4,4'-Biphenyldisulphonic acid

Names

[ Name ]:
4,4'-Biphenyldisulphonic acid

[Synonym ]:
[1,1'-Biphenyl]-4,4'-disulfonic acid
4-(4-sulfophenyl)benzenesulfonic acid
EINECS 226-169-2
MFCD00035762
4,4'-Biphenyldisulphonic acid
4,4'-Biphenyldisulfonic acid

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Melting Point ]:
143-145 °C(lit.)

[ Molecular Formula ]:
C₁₂H₁₀O₆S₂

[ Molecular Weight ]:
314.334

[ Flash Point ]:
>230 °F

[ Exact Mass ]:
313.991882

[ PSA ]:
125.50000

[ LogP ]:
0.30

[ Index of Refraction ]:
1.640

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
R22:Harmful if swallowed. R36/37/38:Irritating to eyes, respiratory system and skin . R41:Risk of serious damage to eyes.

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
2585.0

[ WGK Germany ]:
1

[ RTECS ]:
DU2800000

[ Hazard Class ]:
8.0

[ HS Code ]:
2904100000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2904100000

[ Summary ]:
2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%