3,6-Dihydroxy-2,7-naphthalenedisulfonic acid synthesis
1synthesis methods
- Product Name:3,6-Dihydroxy-2,7-naphthalenedisulfonic acid
- CAS Number:23894-07-7
- Molecular formula:C10H8O8S2
- Molecular Weight:320.3
2-Hydroxynaphthalene-3,6,7- trisulfonic acid is heated with 66 % caustic soda liquor at 200 – 300℃ and the product worked up by dilution, neutralization, and salting out.
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Yield:-
Reaction Conditions:
with sulfuric acid
References:
Griess [Chemische Berichte,1880,vol. 13,p. 1959]