- Min.Order :100 Kilogram
- Purity: 97%
- Payment Terms : L/C,T/T
Keywords
1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid 4-Amino-5-hydroxynaphthalene-2,7-disulphonic acid EINECS 201-975-7
Quick Details
- Appearance:Grey-white powder
- Application:Dye intermediate
- PackAge:25kg/bag
- ProductionCapacity:30|Metric Ton|Month
- Storage:Keep in a cool dry and well-ventilative area
- Transportation:EXW
Superiority:
Details:
H-acid
|
Chemical Name |
1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid |
|
Synonyms |
4-Amino-5-hydroxynaphthalene-2,7-disulphonic acid |
|
Molecular Formula |
C10H9NO7S2 |
|
Molecular Weight |
319.31 |
|
CAS No. |
90-20-0 |
|
EINECS |
201-975-7 |
|
|
|
|
Appearance |
Grey-white powder |
|
Purity |
85% min. |
|
Insoluble in alkali |
0.20% max |
|
Cromotropic acid |
1.00% max |
|
T-Acid |
0.20% max |
|
W-Acid |
0.50% max |
|
K-Acid |
0.50% max |
|
Moisture |
5.0% max |
|
Content (HPLC) |
97.0% min |
|
|
|
|
Packing |
25kg/bag |
|
Application |
Dye intermediate |
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