| CAS No.: | 85-43-8 |
|---|---|
| Formula: | C8h8o3 |
| EINECS: | 201-605-4 |
|
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| Product Name: | 1,2,3,6-Tetrahydrophthalic anhydride |
| Synonyms: | Δ4-Tetrahydrophthalic anhydride;Δ4-Tetrahydrophthalic anhydride;1,2,3,6-Tetrahydro phthalic anhydride (THPA);1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-;Tetrahydrophthalsureanhydrid;1,2,3,6-tetrahydrophthalicanhydride[qr];1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis-;1,3-isobenzofurandione,3a,4,7,7a-tetrahydro-[qr] |
| CAS: | 85-43-8 |
| MF: | C8H8O3 |
| MW: | 152.15 |
| EINECS: | 201-605-4 |
| 1,2,3,6-Tetrahydrophthalic anhydride Chemical Properties |
| Melting point | 101-102°C |
| Boiling point | 195°C 5mm |
| density | 1,375 g/cm3 |
| vapor pressure | 0.021Pa at 20ºC |
| refractive index | 1.4810 (estimate) |
| Fp | 157°C |
| storage temp. | Store below +30°C. |
| solubility | soluble in DCM, Ethyl Acetate, Toluene |
| form | Solid |
| pka | 3.84[at 20 ºC] |
| color | Off-White to Light Tan |
| Water Solubility | 29.4g/L at 20ºC |
| LogP | 1.29 at 40ºC |
| CAS DataBase Reference | 85-43-8(CAS DataBase Reference) |
| EPA Substance Registry System | Tetrahydrophthalic anhydride (85-43-8) |
| Product Quality | Appearance: white flaky solid Assay: ≥99.5%; Free Acid: ≤1.0% Melting Point:: 100±2ºC Chroma (APHA): ≤30; |
Uses:
THPA is widely used in organic synthesis and is an important chemical intermediate.
It can be used to produce compounds such as anhydrides, esters, and ethers.
THPA can be used as a stabilizer, catalyst, plasticizer, dye, and raw material for polymer materials.
Packing: 25KG/composite paper bag (lined with black plastic bag)
Shipment:
Suitable for more than 500kgs. Delivery 15 to 45 days, low cost, port to port, professional forwarder needed.
Q: Do you provide samples ? Is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: How can I get the new price of a product?
A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.
Q: How to guarantee the product quality?
A: We have the quality control system ISO9001:2008, and it's been followed strictly. We also have the professional QC team, and each our package worker will be in charge of the final inspection according to the QC instruction before packing.
Q: How long is the lead time?
A: Except OEM products, generally 5-7 days for trial order, 10-20 days for mass order once deposit received.
Q: How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time.If the problem caused by us, we will send you free goods for replacement or refund your loss.
Q:Can we pay a visit to your factory?
A:You're warmly welcoming to visit our plant. And please inform us your scheduled in advance, we'll pick you up and arrange the visit for you.
Q: Do you have any experience with exporting?
A:Yes, We've been in export for 20 years more, and have a global sales network reaching all around the world.
Q: Can I use my own design package?
A:Yes, The package can be with your logo.
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