Riboflavin (Ph. Eur., USP) pure, pharma grade

Solubility:

0.065 g/L (H₂O)

Physical Description:

Solid

Product Code:

A6279

Product Name:

Riboflavin (Ph. Eur., USP) pure, pharma grade

Specifications:

Assay (UV, dried subst.): 98.0 - 102.0 %
α20°C/D; 0.5 %, 0.05 N NaOH, dried subst.: -115° - -135°
Identity: passes test
Loss on drying: max. 1.5 %
Sulfated ash: max. 0.1 %
A_{373 nm} / A_{267 nm}: 0.31 - 0.33
A_{444 nm} / A_{267 nm}: 0.36 - 0.39
Absorption maxima (223, 267, 373, 444 nm): passes test
Impurity A (HPLC): max. 0.025 %
Impurity B (HPLC): max. 0.20 %
Impurity C (HPLC): max. 0.20 %
Impurity D (HPLC): max. 0.20 %
Related substances impurities (total) (HPLC): max. 0.5 %
Largest unspecified impurity (HPLC): max. 0.10 %
Lumiflavin (UV): passes test

WGK:

1

Storage:

RT
protected from light

EINECS:

201-507-1

CS:

29362300

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