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Postion:Product Catalog >Chemical Reagents>Organic reagents>aliphatic ketones>Squaric acid
Squaric acid
  • Squaric acid
  • Squaric acid
  • Squaric acid
  • Squaric acid
  • Squaric acid

Squaric acid NEW

Price $50 $35 $9
Package 1kg 100kg 1000kg
Min. Order: 1kg
Supply Ability: 10 tons
Update Time: 2025-06-20

Product Details

Product Name: Squaric acid CAS No.: 2892-51-5
EC-No.: 220-761-4 Min. Order: 1kg
Purity: 0.99 Supply Ability: 10 tons
Release date: 2025/06/20

Square acid, scientific name 3, 4-dihydroxy-3-cyclobutene-1, 2-dione, is a cyclobutene derivative.

Name

3,4-Dihydroxy-3-cyclobutene-1,2-dione

EINECS220-761-4
CAS No.2892-51-5Density2.415 g/cm3
PSA74.60000LogP-0.53420
Solubilitywater: 20 g/L (30 °C)Melting Point>300 °C(lit.)
FormulaC4H2O4Boiling Point250.963 °C at 760 mmHg
Molecular Weight114.057Flash Point119.84 °C
Transport InformationN/AAppearanceWhite powder

Appearance and character: strong acid, pKl=1.5; pK2=3.5. Produces dark purple with aqueous ferric chloride. It can be oxidized by bromine and potassium permanganate and does not react with phenylhydrazine. Similar in nature to carboxylic acid, it can form salts with bases, esters, acyl chloride, amides and mixed acid anhydrides.

Solubility in water :20 G/L (30°C).

Melting point :300 °C

Flash point :190 °C

Melting point: >300 °C(lit.)

Flash point: 190 °C

Water solubility: 20 g/L (30 oC)

Article illustrationArticle illustration

Company Profile Introduction

Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.

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