1, 5- dihydroxynaphthalene is an important intermediate of acid medium black 9, and is also widely used in the production of other dyes. The intermediate was prepared from fine naphthalene by sulfonation and alkali fusion.
English Name :1,5-Dihydroxynaphthalene
C.I. 76625; CI 76625; 1, 5 - Naphthalenediol; 1, 5 - dihydroxy naphthalene. Naphthalene, 1, 5 - diol
CAS no. : 83-56-7
Sub-formula: C10H8O2
Sub-quantity: 160.17
Melting point: 265 ° C
Specific gravity: 1.33
Appearance: off-white or beige powder
Uses: used in organic synthesis, dye intermediates, pharmaceutical intermediates, photography industry.