Sodium carbonate hydrate
SIGALD/71361 - purum p.a., ≥99.0% (calc. based on dry substance, T), 9-10 mol/mol water
Synonym: Soda
CAS Number: 24551-51-7
Empirical Formula (Hill Notation): CNa2O3 · xH2O
Molecular Weight: 105.99 (anhydrous basis)
EC Number: 207-838-8
MDL Number: MFCD00149178
Linear Formula: Na2CO3 · aq
Product Type: Chemical
anion traces | chloride (Cl-): ≤50 mg/kg |
sulfate (SO42-): ≤50 mg/kg | |
assay | ≥99.0% (calc. based on dry substance, T) |
cation traces | Ca: ≤50 mg/kg |
Cd: ≤50 mg/kg | |
Co: ≤50 mg/kg | |
Cu: ≤50 mg/kg | |
Fe: ≤50 mg/kg | |
K: ≤100 mg/kg | |
Ni: ≤50 mg/kg | |
Pb: ≤50 mg/kg | |
Zn: ≤50 mg/kg | |
form | crystals and lumps |
fine crystals | |
grade | purum p.a. |
impurities | 9-10 mol/mol water |
InChI | 1S/CH2O3.2Na.10H2O/c2-1(3 |
InChI key | XYQRXRFVKUPBQN-UHFFFAOYSA |
pH | 12 (25 °C, 143 g/L) |
SMILES string | [Na+].[Na+].[H]O[H].[H]O[ |
solubility | water: soluble 142.3 g/L at 20 °C |
Application: | Sodium carbonate decahydrate may be used to investigate the hydrolysis of poly(β-cyclodextrin-co-citric acid) (CDP, water-insoluble polymer). Polymeric hydrolysates were investigated by HPLC. |
General description: | Sodium carbonate decahydrate is a hydrated form of Na2CO3. IR spectral investigations suggest its spectra is similar to the heptahydrate form. It undergoes thermal dehydration to monohydrate form in a batch, fluidized bed reactor. |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H319 |
Precautionary statements | P264 - P280 - P305 + P351 + P338 - P337 + P313 |
Hazard Codes | Xi |
Risk Statements | 36 |
Safety Statements | 22-26 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (calc. based on dry substance, T) |
UNSPSC | 12352300 |