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Acetylenedicarboxylic acid cas no:142-45-0

Synonyms: Butynedioic acid; Acetaylenedicarboxylic Acid

Identification
NameAcetylenedicarboxylic acid
CAS142-45-0
SynonymsButynedioic acid; Acetaylenedicarboxylic Acid
EINECS(EC#)205-536-0
Molecular FormulaC4H2O4
Molecular Weight114.06
Chemical Properties
Appearancecream coloured to beige crystalline powder
storage temp2-8°C
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass6.1
Safety Data

Hazard T:Toxic;Xi:Irritant;
Risk R25;R36/37/38
Safety

Hazard Codes: ToxicT, IrritantXi
Risk Statements: 25-36/37/38 
R25 :Toxic if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-45-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S37/39:Wear suitable gloves and eye/face protection.
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 3
HazardClass: 6.1
PackingGroup: II
HS Code: 29171990


HS Code 29171990

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Shanghai Record Pharmaceuticals Limited Company (...
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Pfaltz & Bauer
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China Langchem Inc.
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AOPHARM
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Hebei yanxi chemical co., LTD
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Hangzhou Dayangchem Co., Ltd.
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Hangzhou J&H Chemical Co., Ltd
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Shanghai Meicheng Chemical Co., Ltd.
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Jinan Haohua Industry Co., Ltd.
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Boc Sciences
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Address: 45-16 Ramsey Road Shirley, NY 11967, USA
Jinan Haohua Industry Co., Ltd.
Tel:0086-531-58773055
Address: No.59 Gongye South RD

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