Riboflavin sodium phosphate is an important vitamin supplement that is essential for maintaining eye health, maintaining normal skin and mucous membranes, and supporting immune system function.

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Description

Chinese Name: Riboflavin Sodium Phosphate
Molecular Formula: C17H20N4NaO9P·2H2O
Molecular Weight: 514.36
Properties: This product is an orange-yellow crystalline powder that is almost odorless, slightly bitter, and hygroscopic. It is soluble in water and almost insoluble in ethanol, chloroform, and ether.
Uses: Food additive, food fortification function.
Storage and transportation: This product should be sealed and stored in a dry, cool, ventilated place. The requirements for transportation are the same as those for storage.

Items项目	Targets指标	Results结果
Appearance外观	Orange-yellow crystalline powder	Conform
Identification鉴别	Passes Test	Conform
Riboflavin Assay核黄素含量(w/%)	73.0～79.0	75.5
Specific optical rotation比旋光度	+37.0~+42.0	+39.4
PH	5.0~6.5	6.1
Loss on drying干燥减量(w/%)	7.5 max	5.6
Residue on ignition灼烧残渣(w/%)	25max	23.1
Free Phosphate游离磷酸(w/%)	1.0 max	0.5
Free Riboflavin游离核黄素(w/%)	6.0 max	4.0
Riboflavin Diphosphate核黄素二磷酸盐(w/%)	6.0 max	4.3
Lead铅(Pb)/(mg/kg)	2 max	<2.0