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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.

Product information

CAS number16090-02-1
EC number 240-245-2
HS code3204 20 00

Molecular and structural information

Molecular formulaC40H38N12Na2O8S2
Molecular weight924.91 g/mol
Smiles notationC1COCCN1C2=NC(=NC(=N2)NC3=CC(=C(C=C3)C=CC4=C(C=C(C=C4)NC5=NC(=NC(=N5)
/h1-16,25-26H,17-24H2,(H,53,54,55)(H,56,57,58) (H2,41,43,45,47,49)H2,42,44,46,48,50);;/q;2*+1/p-2/b12-11+;;
Structural formula:Optical Brightener DMS-X - CAS: 16090-02-1


Appearance:Free flowing off-white granules, no spots
CIE whiteness:Corresponds to standard ±1.5
E-value:≥ 435
Density:≥ 380 kg/m3
Triazine AAH≤0.05 %
Triazines≤0.65 %
Moisture content:≤5.0%
Iron content:≤ 35 ppm

Physicochemical information

Autoignition 303 ºC
Bulk density1.540 kg/m3 (22 ºC)
Melting point>300 ºC
Partition coefficient (log Pow)-2.09
Solubility in water1.9 g/l @ 20 ºC / pH 10.5
Vapour pressure < 0.0000000000000001 @ 20 ºC

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.

Shipment Info
Viobrite DMS-X is on stock in both Europa. Our lead time is about one week.

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

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

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

Fluorescent brightener 71: Disclaimer. This information is supplied solely for informational purposes and Vesta Intracon 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.