Contact us: +91 9550333722 040 - 40102781
Structured search
India
Choose your country
Different countries will display different contents
Try our best to find the right business for you.
My chemicalbook

Welcome back!

HomeProduct name list5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

  • CAS NO.:87-03-6
  • Empirical Formula: C20H15NO8S2
  • Molecular Weight: 461.46
  • MDL number: MFCD00035713
  • EINECS: 201-719-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-11-06 15:32:58
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Structural

What is 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid?

Chemical properties

7,70 -Iminobis(4-hydroxynaphthalene-2-sulfonic acid) [87-03-6] J acid imide, di-J acid, is produced by heating the sodium salt of J acid in aqueous sodium bisulfite at 106℃ for 36 h (yield 89 %). It is used to produce C.I. Direct Reds 31 and 149, as well as C.I. Direct Violets 48, 66, and 102.

Flammability and Explosibility

Not classified

Properties of 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

Boiling point: 772.18℃[at 101 325 Pa]
Density  1.734
vapor pressure  0Pa at 25℃
pka -0.14±0.40(Predicted)
Water Solubility  36.1g/L
EPA Substance Registry System 2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy- (87-03-6)

Safety information for 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

Computed Descriptors for 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

Related products of tetrahydrofuran

You may like

  • 87-03-6 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulfonic acid 99%
    87-03-6 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulfonic acid 99%
    87-03-6
    View Details
  • 7726-95-6 Bromine 99.5% AR (4 x 500ml) 99%
    7726-95-6 Bromine 99.5% AR (4 x 500ml) 99%
    7726-95-6
    View Details
  • Formamide 99%
    Formamide 99%
    75-12-7
    View Details
  • 85-81-4 6-Methoxy-8-Nitroquinoline 99%
    85-81-4 6-Methoxy-8-Nitroquinoline 99%
    85-81-4
    View Details
  • 3-Bromo-4,5-Dihydro-1H-Benzo[B]Azepin-2(3H)-One 99%
    3-Bromo-4,5-Dihydro-1H-Benzo[B]Azepin-2(3H)-One 99%
    86499-96-9
    View Details
  • (−)-Dip-Chloride 85116-37-6 99%
    (−)-Dip-Chloride 85116-37-6 99%
    85116-37-6
    View Details
  • 29943-42-8 Tetrahydro-4H-pyran-4-one 98+
    29943-42-8 Tetrahydro-4H-pyran-4-one 98+
    29943-42-8
    View Details
  • 35320-23-1 98+
    35320-23-1 98+
    35320-23-1
    View Details
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.