Product Name:

Potassium sorbate

Synonyms:

2,4-Hexadienoic acid,

potassium salt, (E,E)-;

potassium (E,E)-hexa-2,4-dienoate

CAS RN.:

24634-61-5;590-00-1

EINECS:

246-376-1

Molecular Weight:

150.2169

Molecular Formula:

C6H7KO2

Melting Point(°C):

270°C

Water Solubility:

58.2 g/100 mL (20°C)

Item

FCCIV STANDARD

TEST RESULT

Identification

Conform To Standard

CONFORM TO STANDARD

Appearance

White Granular

White Granular

Assay

99.0 ~ 101.0%

100.06%

Free Acid (as SO4)

1%

1%

Free Alkali (as K2CO3)

1%

0.28%

Heavy Metals (as Pb)

≤ 10 Ppm

LESS THAN 10 PPM

Arsenic (as As)

≤ 3 Ppm

LESS THAN 3 PPM

Loss On Drying

≤ 1.0%

0.32%

Lead

≤ 2Ppm

NONE

Melting Point(As sorbic acid)

133.0°C-135.0°C

133.0°C-135.0°C

Mercury

≤ 1Ppm

NONE

Aldehydes

0.1%

0.1%

Organic Volatile Impurities

Meet the requirement

Meet the Requirement

Chloride(as CI)

≤0.1%

0.1%

Residual Organic Solvents

Negative

Negative

Conclusion

CONFORM TO FCCIV STANDARD