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Name: Riboflavin-5-phosphate sodium

Molecular Formula: C17H20N4NaO9P

Molecular Weight: 478.33

CAS Number: 130-40-5

EINECS: 204-988-6

Characteristics: Yellow or orange yellow crystalline powder; almost odorless and taste slightly bitter; being wet-ejection, dissolves in water easily, but slightly in ethanol and hardly dissolves in chloroform or in ether.
Applications : Having the same actions as Vitamin B2, being better than Vitamin B2 is that it is earlier to dissolve in water and to be absorbed and offers a high intracorporeal usage rate.

Specification : USP30, BP2005.

Item

Specification

USP30

BP2005

Description

Orange yellow crystalline powder

Orange yellow crystalline powder

Identification

Positive

Positive

pH

5.0 ~ 6.5

5.0 ~ 6.5

Loss on drying

7.5% Max.

8.0% Max.

Specific rotation

+37.0° ~ +42.0°

+38.0° ~ +43.0°

Lumflavin

A440nm 0.025 Max.

BY6 Max.

Free riboflavin and riboflavin diphosphate

6.0% Max.

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Free phosphate(As PO4)

1.0% Max.

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Residue on ignition

25.0% Max.

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Inorganic phosphate

---

1.5% Max.

Melting point

205 ~ 209℃

 

Volatile organic impurities

Meets the requirements

---

Heavy metals

---

10ppm Max.

Assay (on dried basis)

73.0 ~ 79.0%

73.0 ~ 79.0%

Packing Size : 25 kg net fiber drum, other packing size are according to customer’s requirements.

Storage:   Stored in a dry and cool place, keep away from strong light and heat.

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