4-hydroxynaphthalene-2,6-disulphonic acid

Names

[ Name ]:
4-hydroxynaphthalene-2,6-disulphonic acid

[Synonym ]:
1-Naphthol-3,7-disulfonicacid
4-Hydroxy-naphthalin-2,6-disulfonsaeure
4-hydroxy-naphthalene-2,6-disulfonic acid
EINECS 229-344-1
4-Hydroxynaphthalene-2,6-disulphonic acid

Chemical & Physical Properties

[ Density]:
1.816g/cm3

[ Molecular Formula ]:
C₁₀H₈O₇S₂

[ Molecular Weight ]:
304.29600

[ Exact Mass ]:
303.97100

[ PSA ]:
145.73000

[ LogP ]:
3.20040

[ Index of Refraction ]:
1.725

Safety Information

[ HS Code ]:
2908999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2908999090

[ Summary ]:
2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%