Riboflavin (Cas 83-88-5)

Price Range: FOB 14-60 USD/KG; Update:2021/11/1

1. Characteristics of Riboflavin

E number: E101

Formula: C17H20N4O6

Weight: 376.37g/mol


Package: 25KG/drum;

Certificate: ISO/Kosher/Halal

Specification: EP/BP/FCC/ USP

Appearance: Yellow or orange powder

Grade: Pharmaceutical/Food/Feed grade

Type: 98%, 80%

Product Categories

2. Riboflavin specification

Across Biotech supply pharmaceutical grade, food grade, feed grade riboflavin, which meets standards of EP/BP/USP/FCC.


2.1 Riboflavin 98% USP specification

Item USP
Appearance Yellow or orange-yellow crystalline


Identification Positive
Acidity or Alkalinity Check the color of the test solution

after adding the respective solutions



Absorbance of the filtrate at 440nm

does not exceed 0.025(USP)



0.31-0.33 A373nm/A267nm

0.36-0.39 A444nm/A267nm

Particla Size 100% passes through 60 mesh sieve
Specific Rotation between-115º and -135º
Loss on Drying ≤1.5%
Heavy Metals <10ppm
Residue on Ignition ≤0.3% (USP)
Organic Volatile Impurities Method IV <467>
Assay(on dried basis) 98.0%-102.0%


2.2 Riboflavin 80 feed grade specification

Item Specification
Colour Yellow or orange-yellow crystalline


Odour Weak to none
Particle structure Fine spray-dried granules
Identification Positive
Particle size 60 US mesh (min. 90% passed)
Residue on Ignition Max 5.0%
Loss on drying Max 3.0%
Assay Min 80% (by HPLC method)


3. FAQs of Riboflavin

3.1 What products of riboflavin can you offer?

We supply food grade, pharmaceutical grade 98% riboflavin and 80% riboflavin feed grade.


3.2 What standards can your riboflavin?

They meet quality requests of BP/USP/EP/FCC.


4. Documents- Riboflavin MSDS


Riboflavin 98% MSDS

Riboflavin 80% MSDS

☞ Check our inventory

ikea, warehouse, industrial-2714998.jpg

Inventory Updated 2022.5.20

1. Flavorings Items Quantity Vanillin (Julan Brand) 2,000 kgs Vanillin (Eternal Pearl Brand) 8,000 kgs 2. Preservatives Items Quantity Natamycin 50% in lactose 650 kgs

Read More »

Contact Info


Shanda Rd 160, Lixia distric, Jinan, China

Working Hours

Monday-Friday: 9:00-18:00

We're Ready, Let's Talk.