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142-45-0 Acetylenedicarboxylic acid

product Name Acetylenedicarboxylic acid
CAS No 142-45-0
Synonyms Butynedioic acid; Acetaylenedicarboxylic Acid; but-2-ynedioic acid; potassium 3-carboxyprop-2-ynoate; but-2-ynedioate
Molecular Formula C4O4
Molecular Weight 112.0415
InChI InChI=1/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)/p-2
EINECS 205-536-0
Molecular Structure 142-45-0 Acetylenedicarboxylic acid
Melting point 180-187℃
Boiling point 362.4°C at 760 mmHg
Flash point 187.2°C
Water solubility soluble
Vapour Pressur 3.08E-06mmHg at 25°C
Hazard Symbols  T:Toxic;
 Xi:Irritant;
Risk Codes R25:;
R36/37/38:;
Safety Description S26:;
S37/39:;
S45:;
MSDS Material Safety Data Sheet

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