Product Information

Catalogue Number: 104820

General Information

CAS Number	127-08-2
EC Number	204-822-2
Grade	Ph Eur, BP, JPE, E 261
Hill Formula	C₂H₃KO₂
Chemical Formula	CH₃COOK
Molar Mass	98.15 g/mol
HS Code	2915 29 90
Structure Formula Image	Structure formula Image
Quality Level	MQ500

Physicochemical Information

Density	1.570 g/cm³
Melting Point	292 °C
pH Value	7.0 - 9 (98.2 g/l, H₂O, 25 °C)
Vapor Pressure	<0.0000001 hPa (25 °C)
Bulk Density	500 kg/m³
Solubility	2530 g/l

Toxicological Information

LD 50 Oral	LD50 Rat 3250 mg/kg

Safety Information according to GHS

Storage Class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water

Storage and Shipping Information

Storage	Store at +15°C to +25°C

Specifications

Assay (perchloric acid titration, calculated on dried substance)	99.0 - 100.5 %
Identity	passes test
Appearance of Solution	passes test
pH Value (5 %; water)	7.5 - 8.5
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.005 %
Al (Aluminium)	≤ 0.0001 %
As (Arsenic)	≤ 0.0002 %
Fe (Iron)	≤ 0.001 %
Hg (Mercury)	≤ 0.0001 %
Na (Sodium)	≤ 0.5 %
Pb (Lead)	≤ 0.0002 %
Heavy Metals (as Pb)	≤ 0.0004 %
Free Acetic Acid	≤ 0.4 %
Other Residual Solvents (ICH Q3C)	excluded by manufacturing process
Formic Acid, Formate and Other Oxidizable Impurities	≤ 0.1 %
Substances Reducing Potassium Permanganate (as HCOOH)	passes test
Loss on Drying (105 °C)	≤ 3.0 %

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).

Corresponds to Ph.Eur., BP, JPE, E261

Conforms to the purity criteria on food additives according to the current European Commission Regulation.