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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 |
Application
1. Can be used for dyeing and direct printing of silk, wool and nylon.
2. Blending of blended fabrics: When wool and various fibers are dyed in the same bath, the nylon and silk are dyed, the silk is slightly shallow, and the cellulose fibers are slightly stained.
3. It can be used for leather dyeing and can also be used for biological dyeing. Pure products can be used as food dyes.
Packaging & Shipping
Packaging: we can pack the goods according to the requirement of the client.
Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the packaged product to direct sunlight.
Can I get samples?How to pay?
A: Yes, we can supply small free sample, you need to pay for the freight charge only.
PI will be sent firstly after our aligned products specification. Payment by T/T, Western Union,LC, are ok.
How is your MOQ?
A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is100% paid.
How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
If you still have questions, contact with us .
Our Services:
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own
shipping forwarder.
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