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12602

Potassium bicarbonate

puriss., meets analytical specification of Ph. Eur., BP, USP, E501, 99.5-101.0% (acidimetric)

Synonym(s):

Potassium hydrogen carbonate

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About This Item

Linear Formula:
KHCO3
CAS Number:
298-14-6
Molecular Weight:
100.12
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
329749766
EC Number:
206-059-0
Beilstein/REAXYS Number:
4535309
MDL number:
MFCD00011402
Assay:
99.5-101.0% (acidimetric)
Form:
powder or crystals
Solubility:
water: soluble(lit.)
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grade

puriss.

Quality Level

200

assay

99.5-101.0% (acidimetric)

form

powder or crystals

quality

meets analytical specification of Ph. Eur., BP, USP, E501

impurities

organic volatile impurities, complies (GC), ≤0.0005% heavy metals (as Pb), ≤0.002% ammonium (NH4)

loss

≤0.1% loss on drying, 4 h (on silica gel)

pH

8.0-8.6 (20 °C, 5%)

solubility

water: soluble(lit.)

anion traces

carbonate (K2CO3): ≤2.5%, chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤1 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg, Na: ≤300 mg/kg, Pb: ≤5 mg/kg

suitability

complies for appearance of solution

SMILES string

[K+].OC([O-])=O

InChI

1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1

InChI key

TYJJADVDDVDEDZ-UHFFFAOYSA-M

General description

Potassium bicarbonate (Potassium hydrogen carbonate) is an inexpensive, nontoxic base. It is used to regulate pH or as a reagent.

Application

Potassium bicarbonate is used:
  • In the synthesis of cyclic ammonium cation N,N-dimethyl-3,5-dimethylpiperidinium (DMDMP).
  • As a base in the preparation of glycerol carbonate and glycidol from 3-chloro-1,2-propanediol (HAL).

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flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

11 - Combustible Solids

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN5820
BCCL7493
BCCK0860
BCCH2529
BCCG6264

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