Acid Orange 10 CAS 1936-15-8

CAS: 1936-15-8

Molecular Formula: C16H10N2Na2O7S2

Molecular Weight: 452.36

EINECS: 217-705-6

Synonyms: 1370orange; 1-phenylazo-2-naphthol-6,8-disulphonicacid,disodiumsalt; 7-hydroxy-8-(phenylazo)-1,3-naphthalenedisulphonicacid,disodiumsalt; disodium7-hydroxy-8-phenylazonaphthalene-1,3-disulphonate; OrangeG(CI16230); ORANGEGSODIUM

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What is Acid Orange 10 CAS 1936-15-8?

In case of concentrated sulfuric Acid is yellowish Orange, it is yellow after dilution, in case of concentrated nitric acid is wine red solution, and then becomes orange. Its aqueous solution is yellow-orange in the presence of concentrated hydrochloric acid. Its aqueous solution is orange-brown in the presence of concentrated sodium hydroxide. Soluble in water is orange, slightly soluble in ethanol is golden orange, soluble in lysofibrin, insoluble in other organic solvents.

Specification

Item	Specification
Appearance	Orange Powder
Purity	100%
Water Content	2.15%
Insoluble Matter in Water	0.13%
Melting point	141 °C
Density	0.80 g/mL at 20 °C

Application

Acid Orange 10 is used for dyeing silk and woolen fabrics, as well as for dyeing paper and making inks, coloring wood products and making pencils. Acid Orange 10 is also used for biological coloring. Acid-base indicator, biological stain. Acid Orange 10 is used for Mallory's connective tissue staining, etc. Acid Orange 10 for acid-base indicator, pH color range 11.5(yellow) ~ 14.0(orange red); Acid Orange 10 is used for biological staining.