1,5-dihydroxy naphthalene 

CAS: 83-56-7

Formula: C₁₀H₈O₂
M.W:160.00
Specifacations: appearance: offwhite powder
Purity:98%min.
assay:95%min
insoluble matter:0.3%max.
Melting point:253¡æmin
Package:25kg per cardboard box