1-naphthol-3,8-disulfonic acid

[ Density]:
1.002 g/mL at 25 °C(lit.)

[ Boiling Point ]:
111 °C (0.2 mmHg)

[ Molecular Formula ]:
C₁₀H₈O₇S₂

[ Molecular Weight ]:
304.29600

[ Flash Point ]:
>230 °F

[ Exact Mass ]:
303.97100

[ PSA ]:
145.73000

[ LogP ]:
3.20040

[ Index of Refraction ]:
n20/D 1.5218(lit.)

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R34:Causes burns. R36/37:Irritating to eyes and respiratory system .

[ Safety Phrases ]:
S26-S27-S28-S36/37/39-S45

[ RIDADR ]:
UN 3265 8/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ HS Code ]:
2908999090

Click to get detail synthetic route

Precursor

DownStream

[ 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%