TNN food grade Cyanocobalamin 1% with mannito dcp Vitamin b12

Categories	Food additives
Brand	TNN Chemical Raw Materials Manufacturer
Update Time	Dec 22,2024

Detail Information

Product Parameter

Cyanocobalamin Pure

Test Item	Specification
Appearance	Dark red crystal or dark red crystalline
Identification A	UV: Absorption maxima at 278±1nm, 361±1nm and 550±2nm.
	A361nm/A278nm:1.70-1.90
	A361nm/A550nm:3.15-3.40
Identification B	TLC:The principal spot in the chromatogram obtained with the test solution is similar in position, colour and size to the principal spot in the chromatogram obtained with the reference solution.
Loss on drying	≤12.0%
Assay	96.0%~102.0%
Residual substances	Tptal impurities ≤3.0%
Residual solvents	Acetone≤5000ppm
Total aerobic bacteria	≤1000cfu/g
Molds、Yeasts	≤100cfu/g

Mecobalamin Pure

Test Item	Specification
Appearance	Dark red crystal or dark red crystalline
Identification	UV: Compare the spectrum with the reference spectrum ,both spectra exhibit similar intensities of absorption at the same wavelengths
	Cobalt:Meets JP requirement
Clarity and color of solution	The solution is clear and red color
Assay	98.5%-101.0%
Water	≤11.5%
Related substances	Each area of the peaks other than mecobalamin is not more than 0.5% of the peak area of mecobalamin
	The total area of the peaks other than mecobalamin is not more than 2.0%
Acetone	≤5000ppm
Total aerobic microbial amount	≤1000cfu/g