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Acetylenedicarboxylic acid_Molecular_structure_CAS_142-45-0)
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Acetylenedicarboxylic acid

Catalog No. A18736 Name Alfa Aesar
CAS Number 142-45-0 Website
M. F. C4H2O4 Telephone
M. W. 114.05628 Fax
Purity 97% Email
Storage Chembase ID: 109279

SYNONYMS

Title
乙炔二羧酸
IUPAC name
but-2-ynedioic acid
IUPAC Traditional name
acetylenedicarboxylic acid
Synonyms
Butynedioic acid

DATABASE IDS

CAS Number 142-45-0
MDL Number MFCD00004362
Beilstein Number 878357
EC Number 205-536-0

PROPERTIES

Purity 97%
Flash Point 131°C(267°F)
Melting Point ca 182°C dec.
GHS Pictograms GHS05
GHS Pictograms GHS06
GHS Hazard statements H300-H310-H330-H314-H318
European Hazard Symbols Toxic Toxic (T)
GHS Precautionary statements P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P361-P405-P501A
Risk Statements 23/24/25-34
Safety Statements 26-27-36/37/39-45
TSCA Listed
Hazard Class 6.1
UN Number UN2928
Packing Group II

DETAILS

REFERENCES