naphthalene-2,7-disulfonic acid

Names

[ CAS No. ]:
92-41-1

[ Name ]:
naphthalene-2,7-disulfonic acid

[Synonym ]:
EINECS 202-154-6
MFCD00035734
Naphthalene-2,7-disulphonic acid
2,7-Naphthalene disulfonic acid
Naphthalin-disulfonsaeure-(2.7)
ebert-merz a-acid
naphthalene-2,7-disulfonate
2,7-naphthalenedisulphonic acid
Naphthalin-2,7-disulfonsaeure
Naphthalene-2,7-disulfonic acid

Chemical & Physical Properties

[ Density]:
1.704 g/cm3

[ Melting Point ]:
80-84 °C(lit.)

[ Molecular Formula ]:
C₁₀H₈O₆S₂

[ Molecular Weight ]:
288.29700

[ Exact Mass ]:
287.97600

[ PSA ]:
125.50000

[ LogP ]:
3.49480

[ Index of Refraction ]:
1.695

Safety Information

[ RIDADR ]:
1759

[ Packaging Group ]:
III

[ Hazard Class ]:
8

[ 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%