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| Product name: 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid CAS：90-20-0 MF：C10H9NO7S2 MW：319.31 EINECS:201-975-7 | |||||||||
90-20-0
bosschem
90-20-0
Product Description
Product name: 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid
CAS：90-20-0
MF：C10H9NO7S2
MW：319.31
EINECS:201-975-7
Specifications :
| 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) |
COA
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 | |
