High Quality Vitamin B2 Riboflavin 98% Food Grade Supplement with Best Price

• CAS No.: 83-88-5
• Formula: C17h20n4o6
• EINECS: 201-507-1
• Packaging Material: Paper
• Storage Method: Normal
• Shelf Life: 24 Months
• Model NO.: Vitamin B2 Riboflavin
• Nutrient Composition: Amino Acid
• Resource: Chemosynthesis
• The content of active substances: ＞90%
• Appearance: Orange Yellow Powder
• Assay(on The Dried Basis): 98%~102%
• Loss on Drying: ≤5.0%
• pH: 2.7~3.3
• Particle Size: 100% Passes Through 80 Mesh
• Specific Rotation: -115°~-135°
• Transport Package: 25kg Carton
• Specification: 98%
• Origin: China
• HS Code: 29363200
• Production Capacity: 7000mt/Year

Product Description

^Item	^Specification
Appearance	A yellow or orange yellow crystalline powder
Identification	Positive
Acidity or alkalinity	Check the color of the test solution after adding the respective solutions
Lumiflavin	Absorbance of the filtrate at 440nm does not exceed 0.025 (USP); not more than intense than BY6 (EP/BP)
Absorbance	0.31~0.33 A373nm/A267nm 0.36~0.39 A444nm/A267nm
Particle size	100% passes through 80 mesh sieve
Specific rotation	Between -115°and -135° (BP/EP/USP)
Loss on drying	≤ 1.5%
Heavy metals	<10ppm
Residue on ignition	≤0.3%(USP) ≤0.1%(EP/BP)
Organic volatile impurities	Method IV <467>(USP)
Assay (on dry basis)	98.0-102.0%(USP) 97.0~103.0%(EP/BP)

 

 

 

Q1: How can I get the new price of a product?
A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.

Q2: What is your terms of payment?
A: TT Transfer, CAD, L/C, All is available.

Q3: How can I get a sample?
A: We can provide free samples for your test.

Q4: Do you have MOQ ? 
A: Yes, but low MOQ for sample checking is available.

Q5: How do you garantee the quality?
A: First of all, our quality control will reduce the quality problem to near zero. When the production is finished, they'll take samples from every batch of cargo, and send to our lab for inspection. After passed the inspection, then we will arrange the delivery.

Q6: How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time. If the problem caused by us, we will send you free goods for replacement or refund your loss.