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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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Suven Life Sciences Ltd.
Tel:+91-(40)-23541142, 23543311
Address: Serene Chambers, Road No. 7, Banjara Hills, Hyderabad, Andhra Pradesh 500034,
Changzhou Qihua Chemical Co., Ltd.
Tel:+86-(519)-8331-0780
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Watson International Ltd.
Tel:+86-(512)-55117610
Address: Room 1209, Asia Pacific Plaza, Huaqiao International Business Park, Kunshan, Jiangsu 215332,
Roatak (HK) Enterprise CO., Limited
Tel:86-10-57191470
Address: Room 1007 306#, Shaoyaoju North Block, Chaoyang District, Beijing 100029, China
Intatrade Chemicals GmbH
Tel:49-3493-605464
Address: Bahnhofstr. 1
3Way Pharm Inc. (Shanghai)
Tel:86-21-51613915
Address: Room D218-219, No. 128, Xiangyin Road
Capot Chemical Co., Ltd.
Tel:86-571-85586718
Address: Joinhands Science Park, No.4028,Nanhuan Road,
Hangzhou Dayangchem Co., Ltd.
Tel:86-571-88938639
Address: 9/F Unit 2 ChangdiTorch Building, 259 #WenSan Road
Hubei Research Institute of Chemistry
Tel:+86-27-87422225
Address: No.30 Guanshan Road, Wuhan, Hubei, P. R. China
lotuschem
Tel:852-29738324
Address: Rm. 907. JCD116 Wing Tuck Commercial Centre, 177-183 Wing Lok Street, Hong Kong
Kessler Chemical, Inc.
Tel:(610)758-9602
Address: 77 West Broad Street, Unit 21A, Bethlehem, PA 18018
China Langchem Inc.
Tel:+86-(21)-58956006
Address: 514 Room, 1# Building, 88# Cailun Road, Zhangjiang High Tech Park, Shanghai 201203,
Laiwu Hehui Chemical Co.,Ltd.
Tel:+86-(531)-88772589
Address: Huashan Rd., Jinan City, Shandong 250000,
Manus Aktteva
Tel:+91-(79)-65123395
Address: 303, 3rd Floor, Royale Manor, Law Garden, Dhulia Kot Road, Ellisbridge, Ahmedabad, Gujarat 380006,
Suzhou Industrial Park Yacoo Chemical Reagent Co., Ltd.
Tel:86-512-62956016
Address: Suite 209 A3 Building 218, Xinghu Rd, Suzhou Industrial Park, SuZhou, Jiangsu 215125,

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