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HomeProduct name listANTHRACENE BROWN

ANTHRACENE BROWN

  • CAS NO.:602-64-2
  • Empirical Formula: C14H8O5
  • Molecular Weight: 256.21
  • MDL number: MFCD00019146
  • EINECS: 210-022-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
ANTHRACENE BROWN Structural

What is ANTHRACENE BROWN?

Chemical properties

Brown powder. Soluble in alcohol, ether, and glacial acetic acid; slightly soluble in water and chloroform. Sublimes at 290C.

The Uses of ANTHRACENE BROWN

Anthragallol is the most active inhibitor against xanthine oxidase.

What are the applications of Application

Anthracene brown is an anthracene compound

Definition

ChEBI: A trihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1, 2 and 3.

Preparation

Commonly known as ?Anthragallol. (A)3,4,5-Trihydroxybenzoic acid and Benzoic acid and sulfuric acid heated; (b) in the presence of zinc chloride, heating gallic acid and Phthalic anhydride; (c) 2-Hydroxy-1,3-dinitroanthraquinone?reduction in strong alkaline solution; (d)1,3-Diamino-2-hydroxyanthracene-9,10-dione and hydrochloric acid heated under pressure. Note: The product is a free acid state paste; powdery product is sodium

Properties and Applications

Dark brown (chrome). (Sodium salt) was dissolved in water, slightly soluble in o-chlorophenol, (free acid) is insoluble in water, salt is not soluble in acetone, ethanol, benzene, carbon tetrachloride, cellosolve, chloroform, pyridine, toluene. The free acid in concentrated sulfuric acid is brown-red, sodium salt as a brown; diluted brown flocculent precipitate the free acid, sodium salt as an amber.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 5-6 3-4 2-3 5 5 5
AATCC Dry 3,wet 5 5 2-3 5 4 5

Properties of ANTHRACENE BROWN

Melting point: 312-313°
Boiling point: 359.45°C (rough estimate)
Density  1.3683 (rough estimate)
refractive index  1.4825 (estimate)
storage temp.  Hygroscopic, Refrigerator, under inert atmosphere
solubility  DMSO (Slightly), Methanol (Slightly)
form  Solid
pka 6.70±0.20(Predicted)
color  Orange Red to Very Dark Orange
Merck  14,683
CAS DataBase Reference 602-64-2

Safety information for ANTHRACENE BROWN

Computed Descriptors for ANTHRACENE BROWN

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