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Acetylenedicarboxylic acid

Catalog No. 01090 Name Sigma Aldrich
CAS Number 142-45-0 Website http://www.sigmaaldrich.com
M. F. C4H2O4 Telephone 1-800-521-8956
M. W. 114.05628 Fax
Purity ≥94.0% (T) Email
Storage Chembase ID: 109279

SYNONYMS

Title
丁炔二酸
IUPAC name
but-2-ynedioic acid
IUPAC Traditional name
acetylenedicarboxylic acid
Synonyms
2-Butynedioic acid
乙炔二羧酸

DATABASE IDS

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

PROPERTIES

Grade purum
Linear Formula HOOCC≡CCOOH
Purity ≥94.0% (T)
Melting Point 180-187 °C (dec.)(lit.)
GHS Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H301-H315-H319-H335
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
GHS Precautionary statements P261-P301 + P310-P305 + P351 + P338
RID/ADR UN 2811 6.1/PG 3
Risk Statements 25-36/37/38
Safety Statements 26-45
Storage Temperature 2-8°C
Hazard Class 6.1
UN Number 2811
Packing Group 3
German water hazard class 3

DETAILS

REFERENCES