Riboflavine (vitamin B2) 98%
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:83-88-5
:
Formula:C₁₇H₂₀N₄O₆
MDL Number:MFCD00005022
:376.37 g/mol
Merck Index:12,08367
Melting Pt:290 °C (dec.)
Storage Temperature:Ambient
EINECS:201-507-1
Specification Test Results
- Appearance:Yellow to orange Powder
- Infrared spectrum:Conforms
- Loss on drying:≤1.5 % (105°C)
- Sulfated ash:≤0.1 %
- Additional info:lumiflavine: passes test
- UV spectrophotometry:≥97.5 % (lambda max. 444 nm)
- Ratio of Absorbances:0.31 to 0.33 (A373/A267)
- Specific optical rotation:-115° to -135° (20°C, 589 nm) (c=0.5, 0.05 M NaOH) (within 30 min., on dried substance)
Specification Test Results
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