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Direct Yellow 48

Direct Yellow 48 Structure
Direct Yellow 48 structure
CAS No.
Chemical Name:
Direct Yellow 48
Synonyms
Direct Yellow 48;C.I.Direct Yellow 48:C.I.23660
CBNumber:
CB49703047
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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Direct Yellow 48 Chemical Properties,Uses,Production

Preparation

3,3′-Dimethylbenzidine double nitriding, and 2-Hydroxy-3-methylbenzoic acid (2 Moore) coupled.

Properties and Applications

red light yellow. Soluble in water for golden brown, and adequate soluble in alcohol. The strong sulfuric acid for purple, diluted for yellow olive. The dye solution to join strong hydrochloric acid for yellow olive, and have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation. Used for cellulose fiber dyeing, neutral and alkaline discharge is good.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 2-3 5 1-2 2

Direct Yellow 48 Preparation Products And Raw materials

Raw materials

O-Tolidine 3-Methylsalicylic acid

Preparation Products

(Direct Yellow 48)Related Search:

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Direct Yellow 48 C.I.Direct Yellow 48:C.I.23660