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GB/1648-84
H-acid
monosodium salt
SF:
MF:C10H8O7NS2Na
MW:341.3
Standard:GB/1648-84
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Index name
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Index
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Paste
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Powder
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| Appearance |
gray to light gray paste
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gray to light gray powder
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| Assay,% |
42  2 |
85.0 |
Alkali insoluble matter ,(100%)% |
0.2
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0.2
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| chromotropic acid disodium salt(
100%)% |
2
|
2
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| T-acid disodium salt(100%)% |
0.5
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0.5
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| Moisture,% |
-
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5
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Remark:The darker color of paste is permit.
Chemical name:1-naphthylamine -8-hydroxyl-3.6-disulfonic
acid monosodium salt
 Properties
This diluted product is blue red with fluorescent light, it has
2 form types, it is gray white, avoid insolation and freeze.
Uses:
H-acid monosodium salt are mainly used in the production of acid,
direct and reactive dyeing. Also applied in medicine.
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