Calcium folinate CAS 1492-18-8

Appearance

White or light yellow hygroscopic powder

Identification IR

Conforms to the Reference Spectrum

Calcium salt

must give a positive reaction

Appearance of solution

Clear and colorless

PH

7.5-8.5

Residue on ignition

Ethanol

≤3.0%

Acetone

≤0.5%

Methanol

≤0.3%

Related substances

Impurity A

≤0.3%

Impurity E

≤0.3%

Impurity F

≤0.2%

Impurity I

≤0.2%

Impurity H

≤0.5%

Unknown impurities

≤0.2%

Total impurities

≤1.5%

Chloride (Cl)

≤0.5%

Water

10.0%-17.0%

Heavy metals

≤50 ppm

Calcium

7.54%-8.14%

Calcium folinate

97.0-102.0%

Total aerobic microbial count

≤1000cfu/g

Total combined yeast and mold count

≤100cfu/g

Escherichia coli

Absent/g

Salmonella

Absent/g

S.aureus

Absent/g