VIOPHOR BBNB is a tinted OBA, specially developed for Cotton to give strong, more bluish white effect with excellent washing fastness.
1. Physical Appearance : Greenish yellow powder.
2. Chemical Constitution : Stilbene derivative.
3. C.I. No. : Brightener 24/251
4. Ionic Nature : Anionic.
5 Solubility in Water : Easily soluble in boiling soft water upto 140 grams per liter.
6. pH of 1% Aqueous Solution : 8-10
7. Shade : Bluish white
8. Application : Suitable for cellulose fabric in pad and exhaustion treatment.
9. Doses : 0.1 to 0.4 % on the weight of dry fabric.
10. Compatibility : Not compatible cationic auxiliaries.
11. Stability in the liquors : i)hypochlorite bleaching liquors – Not stable
ii)Sodium chlorite bleaching liquors – Not stable
iii)peroxide bleaching liquors – Good
iv)reductive bleaching liquors – Good (hydrosulphite-based)
v)acids-below pH-5.0 – Not stable
vi)alkali – Good
12. Stability on fabric : i)hypochlorite bleaching liquors – Good
ii)Sodium chlorite bleaching liquors – Not stable
iii)peroxide bleaching liquors – Good
iv)reductive bleaching liquors – Good (hydrosulphite-based)
v)acids – below pH-4 – Not stable
vi)alkali – Good
13. Fastness properties : i) light fastness – 3-4
ii)washing fastness in water – 4
iii)washing fastness in mech. 40*C – 5
iv)washing fastness in mech. 60*C – 4-5
v)washing fastness in mech. 95*C – 4
vi)washing fastness Sea water – 5
14. Storage stability : Stable if stored away from sunlight under roof in cool conditions.
15. Toxicology & Ecology : VIOPHOR BBNB doesn’t yield any special hazard when used for the recommended applications provided the usual preliminary safety and hygiene rules for handling chemicals are observed.
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The information given in this data sheet corresponds to the experience so far gained in plat and laboratory. It can be used for reference purpose only. We are not responsible for any unexpected results caused by it.