Development Co., Ltd.: Tel:+86-(310)-669-7998; Address: Han Pro Road, Handan, Hebei,

Zhejiang Taizhou Dyestuff Chemical Industry: Tel:+86-(576)-8881888, 8828079,8828188; Address: Waisha Industrial Development Zone Of Jiaojiang City, Zhejiang 318000,

Alfa Chem: Tel:+1-(516)-504-0059, 800-375-6869; Address: 2 Harbor Way, Kings Point, New York 11024,

Beijing Donghualituo Techonlogy Development Co.,Ltd.: Tel:+86-10-88425576/88425548/88425546; Address: beijing xueyuanlu 30

Depew Fine Chemical Co.,Ltd.: Tel:+86-571-87630650, 87630656, 87630657; Address: Room 202,No.317 Wantang Road,Hangzhou,China

HuaiBei SanHe Developing Co., Ltd.: Tel:86-561-3191113; Address: Room 201,Building ZY-1,GuCheng Road,Huaibei,Anhui,China

lotuschem: Tel:852-29738324; Address: Rm. 907. JCD116 Wing Tuck Commercial Centre, 177-183 Wing Lok Street, Hong Kong

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