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12602

Potassium bicarbonate

Name: Potassium bicarbonate
Brand: SIGALD

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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Properties

grade

puriss.

Quality Segment

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 (SO₄^2-): ≤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

Description

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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Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c