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.
Availability
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 |
Specification
| Appearance | Free flowing off-white granules, no spots |
| CIE whiteness | Corresponds to standard ±1.5 |
| E-value | ≥ 435 |
| Iron content | ≤ 35 ppm |
| Moisture | ≤5.0% |
| Triazine AAH | ≤0.05 % |
| Triazines | ≤0.65 % |
Application
Viobrite DMS-X is being used in the production of detergents, paint and coatings.
Packaging
Available packaging: 25 KG bags / 400 KG big bags / 500 KG big bags.
Other packaging is available on request.
Storage
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.
MSDS
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 |
| InChi key | VUJGKADZTYCLIL-YHPRVSEPSA-L |
| Structural formula |  |
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 |