Introduction and application of CAS:118-32-1 | 2-Naphthol-6,8-disulfonic acid
It is used as a dye intermediate and is an important coupling component. It can be coupled with diazo components to produce acidic scarlet 3R, acidic complex violet 5RW, weak acid scarlet G and other dyes. It can also prepare dye intermediate γ acid.
Specification of CAS:118-32-1 | 2-Naphthol-6,8-disulfonic acid
| Item | Specification |
Boiling point: 415.13°C (roughestimate)
Density:1.7421(roughestimate)
Refractive index:1.6000(estimate)
Form: solid
Acidity coefficient (pKa):-0.33±0.40(Predicted)
color: White
Package and transportation of CAS:118-32-1 | 2-Naphthol-6,8-disulfonic acid
Package:1g,25g,100g,1kg,25kg,100kg;
Transportation: by courier/ by air/ by sea.
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