ANTHRACENE BROWN
- Product Name
- ANTHRACENE BROWN
- CAS No.
- 602-64-2
- Chemical Name
- ANTHRACENE BROWN
- Synonyms
- c.i.58200;Antragallol;anthragallol;alizarinebrownr;alizarinebrownhd;anthracenebrowng;anthracenebrownn;anthragallicacid;antracromobrownd;ANTHRACENE BROWN
- CBNumber
- CB4454830
- Molecular Formula
- C14H8O5
- Formula Weight
- 256.21
- MOL File
- 602-64-2.mol
ANTHRACENE BROWN Property
- 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
- RTECS
- CB8198000
N-Bromosuccinimide Price
- Product number
- 002779
- Product name
- Anthragallol
- Packaging
- 1g
- Price
- $446
- Updated
- 2021/12/16
- Product number
- A678700
- Product name
- Anthragallol
- Packaging
- 2.5g
- Price
- $1290
- Updated
- 2021/12/16
- Product number
- DYE0000139
- Product name
- ANTHRACENE BROWN
- Purity
- 95.00%
- Packaging
- 10G
- Price
- $2333.1
- Updated
- 2021/12/16
- Product number
- FA17944
- Product name
- Anthragallol
- Packaging
- 500mg
- Price
- $600
- Updated
- 2021/12/16
- Product number
- 53930
- Product name
- Anthragallol
- Packaging
- 1g
- Price
- $640
- Updated
- 2021/12/16
ANTHRACENE BROWN Chemical Properties,Usage,Production
Chemical Properties
Brown powder. Soluble in alcohol, ether, and glacial acetic acid; slightly soluble in water and chloroform. Sublimes at 290C.
Uses
Anthragallol is the most active inhibitor against xanthine oxidase.
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 | |
ANTHRACENE BROWN Preparation Products And Raw materials
Raw materials
Preparation Products
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