| CAS No.: | 633-96-5 |
|---|---|
| Formula: | C16h13n2nao4s |
| EINECS: | 211-199-0 |
| Colour: | Yellow |
| Appearance: | Powder |
| Usage: | Leather, Paper |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Acid Orange 7 for Acid-base Indicator CAS 633-96-5
| Acid Orange 7 Basic information | |
| Product Name: | Acid Orange 7 |
| CAS: | 633-96-5 |
| MF: | C16H11N2NaO4S |
| MW: | 350.32 |
| EINECS: | 211-199-0 |
| Acid Orange 7 Chemical Properties | |
| Melting point | 164°C |
| solubility | Solubility Very soluble in water; very slightly soluble in ethanol |
| pka | 8.26, 11.4(at 25ºC) |
| Colour Index | 15510 |
| form | Crystalline Powder |
| color | Green to blue |
| Odor | Odorless |
| PH Range | Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8) |
| Water Solubility | 116 g/L (30 ºC) |
| λmax | 483nm |
| Merck | 146,858 |
| BRN | 3898201 |
| Biological Applications | Cosmetics; wound dressing materials |
| Name of Item | Unit | Item of Provision | Result of Examination |
| Appearance | Orange Powder | Measure Up | |
| Shade(compare with standard) | Similar~ Slight | Similar | |
| Strength(is standard) | % | 100±3 | 100 |
| Moisture | % | ≤5.0 | 2.56 |
| Insoluble | % | ≤1.0 | 0.45 |
| Fineness(180μm residue on sieve) | % | ≤5.0 | Pass |
| Solubility 80ºC | g/L | ≥ 70 | 70 |
| Remarks | Qualified Product | ||
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Audited Supplier 
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