CAS No.: | 633-96-5 |
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Formula: | C16h13n2nao4s |
EINECS: | 211-199-0 |
Colour: | Yellow |
Appearance: | Powder |
Usage: | Leather, Paper |
Customization: |
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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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