Description and features

Viobrite DMS-X is a stilbene derivative type of optical brightener which has C40H38N12Na2O8S2 as chemical formula. This fluorescent whitener is mainly used in laundry detergents. Other applications include textiles and paper.

This product is also known as FWA-1, fluorescent whitener 71.

DMS-X is not stable towards bleaching processes and has a high affinity to cellulosic fibers. It can be used in combination with Viobrite CBS (Distyrylbiphenylsulfonate ) to achieve the optimal performance.


Europe and United States: Provided Viobrite DMS-X is on stock in our local warehouses our lead time is about one week if delivered in 200 KG steel drums.

Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

This substance (CAS: 16090-02-1) has been registered under REACH (EC) 1907/2006.

Product Identification

CAS number 16090-02-1
EC number 240-245-2
HS code 3204 20 00


Appearance Free flowing off-white granules, no spots
CIE whiteness Corresponds to standard ±1.5
E-value≥ 435
Iron content ≤ 35 ppm
Triazine AAH ≤0.05 %
Triazines ≤0.65 %


Viobrite DMS-X is being used in the production of detergents, paint and coatings.


Available packaging: 25 KG bags / 400 KG big bags / 500 KG big bags.
Other packaging is available on request.


Store this stilbene derivative brightener in a cool, dry and well-ventilated area and in line with legal requirements.
Keep Viobrite DMS-X away from heat sources and oxidizing agents.


A Material Safety Data Sheets (MSDS) is available for Viobrite DMS-X and all other products supplied by Vesta Chemicals BV.

An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

Molecular and structural information

Molecular formula C40H38N12Na2O8S2
Molecular weight 924.91 g/mol
Structural formula 16090-02-1

Physicochemical information

Autoignition 303 ºC
Bulk density 1.540 kg/m3 (22 ºC)
Melting point >300 ºC
Partition coefficient (log Pow) -2.09
Solubility in water 1.9 g/l @ 20 ºC / pH 10.5
Vapour pressure <0.0000000000000001 @ 20 ºC
Fluorescent brightener 71 | Disclaimer. This information is supplied solely for informational purposes and Vesta Chemicals bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.