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Alfa Aesar™ Acetylenedicarboxylic acid, 97%

Chemical Identifiers

CAS 142-45-0
Molecular Formula HO2CC≡CCO2H
Formula Weight 114.06
MDL Number MFCD00004362
UN Number UN2928
Beilstein 878357
Synonym Butynedioic acid
Chemical Name or Material Acetylenedicarboxylic acid
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1873606 SDS Alfa Aesar™
A1873606
5g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1873622 SDS Alfa Aesar™
A1873622
100g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1873614 SDS Alfa Aesar™
A1873614
25g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

Description

Applications
Acetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.

Solubility
Soluble in diethyl ether and water.

Notes
Air sensitive. Store in a cool place. Incompatible with bases, alkali, reducing agents and oxidizing agents.
Description & Specifications

Chemical Identifiers

142-45-0
114.06
UN2928
Butynedioic acid
HO2CC≡CCO2H
MFCD00004362
878357
Acetylenedicarboxylic acid

Specifications

142-45-0
114.06
UN2928
Butynedioic acid
5g
Acetylenedicarboxylic acid
HO2CC≡CCO2H
MFCD00004362
878357
≈182°C (dec.)
131°C (267°F)
97%

Safety and Handling

GHS H Statement
H300-H310-H330-H314-H318
Fatal if swallowed.
Fatal in contact with skin.
Fatal if inhaled.
Causes severe skin burns and eye damage.
Causes serious eye damage.

GHS P Statement
P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P361-P405-P501a
Do not breathe dust/fume/gas/mist/vapors/spray.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Specific treatment is urgent (see label).
Rinse mouth.
Remove/Take off immediately all contaminated clothing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Danger

DOTInformation : Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLIDS, CORROSIVE, ORGANIC, N.O.S.

TSCA : TSCA

Recommended Storage : 2° to 8°C