ANTHRARUFIN (1,5-DIHYDROXY ANTHRAQUINONE)

ANTHRARUFIN

PRODUCT IDENTIFICATION

CAS NO.

117-12-4

ANTHRARUFIN

EINECS NO.

204-175-6

FORMULA C₁₄H₈O₄

MOL WT. 240.21

H.S. CODE 2914.69

TOXICITY Ora rat LD50:5 gm/kg

SYNONYMS 1,5-Dihydroxy-anthraquinone; 1,5-Dihydroxyanthrachinon;

1,5-Dihydroxy-9,10-anthraquinone; 1,5-Dihydroxy-9,10-anthracenedione; 1,5-Dihydroxyanthra-9,10-quinone;

RAW MATERIALS

CLASSIFICATION

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

orange or red crystaline powder

MELTING POINT 280 C

BOILING POINT

SPECIFIC GRAVITY

SOLUBILITY IN WATER Slightly soluble

AUTOIGNITION

VAPOR DENSITY

NFPA RATINGS

FLASH POINT

STABILITY Stable under ordinary conditions

APPLICATIONS

Anthraquinone, a polycyclic aromatic hydrocarbon containing two opposite carbonyl groups (C=O) at 9,10 position, is yellow or light gray to gray-green crystal powder; insoluble in water. , In nature, it occurs in plants (aloe, cascara sagrada, senna, and rhubarb), fungi, lichens, and insects as a parent material for coloring of yellow, orange, red, red-brown, or violet. It is commercially produced by several ways including by oxidation of anthracene with chromic acid, the condensation of benzene and phthalic anhydride, followed by dehydration for cyclization, and diene Diels-Alder reaction. Anthraquinone is the most important quinone derivative of anthracene as the parent substance of a large class of dyes and pigments. One of the oldest mordant dye, alizarin, is the anthraquinone derivative. Anthraquinone is a starting material for the production of coloring compounds, antioxidants, and polymerization inhibitors. Its derivatives are widely used as intermediates for dyes, pigments, photographic chemicals, and paints. Anthraquinone is used in paper industry as a catalyst to increase the pulp production yield and to improves the fiber strength through reduction reaction of cellulose to carboxylic acid. Natural anthraquinones have cathartic properties. Anthraquinones derivatives are also used in manufacturing drugs. Mitoxantrone, an antineoplastic is an example. 1,5-Dihydroxy-anthraquinone, is used as an intermediate for the synthesis of indanthrene and alizarin dyestuffs. It is also used to form lakes with calcium, barium, and lead. Alizarin is 1,2-Dihydroxyanthraquinone. Chrysazin is 1,8-Dihydroxyanthraquinone. Chrysazin is called danthron when used as a cathartic. It was used as a stimulant laxative to treat constipation. But it is no longer widely used due to its potential to cause cancer. 2,6-Dihydroxyanthraquinone is called anthraflavic Acid. Dihydroxyanthraquinone molecules include:

SALES SPECIFICATION

APPEARANCE

orange or red crystaline powder

CONTENT

90.0% min

MELTING POINT

280 C

WATER 1.0% max

TRANSPORTATION

PACKING 25kgs in bag

HAZARD CLASS

UN NO.

PRICE INFORMATION