2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid synthesis

4synthesis methods

Product Name:2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid
CAS Number:6535-70-2
Molecular formula:C10H9NO7S2
Molecular Weight:319.31

2-Aminonaphthalene-1,5,7-trisulfonic acid is heated with sodium hydroxide liquor at 170℃ and worked up in a similar way to the K acid. Alternatively, J acid may be sulfonated with 65 % oleum.

117-62-4
203 suppliers
$19.00/250mg

2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid

6535-70-2
87 suppliers
$95.00/1 g

Yield:-

Steps:

Multi-step reaction with 2 steps
1: sulfuric acid

References:

Bayer & Co. DE80878, 1800, C [Fortschr. Teerfarbenfabr. Verw. Industriezweige,vol. 4,p. 578][Fortschr. Teerfarbenfabr. Verw. Industriezweige,vol. 4,p. 578]

6-aminonaphthalene-1,3,5-trisulphonic acid

55524-84-0
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6535-70-2
87 suppliers
$95.00/1 g

References

81-05-0 Synthesis

81-05-0
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$11.00/5g

6535-70-2
87 suppliers
$95.00/1 g

References

118-33-2
103 suppliers
$23.00/1g

6535-70-2
87 suppliers
$95.00/1 g

References

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