4-Amino-1,3-benzenedisulfonic acid

Names

[ CAS No. ]:
137-51-9

[ Name ]:
4-Amino-1,3-benzenedisulfonic acid

[Synonym ]:
EINECS 205-299-3
MFCD00035903
4-aminobenzene-1,3-disulfonic acid

Chemical & Physical Properties

[ Density]:
1.844 g/cm3

[ Molecular Formula ]:
C₆H₇NO₆S₂

[ Molecular Weight ]:
253.25300

[ Exact Mass ]:
252.97100

[ PSA ]:
151.52000

[ LogP ]:
2.50500

[ Index of Refraction ]:
1.666

MSDS

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Safety Information

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
UN3439

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

[ HS Code ]:
2921499090

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2921499090

[ Summary ]:
2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%