Please login to your online account to display your discounted pricing

Alfa Aesar™ Acetylenedicarboxylic acid, 97%

Chemical Identifiers

Chemical Name or Material Acetylenedicarboxylic acid
CAS 142-45-0
Molecular Formula HO2CC≡CCO2H
Formula Weight 114.06g/mol
MDL Number MFCD00004362
UN Number UN2928
Beilstein 878357
Synonym Butynedioic acid
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1873606

 
alfa aesar™
A18736-06
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1873614

 
alfa aesar™
A18736-14
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1873622

 
alfa aesar™
A18736-22
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Melting Point ≈182°C (dec.)
Quantity 5g
Flash Point 131°C (267°F)
Chemical Name or Material Acetylenedicarboxylic acid
CAS 142-45-0
Assay 97%
Molecular Formula HO2CC≡CCO2H
Formula Weight 114.06g/mol
MDL Number MFCD00004362
UN Number UN2928
Beilstein 878357
Synonym Butynedioic acid
Health Hazard 1 Danger
Health Hazard 2 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.
Health Hazard 3 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.
Recommended Storage 2° to 8°C
DOT Information Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLIDS, CORROSIVE, ORGANIC, N.O.S.
TSCA TSCA

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.

Safety and Handling

Danger

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.

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.

2° to 8°C