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|
HS Code |
135375 |
| Name | 4,5-Difluorophthalic acid |
| Chemical Formula | C8H4F2O4 |
| Molecular Weight | 202.11 g/mol |
| Cas Number | 402-69-5 |
| Appearance | White to off-white solid |
| Melting Point | >300 °C (decomposes) |
| Solubility In Water | Slightly soluble |
| Pka1 | Approx. 1.9 |
| Pka2 | Approx. 3.5 |
| Smiles | C1=CC2=C(C(=C1F)F)C(=O)C(=O)O2 |
| Inchi | InChI=1S/C8H4F2O4/c9-3-1-2-4(10)5-6(3)7(11)8(12)13-5/h1-2H,(H,11,12) |
| Synonyms | 4,5-Difluoro-1,3-benzenedicarboxylic acid |
| Ec Number | 206-035-5 |
As an accredited 4,5-Difluorophthalic acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sigma Aldrich's 4,5-Difluorophthalic acid (25g) is supplied in a sealed amber glass bottle with a tamper-evident cap. |
| Shipping | 4,5-Difluorophthalic acid is shipped in tightly sealed, chemically-resistant containers, typically inside secondary protective packaging to prevent leaks or contamination. It is transported according to standard chemical safety guidelines, including labeling and documentation, by ground or air, complying with local, national, and international regulations for non-hazardous laboratory chemicals. |
| Storage | **4,5-Difluorophthalic acid** should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from incompatible substances such as strong bases and oxidizing agents. Protect from moisture and direct sunlight. Ensure proper labeling and follow standard laboratory chemical storage protocols. Store at room temperature unless otherwise specified by the supplier (Sigma Aldrich, Merck, TCI). |
Competitive 4,5-Difluorophthalic acid prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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