Tobias Acid

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Tobias Acid

Yadong Chemical & Dyestuff Factory

Yadong Chemical & Dyestuff Factory Products

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Tobias Acid - Jul, 13 2009

White crystal, melting point is 272℃. Difficultly soluble in water, good solubility in hot water. Easily soluble in alkali-creating correspondence sulfonate, then coupling to lithol scarlet with 2-naphthol.
Structural Formula：

Formula Weight:223.25 Molecular formula: C10H9NO3S
Quality Standard：
Index Specification
Appearance white to pink crystal
Total amido (dry), % ≥ 98
2-Naphthylamine, % 　　≥ 0.25
Moisture, % ≥ 1.00

Appearance: white to pink crystal; Total Amido (dry) 98%min; HPLC 99%min; 2-Naphthylamine 0.25%max; Moisture 1.00%max.

Company Name :

Yadong Chemical & Dyestuff Factory

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