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CAS Number 298-14-6
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Linear Formula KHCO3
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Molecular Weight 100.12
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Beilstein Registry
Number 4535309
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EC Number 206-059-0
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MDL number MFCD00011402
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PubChem Substance ID 329752450
Potassium bicarbonate (also known as potassium
hydrogen carbonate or potassium acid carbonate) is a
colorless, odorless, slightly basic, salty
substance. According to the U.S. Food and Drug Administration (FDA), potassium bicarbonate is "generally recognized as safe".
Detailed description
There is no evidence of human carcinogenicity, no adverse effects of overexposure, and an
undetermined LD50. It is among the food additives encoded by
European Union, identified by the E number E501. Physically, potassium bicarbonate occurs
as a crystal or a soft white granular powder. Potassium bicarbonate is very
rarely found in its natural form, the mineral called kalicinite.
Uses
The compound is used as a source of carbon dioxide for leavening in baking,
extinguishing fire in dry chemical fire extinguishers, acting as a reagent, and a strong buffering agent in medications.
It is used as an additive in winemaking and as a base in
foods and to regulate pH. It is a common
ingredient in club soda, where it is used
to soften the effect of effervescence.
Potassium bicarbonate is used as a fire suppression
agent ("BC dry chemical") in some dry chemical fire extinguishers, as the principal
component of the Purple-K dry chemical, and in
some applications of condensed aerosol
fire suppression. It is the only dry chemical fire suppression agent
recognized by the U.S. National Fire
Protection Association for firefighting at
airport crash rescue sites. It is about twice as effective in fire suppression
as sodium bicarbonate.[3]
Potassium bicarbonate is an effective fungicide against powdery mildew and apple scab, allowed for use in organic farming.[4][5][6][7]
Potassium bicarbonate is often found added to
bottled water to affect taste.[8]
Potassium bicarbonate has widespread use in crops,
especially for neutralizing acidic soil.
PRICE
$252.74/KG OR $114.88/IB
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