| Customization: | Available |
|---|---|
| Appearance: | Powder |
| MW: | 319.31 |
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Favorable price 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid on stock CAS 90-20-0
| 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid Basic information | |
| Product Name: | 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid |
| CAS: | 90-20-0 |
| MF: | C10H9NO7S2 |
| MW: | 319.31 |
| EINECS: | 201-975-7 |
| Mol File: | 90-20-0.mol |
| 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid Chemical Properties | |
| Melting point | >300 °C(lit.) |
| density | 1.6832 (rough estimate) |
| refractive index | 1.7640 (estimate) |
| pka | -0.95±0.40(Predicted) |
| CAS DataBase Reference | 90-20-0(CAS DataBase Reference) |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy- (90-20-0) |
|
Item |
Specifications |
Results |
|
Appearance |
A grayish to grayish brown powder |
Conforms |
|
Content(dry) % |
≥85 |
85.28 |
|
Purity(HPLC) % |
≥97 |
97.57 |
|
Chromotropic acid content % |
≤1.00 |
0.44 |
|
Omega Acid % |
≤0.5 |
0.07 |
|
T Acid % |
≤0.30 |
0.3 |
|
Alkali insoluble substance % |
≤0.2 |
0.08 |
|
Moisture % |
≤5.00 |
4.56 |
|
Conclusion |
Qualified |
|
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