| CAS No.: | 85-44 9 |
|---|---|
| Formula: | C8h4o3 |
| EINECS: | 201-607-5 |
| Type: | Synthesis Material Intermediates |
| Appearance: | Powder |
| Quality: | Industrial |
| Samples: |
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| Customization: |
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Audited Supplier Phthalic-anhydride is an organic compound, molecular formula C8H4O3, is a cyclic anhydride formed by intramolecular dehydration of phthalic acid. Phthalic-anhydride, a white solid, is an important raw material in chemical industry, especially used in plasticizer manufacturing.
| CHECK ITEM | QUALITY INDEX | RESULTS |
| APPEARANCE | WHITE NEEDLE SHAPED CRYSTALS OR FLAKE-SHAPED SRYSTALS | WHITE NEEDLE SHAPED CRYSTALS |
| Fused chroma(Chroma No.) | ≤20 | 10 |
| Chroma of therma stability(Chroma No.) | ≤40 | 30 |
| Chroma of sulphuric-acid(Chroma No.) | ≤40 | 20 |
| Free acid(Mass fraction)% | ≤0.10 | 0.028 |
| Purity% | ≥99.9 | 99.94 |
| Benzoic Acid% | ≤0.05 | 0.001 |
Phthalic-Anhydride is one of the most important organic chemical raw materials. Its main derivatives include dibutyl Phthalae, Dioctyl Ester and Diisobutyl-Phthalate, etc., used as plasticers for PVC, etc. It also can be used to produce unsaturated plyester resins, alkyd resins, dyes and pigments, various paints, food additives, phenolphthalein, a laxative in medicine, imidophos in pesticides, triazone, and sodium saccharin, etc.
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How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality.
If you just need a blank sample to check the design and paper quality, we will provide you sample for free, as long as you afford the express freight.
Can you do the design for us?
Yes. We have a professional team having rich experience in gift box design and manufacturing. Just tell us your ideas and we will help to carry out your ideas into perfect gift boxes. It does not matter if you do not have someone to complete files. Send us high resolution images, your Logo and text and tell us how you would like to arrange them. We will send you finished files for confirmation.
How long can I expect to get the sample?
After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.
What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order. The best record we keep is delivering 20,000 gift boxes within a week. Generally speaking, we suggest that you start inquiry two months before the date you would like to get the products at your country.
What is your terms of delivery?
We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the one which is the most convenient or cost effective for you.
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