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HomeProduct name listAURINTRICARBOXYLIC ACID TRISODIUM SALT

AURINTRICARBOXYLIC ACID TRISODIUM SALT

  • CAS NO.:13186-45-3
  • Empirical Formula: C22H11Na3O9
  • Molecular Weight: 488.29
  • MDL number: MFCD00044252
  • EINECS: 236-140-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-20 16:15:45
AURINTRICARBOXYLIC ACID TRISODIUM SALT Structural

What is AURINTRICARBOXYLIC ACID TRISODIUM SALT?

Chemical properties

bordeaux to violet or black powder

Definition

ChEBI: An organic sodium salt that is the trisodium salt of 3,3'-[(3-carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methylene]bis(6-hydroxybenzoic acid).

Preparation

Formaldehyde?(or Methanol and Sodium nitrite) and 2-Hydroxybenzoic acid concentrated sulfuric acid in the reaction.

Properties and Applications

red light purple. Soluble in water for dark red, not soluble in ethanol. In concentrated sulfuric acid for brown, dilution after precipitation. Dye aqueous solution to join sodium hydroxide as brilliant brown.

Standard(cotton) Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 2-3 4-5(40℃)3(100℃)

Safety information for AURINTRICARBOXYLIC ACID TRISODIUM SALT

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