Potassium acetate , USP , 127-08-2

Synonym(s):
Acetic Acid, Potassium Salt, Acetic Acid;Potassium acetate;Potassium Acetate, Molecular Biology Grade - CAS 127-08-2 - Calbiochem

CAS NO.：127-08-2

Empirical Formula: C2H3KO2

Molecular Weight: 98.14

MDL number: MFCD00012458

EINECS: 204-822-2

PRODUCT Properties

• Melting point: 292 °C
• Density: 1.57 g/cm3 at 25 °C (lit.)
• refractive index: n20/D 1.370
• FEMA: 2920 | POTASSIUM ACETATE
• Flash point: >250℃
• storage temp.: room temp
• solubility: 65% soluble in water, 35% soluble in alcohol, insoluble in most oils
• pka: 4.756[at 20 ℃]
• form: Solid
• color: White to light brown
• Specific Gravity: 1.57
• Odor: Odorless
• PH Range: 7 - 9 at 98.2 g/l at 25 °C
• PH: 7.87(1 mM solution);8.33(10 mM solution);8.75(100 mM solution);9.06(1000 mM solution)
• Water Solubility: 2694 g/L (25 ºC)
• Sensitive: Hygroscopic
• Hydrolytic Sensitivity: 0: forms stable aqueous solutions
• λmax: λ: 260 nm Amax: 0.04; λ: 280 nm Amax: 0.02
• Merck: 14,7605
• BRN: 3595449
• Stability: Deliquescent. Stable. Incompatible with strong oxidizing agents.
• InChIKey: SCVFZCLFOSHCOH-UHFFFAOYSA-M
• LogP: -3.72
• CAS DataBase Reference: 127-08-2(CAS DataBase Reference)
• NIST Chemistry Reference: Potassium acetate(127-08-2)
• EPA Substance Registry System: Potassium acetate (127-08-2)

Description and Uses

Potassium acetate (CH₃CO₂K) is the potassium salt of acetic acid.

Potassium acetate is used in the manufacture of glass; as a softening agent for papers and textiles; as a dehydrating agent; and as a buffer. In medicine it is used as an expectorant and diuretic.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H303
• Precautionary statements: P270-P301+P312-P403+P233-P501c
• Safety Statements: 26-24/25
• WGK Germany: 1
• RTECS: AJ3325000
• Hazard Note: Hygroscopic
• TSCA: Yes
• HS Code: 29159000
• Toxicity: LD50 orally in rats: 3.25 g/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969)