Trisodium citrate dihydrate is the trisodium salt of citric acid and represents a compound widely used as a buffering agent and pH regulator in various industrial and cosmetic applications. The substance is identified by CAS number 6132-04-3 and has the molecular formula C6H5Na3O7·2H2O. In the cosmetic sector, the compound is identified by the INCI name Sodium Citrate and is used as a raw material for formulations intended for acidity regulation and stabilization of preparations.
Sodium citrate is a water-soluble substance that normally appears as a white crystalline powder or colorless crystals. Due to its chemical properties and good formulation compatibility, it finds application in numerous technical and cosmetic products. Pro-Eko Srl supplies this substance within its catalog of chemical reagents and raw materials intended for laboratory, industry, and cosmetic formulation.
Chemical Data and Identification :- Chemical name: trisodium citrate dihydrate
- CAS number: 6132-04-3
- EC number (EINECS): 200-675-3
- Molecular formula: C6H5Na3O7·2H2O
- INCI name: Sodium Citrate
- Synonyms: trisodium citrate dihydrate, sodium citrate
- Commercial form: white crystalline powder or colorless crystals
Chemical-Physical Properties :- Appearance: white crystalline powder or colorless crystals
- Identification: positive
- Appearance of solution: clear and colorless
- Assay: 99.0 – 100.5 %
- Water (loss on drying): 10.0 – 13.0 %
- Sulfates: ≤150 mg/kg
- Chlorides: ≤50 mg/kg
- Oxalic acid / Oxalates: ≤100 mg/kg
- Lead: ≤1,0 mg/kg
- Arsenic: ≤1,0 mg/kg
- Mercury: ≤1,0 mg/kg
- Heavy metals: ≤5 mg/kg