Disodium phthalate, ROTI®Star CRM, 100 mg, glass

Disodium phthalate is a ROTI®Star CRM reference standard with CAS number 15968-01-1 and the empirical formula C₈H₄Na₂O₄. Offered as 100 mg in glass, this disodium salt of phthalic acid is intended for food analysis and related laboratory applications that require a defined phthalate identity. Its molar mass is 210,09 g/mol and its density is 1,67 g/cm³, supporting gravimetric preparation of stock and working solutions. Analytical laboratories use phthalate reference standards of this type in chromatographic methods for the identification and quantification of phthalates in food matrices. The product comes from manufacturer Carl ROTH as part of the ROTI®Star CRM range of reference standards for food analysis. The 100 mg glass presentation is practical for calibration, method development, and quality-control work where only small amounts of standard are needed. Disodium phthalate sits among other phthalate standards used in food-control workflows, providing the salt form of phthalic acid as a complementary reference substance. Typical use includes preparation of calibration series and confirmation of retention or spectral characteristics under the chosen laboratory method.

Key features

• CAS number: 15968-01-1
• Pack size: 100 mg glass
• EG nr.: 240-106-6
• Empirical formula: C₈H₄Na₂O₄
• Molar mass: 210,09 g/mol
• Storage temperature: +2 to +8 °C
• UNSPSC: 41116107
• Safety Data Sheet: