Sodium citrate tribasic dihydrate
SIAL/71405 - puriss. p.a., ACS reagent, ≥99.0% (NT)
Synonym: Citric acid trisodium salt dihydrate; Trisodium citrate dihydrate
CAS Number: 6132-04-3
Empirical Formula (Hill Notation): C6H5Na3O7 · 2H2O
Molecular Weight: 294.10
EC Number: 200-675-3
MDL Number: MFCD00150031
Linear Formula: HOC(COONa)(CH2COONa)2 · 2H2O
Product Type: Chemical
anion traces | chloride (Cl-): ≤10 mg/kg |
sulfate (SO42-): ≤50 mg/kg | |
assay | ≥99.0% (NT) |
cation traces | Ca: ≤50 mg/kg |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
heavy metals: ≤5 ppm (by ICP-OES) | |
K: ≤100 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
NH4+: ≤10 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
form | powder |
grade | ACS reagent |
puriss. p.a. | |
impurities | 11-13% water (KFT) |
InChI | 1S/C6H8O7.3Na.2H2O/c7-3(8 |
InChI key | NLJMYIDDQXHKNR-UHFFFAOYSA |
mp | >300 °C (lit.) |
pH | 7.0-9.0 (25 °C, 50 mg/mL in H2O) |
Quality Level | 200 |
SMILES string | O.O.[Na+].[Na+].[Na+].OC( |
solubility | water: soluble 29.4 g/L at 20 °C |
General description: | Sodium citrate tribasic dihydrate is the tribasic dihydrate sodium salt of citric acid. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (NT) |
mp | >300 °C (lit.) |
UNSPSC | 12352100 |