42304

Isophthalic acid

analytical standard

• Synonym(s): Benzene-1,3-dicarboxylic acid
• Linear Formula: C₆H₄-1,3-(CO₂H)₂
• CAS Number: 121-91-5
• Molecular Weight: 166.13
• Beilstein: 1909332
• EC Number: 204-506-4
• MDL number: MFCD00002516
• UNSPSC Code: 85151701
• PubChem Substance ID: 329756216
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• Assay: ≥97.0% (GC)
• autoignition temp.: 1198 °F
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• mp: 341-343 °C (lit.)
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: OC(=O)c1cccc(c1)C(O)=O
• InChI: 1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)
• InChI key: QQVIHTHCMHWDBS-UHFFFAOYSA-N

Description

General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Application

Isophthalic acid may be used as a reference standard in the analysis of isophthalic acid from PET bottles into edible oils using high performance liquid chromatography (HPLC) technique.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable