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Acetylenedicarboxylic acid

Acetylenedicarboxylic acid Suppliers list
Company Name: Capot Chemical Co.,Ltd.
Tel: +86-571-85586718
Products Intro: Product Name:Acetylenedicarboxylic acid
Purity:97%(Min,HPLC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: Henan DaKen Chemical CO.,LTD.
Tel: +86-371-66670886
Products Intro: Product Name:Acetylenedicarboxylic acid
Purity:99% Package:100g,500g,1kg,5kg,10kg
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: 0371-55170693
Products Intro: CAS:142-45-0
Purity:99% Package:500G;1KG;5KG;25KG
Company Name: career henan chemical co
Tel: +86-371-86658258
Products Intro: Product Name:Acetylenedicarboxylic acid
Purity:99% Package:1KG;1USD
Company Name: Changzhou Ansciep Chemical Co., Ltd.
Tel: +86 519 86305871
Products Intro: Product Name:Acetylenedicarboxylic acid
Purity:98% Package:100g, 500g, 1kg, 25kg, 50kg, 200kg Remarks:Good quality; Large stock; Hot sale

Lastest Price from Acetylenedicarboxylic acid manufacturers

  • Acetylenedicarboxylic acid
  • US $15.00-10.00 / KG
  • 2021-08-12
  • CAS:142-45-0
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
Acetylenedicarboxylic acid Basic information
Product Name:Acetylenedicarboxylic acid
Synonyms:ACETYLENEDICARBOXYLIC ACID FREE ACID;BUTYNEDIOIC ACID ACETYLENE DICARBOXYLIC ACID 99%;Acetylenedicarboxylic acid,98%;Acetylen-dicarbonsαure;But-2-ynedioic acid;2-Butynedioate;NSC-1903;NSC-631597
Product Categories:Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Acetylenic Carboxylic Acids & Their Derivatives;Pharmaceutical Intermediates;Acetylenes
Mol File:142-45-0.mol
Acetylenedicarboxylic acid Structure
Acetylenedicarboxylic acid Chemical Properties
Melting point 180-187 °C (dec.) (lit.)
Boiling point 133.5°C (rough estimate)
density 1.1794 (rough estimate)
refractive index 1.5260 (estimate)
Fp 131 °C
storage temp. 2-8°C
pkapK1: 1.75; pK2: 4.40 (25°C)
form Crystalline Powder or Crystals
color White or cream to beige
Water Solubility soluble
BRN 878357
CAS DataBase Reference142-45-0(CAS DataBase Reference)
NIST Chemistry Reference2-Butynedioic acid(142-45-0)
EPA Substance Registry System2-Butynedioic acid (142-45-0)
Safety Information
Hazard Codes T,Xi
Risk Statements 25-36/37/38
Safety Statements 26-45-37/39
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
HazardClass 6.1
PackingGroup II
HS Code 29171990
MSDS Information
Acetylenedicarboxylic acid English
SigmaAldrich English
ACROS English
ALFA English
Acetylenedicarboxylic acid Usage And Synthesis
Chemical Propertiescream coloured to beige crystalline powder or
DefinitionChEBI: An acetylenic compound that is acetylene in which the hydrogens are replaced by carboxy groups.
Purification MethodsThe acid is soluble in Et2O and crystallises from Et2O/pet ether (m 183-183.5o), or H2O as the dihydrate which dehydrates in a desiccator over conc H2SO4 in a vacuum. The dipicrate crystallises from aqueous ether. For the mono K salt see entry in “Metal-organic Compounds”, Chapter 5. [Abbott et al. Org Synth Coll Vol II 10 1943, Huntress et al. Org Synth Coll Vol IV 329 1963, Beilstein 2 H 801, 2 I 317, 2 II 670, 2 III 1991, 2 IV 2290.]
Tag:Acetylenedicarboxylic acid(142-45-0) Related Product Information
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