Sodium carbonate
SIGALD/13418 - puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)
Synonym: Calcined soda; Carbonic acid disodium salt; Soda ash
CAS Number: 497-19-8
Empirical Formula (Hill Notation): CNa2O3
Molecular Weight: 105.99
EC Number: 207-838-8
MDL Number: MFCD00003494
Linear Formula: Na2CO3
Product Type: Chemical
anion traces | chloride (Cl-): ≤100 mg/kg |
sulfate (SO42-): ≤50 mg/kg | |
assay | 99.5-100.5% (calc. to the dried substance) |
cation traces | As: ≤2 mg/kg |
Cu: ≤20 mg/kg | |
Fe: ≤10 mg/kg | |
Hg: ≤1 mg/kg | |
Pb: ≤4 mg/kg | |
Pb: >2 ppm | |
Zn: ≤20 mg/kg | |
form | powder or crystals |
grade | puriss. |
impurities | alkali hydroxides and bicarbonates, complies |
residual solvents | |
<5 ppm heavy metals (as Pb) | |
InChI | 1S/CH2O3.2Na/c2-1(3)4;;/h |
InChI key | CDBYLPFSWZWCQE-UHFFFAOYSA |
loss | ≤0.5% loss on drying, 300 °C |
<0.5% loss on drying, 105°C, 4hrs | |
mp | 851 °C (lit.) |
pH | 12 (25 °C, 106 g/L) |
quality | meets analytical specification of Ph. Eur., BP, NF, FCC, E500 |
Quality Level | 200 |
SMILES string | O=C(O[Na])O[Na] |
storage temp. | 15-25°C |
suitability | complies for appearance of solution |
Application: |
|
Biochem/physiol Actions: | Buffer component, may be used for the removal of peripheral membrane proteins. |
Symbol | GHS07 |
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 | 99.5-100.5% (calc. to the dried substance) |
mp | 851 °C (lit.) |
Storage Temp. | 15-25°C |
UNSPSC | 12352300 |