Phthalic acid, 98%
Buy Phthalic acid, 98% (CAS 88-99-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.
About Phthalic acid, 98%
Zemixal supplies Phthalic acid, 98% within its pharma Intermediates & Building Blocks portfolio. For your records (Synthesis), the material is defined by CAS 88-99-3, formula C8H6O4 and molar mass 166.13 g/mol. It is described as crystalline powder.
Common uses in the lab and plant
- Dyes & pigments manufacture
- Polymer & resin production
- Reduction reactions
Safe handling
Physical constants on file: melting point 210-211 °C. No GHS classification is recorded for this item, but handle it with normal laboratory care.
Available as 500 g, 5 kg, 25 kg and 4 x 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Dyes & pigments manufacture
- Polymer & resin production
- Reduction reactions
Applications
Specifications and identifiers
| Product name | Phthalic acid, 98% |
|---|---|
| Catalogue number | ZX-007628 |
| CAS number | 88-99-3 |
| IUPAC name | phthalic acid |
| Molecular formula | C8H6O4 |
| Molar mass | 166.13 g/mol |
| Exact mass | 166.0266 |
| Grade | Synthesis |
| Purity / assay | 98% |
| Physical form | Powder |
| Appearance | Crystalline powder |
| Melting point | 210-211 °C |
| XLogP3 | 0.7 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 74.6 Ų |
| HS code | 29173930 |
| InChIKey | XNGIFLGASWRNHJ-UHFFFAOYSA-N |
| SMILES | C1=CC=C(C(=C1)C(=O)O)C(=O)O |
| PubChem CID | 1017 |
| Synonyms | 1,2-Benzenedicarboxylic acid, o-phthalic acid, benzene-1,2-dicarboxylic acid, o-dicarboxybenzene, o-benzenedicarboxylic acid, Acide phtalique, Kyselina ftalova, ortho-phthalic acid, Pathalic acid, Orthophthalic acid, Sunftal 20 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
Precautionary statements P203, P280, P318, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Phthalic acid, 98%
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Other grades with CAS 88-99-3
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- CAS
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- Formula
- C3H5C(O)(OCH2CH2)nOC(O)C3H5
- MW
- 550 g/mol
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