Acetylenedicarboxylic acid

CAS142-45-0

Acetylenedicarboxylic acid (CAS 142-45-0, C4H2O4) is supplied by ChemSigma for research and manufacturing, with specification, analytical methods and batch documentation available on request.

Chemical structure of Acetylenedicarboxylic acid
C4H2O4 · 114.06 g/mol
CAS No.
142-45-0
Formula
C4H2O4
Mol. weight
114.06 g/mol
Appearance
cream coloured to beige crystalline powder

Chemical Specifications

Identifiers

CAS number 142-45-0
Product name Acetylenedicarboxylic acid
Chinese name 丁炔二酸
Synonyms BUTYNEDIOIC ACID
Chinese synonyms 丁炔二酸; 2-丁炔二酸; 乙炔-1,2-二羧酸; 乙炔二羧酸; 乙炔二甲酸; 乙炔二羧酸,97%; 乙炔二羧酸/丁炔二酸; 乙炔二羧酸,2-丁炔二酸
Molecular formula C4H2O4
Molecular weight 114.06 g/mol
EC number 205-536-0

Physical and chemical properties

Appearance cream coloured to beige crystalline powder
Melting Point 180-187 ( ℃ )
Boiling Point 187.2 ( ℃ )

Applications

<P class=tgt>Purity: 98% +, dihydrate colorless crystalline. No water content ℃ 180-187 melting point (breakdown). Soluble in water, alcohol, ether, have strong acid, pharmaceutical intermediates, used in the production of the antidote two mercaptoacetic succinic acid sodium. </P>

Packaging, Storage & Transport

Available pack sizes 5kg, 1kg, 500g, 100g, 50g, 10g

Read the current safety data sheet before handling. Packaging can be adapted to the order quantity and destination.

Frequently Asked Questions

What is the CAS number of Acetylenedicarboxylic acid?

The CAS Registry Number of Acetylenedicarboxylic acid is 142-45-0. Acetylenedicarboxylic acid is also known as BUTYNEDIOIC ACID.

What is the molecular formula and molecular weight of Acetylenedicarboxylic acid?

The molecular formula of Acetylenedicarboxylic acid is C4H2O4, and its molecular weight is 114.06 g/mol.

What is Acetylenedicarboxylic acid used for?

<P class=tgt>Purity: 98% +, dihydrate colorless crystalline. No water content ℃ 180-187 melting point (breakdown). Soluble in water, alcohol, ether, have strong acid, pharmaceutical intermediates, used in the production of the antidote two mercaptoacetic succinic acid sodium. </P>

How can I request a quotation for Acetylenedicarboxylic acid?

Send an inquiry for Acetylenedicarboxylic acid (CAS 142-45-0) with the required quantity, target specification, destination country and any documentation requirements. ChemSigma will confirm availability, packaging, lead time and price.

Request a Quote for Acetylenedicarboxylic acid

Tell us the required quantity, target specification, destination country and any documentation requirements. We will confirm availability, packaging, lead time and price.

Need custom synthesis or scale-up? Our group company CKS Technology offers custom synthesis, process development and scale-up.