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: 2024-11-20 11:41:24
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
Abamectin manufacturer
Jagson Colorchem Limited
1Y
Phone:+91-9879484214
Whatsapp: +91 9879484214
product: 87-03-6 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulfonic acid 99%
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