sell H Acid

Product Description

Molecular formula: C*0H8NO7S2Na Molecular weight: **1.*0 CAS NO: ******0 Quality index: Appearance:greyish white to light grey powder H-acid monosodium salt % ≥*5.0 Content of the alkali insolubles (**0%) % ≤0.2 Allochromatic acid disodium salt(**0%) % ≤2 T-acid disodium salt(**0%) % ≤0.5 Moisture Content % ≤5 Property: Grey powder,slightly dissolves in water,can dissolve in the sodium carbonate solution.Dilute the H-acid monosodium salt will present blue and red fluorescent xxxxx with the nitrous acid will turn into the yellow crystalline diazo xxxxx with the ferric chloride presents reddish brown;it is red and purple when dissolves in the sodium carbonate solution;dark green in saline solution,apt to dissolves in hot water. Use: Mainly used in the producting acid,direct and reactive dye, also applied in medicine. Packing: Net weight *5kg iron drum or woven bag, plastic bag inner, or according to customer's enquiry. Transport: Avoid impact or rain. Storage: In cool. dry and airy place, avoid moisture.