Pallets Packing | 20'FCL | 40'FCL | ||
With | Without | With | Without | |
25KG/Paper Bag
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18.5 MT
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Synonymous:Nivinic acid; 4-hydroxy-1-naphthalene sulfonic acid
Molecular Formula:C10H8O4S
Molecular Weight:224.17
CAS:84-87-7
Structure:
EINECS:201-568-4
Melting Point:170℃ decompose
Water solubility:dissolve in water
Appearance:Transparent tabular crystal to light gray powder
Uses:Azo dye intermediate
Product Introduction:
1-naphthol-4-sulfonic acid is an important intermediate for dyes and photosensitive paper. Its appearance is transparent plate-shaped crystal to light gray powder, soluble in water and hydrochloric acid. Dyes made from 1-naphthol-4-sulfonic acid include direct dyes such as C.I. direct blue 8, C.I. direct blue 120, C.I. direct blue 123, C.I. direct blue 168, and acid dyes such as acid orange, acid red, acid red, acid red and acid fast red for nylon.
Storage:
Packed in plastic woven bags lined with plastic bags, 25kgs / bag, stored in a cool, common and dry place to prevent exposure or rain.
Uses:
This product is an azo dye intermediate, which is used to manufacture direct dyes such as C.I. direct blue 8, C.I. direct blue 120, C.I. direct blue 123, C.I. direct blue 168, and acid dyes such as acid orange, acid red, acid red, acid red and acid fast red for nylon.