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Direct Yellow 20

Direct Yellow 20 Structure
Direct Yellow 20 structure
CAS No.
Chemical Name:
Direct Yellow 20
Synonyms
Direct Yellow 20;C.I.Direct Yellow 20:C.I.22410
CBNumber:
CB89703045
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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Direct Yellow 20 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxy-3-methylbenzoic acid (2 Moore) coupled.

Properties and Applications

yellow. Soluble in water for yellow, slightly soluble in benzene, carbon tetrachloride, soluble fiber element and ethanol. The strong sulfuric acid to red light purple, diluted purple for blue-ray, and then a green light yellow precipitation produce; In nitric acid partly dissolved for red light purple, and then into a brown. The dye solution to join strong hydrochloric acid for yellow brown, have precipitation; Add thick sodium hydroxide solution for red light yellow, precipitation. Used for cellulose fiber, silk, wool, polyamide fiber dyeing, leather color. Exhaust dyeing good, good levelness.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 2 3 3 3
AATCC 2 2 3 2 4

Direct Yellow 20 Preparation Products And Raw materials

Raw materials

Benzidine 3-Methylsalicylic acid

Preparation Products

(Direct Yellow 20)Related Search:

Direct Yellow 19 Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt Direct Yellow 24 Direct Yellow 176 C.I. Direct Yellow 21
DIRECT YELLOW 2 Direct Yellow 173 sodium 6-methyl-2'-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl][2,6'-bibenzothiazole]-7-sulphonate 6-Benzothiazolecarboxylic acid, 2-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl]-7-sulfo-, disodium salt

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C.I.Direct Yellow 20:C.I.22410 Direct Yellow 20