J Acid (2-Amino-5-naphthol-7-sulfonic acid) Seller, Supplier, Exporter, Manufacturer, Factory

J Acid (2-Amino-5-naphthol-7-sulfonic acid)
Tianjin Yadong Chemical & Dyestuff Factory
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J Acid (2-Amino-5-naphthol-7-sulfonic acid)

The dry of J-acid is grey powder, difficultly soluble in water. Easily soluble alkali-creating correspondence salt. The liquid of its’ sodium salt is blue fluorescence. It’s the chlorine compound of J acid is acicular yellow crystal, soluble in water, can be coupled to purple dyes by itself when in the sodium carbonate solution.
Quality Standard:
Index Specification
Appearance grey to light brown powder
Content(J acid) % >= 90.0
Purity(HPLC) % >= 97.0
Γ Acid- Calculation by 100% J acid % <= 2.5
Bis J Acid- Calculation by 100% J acid % <= 0.5
Usage: J acid is one of the important dyestuff intermediates. It is used for production many dyes as the material, such as direct copper blue 151, direct scarlet 23, reactive Brown K3R, carbonyl-j-acid and Bis-J-Acid etc.


2-Amino-1-naphthalenesulfonic acid	Liquid Brown for paper	Direct GREEN 26(C. I. Direct NO.26)

Direct Blue 199(C. I. Direct NO.199)	Direct Scarlet 23 (C. I. Direct NO.23)	Direct Fast Black 22 (C. I. Direct NO.22)

Direct Fast Black 19 (C. I. Direct NO.19)

Related Searches :	sulfonic acid
Country Of Origin :	China
Listing Type :	Sell
Terms Of Payment :	TT or L/C
Minimum Order Quantity :	unlimited
Lead Time :	immediate
Contact :	Lydia Zhao
Address :	Donghetong, Dagang District Tianjin, Tianjin, 300273 China
Telephone :	[86] (22) 63130875
Fax :	[86] (22) 63131148