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Potassium Acetate

Identification

Synonyms: Acetic acid, potassium salt, anhydrous
CAS No.: 127-08-2
EC No.: 204-822-2
Molecular Weight: 98.15
Molecular Formula: C2H3KO2
Structural Formula: Potassium Acetate
f.p.: >250 deg C
m.p.: 292 deg C (557.6)
Solubilty in water @ 20 deg.C: 256g/100ml

Preparation

Potassium acetate can be prepared by reacting a potassium-containing base such as potassium hydroxide or potassium carbonate with acetic acid: CH3COOH + KOH → CH3COOK + H2O

Application

As a substitue to calcium (Magnesium) chloride, potassium acetate is widely applied as deicer and snow-melting agent in runways of airport and other environmentally sensitive area due to its properties of being less aggressive on soils and much less corrosive to cement and underground foundry iron pipe. Potassium acetate is also employed as additive to oil drilling fluid; food additive, extinguishing agent used in class K fire etc.

Specification*

Items Specification
Potassium acetate purity 98% min.
pH 7.5-9.5
chlorides 0.5% min.
heavy metals 0.005% max.
Calcium 0.01% max.
magnesium 0.01% max.
sulphates 0.01% max.
arsenic 0.0004% max.
appearance white agglomerate

Standard Packaging

25kg, 50lbs (22.7 kgs)/plastic woven bag

25kg bags for potassium acetate

Risks and Safety Information

Potassium acetate is not regulated by UN as hazard
For more information, please see MSDS

No hazard

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