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Optical Whitening Agent |
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SAFETY DATA SHEET |
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APPEARANCE: |
Clear
brownish yellow liquid |
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COMPOSITION: |
Aqueous solution of stilbene triazine
optical brightening agent with an alkaline reaction. (pH
8-9) |
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STORAGE: |
OBTEX-SI LQ may be stored under extremes
of ambient temperature without hazard. |
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FIRE
FIGHTING: |
OBTEX- SI LQ itself will not support
combustion. In the event of a fire, carbon dioxide, dry
chemical or water spray may all be used without hazard. |
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ORAL
TOXICITY: |
OBTEX-
SI LQ has a fairly low order of Oral toxicity. |
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SKIN
EFFECTS: |
OBTEX- SI LQ has an alkaline reaction and
therefore may cause mild skin irritation. If the
material is spilt on the skin, wash thoroughly with
water. If the liquid splashes into the eye irrigate for
15 minutes with water and seek medical advice. |
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SPLASHES IN THE EYE: |
OBTEX-
SI LQ will irritate the eye. If the liquid gets into the
eye
Irrigate for 15 minutes with water or
seek medical advice. |
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SPILLAGE: |
Spilled SI LQ should be rinsed be away with plentiful
amount of Water |
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HYGIENE: |
Although OBTEX – SI LQ is relatively innocuous, we
recommend as with all chemicals that in handling, good
standard of housekeeping and persona hygiene are
practiced. |
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The
information and recommendations contained in this data
sheet are to the best of our knowledge correct, but no
guarantee is given in this respect and responsibility
can be accepted for the results obtained. |
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OBTEX- 2B |
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GENERAL PROPERTIES: |
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C.I. No.: |
24 |
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EMPIRICAL FORMULA: |
C40S4N12O16H42 |
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MOLECULAR WEIGHT: |
1074 G/M |
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APPEARANCE: |
Greenish yellow colour fine powder |
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CHARACTER: |
Anionic |
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SOLUBILITY: |
easily soluble in lukewarm light
water giving a
Clear faintly fluorescent blue colored solution. |
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pH(1% aqueous soln): |
7.0-8.0 |
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SHADE: |
Bluish white |
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STABILITY |
the powder is
indefinitely stable when stored in a cool and dry place
chlorine, acid alkali, perspiration and heat. |
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RESISTANCE: |
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HYDROGEN PEROXIDE: |
Very Good |
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SODIUM CHLORIDE |
Moderate |
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CHLORINE pH 11 |
Fairly
good |
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ALKALI |
Very Good |
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APPLICATION |
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BRIGHTNER 24 gives excellent results in a wide range of
application available in various concentrations as shown
below: |
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OBTEX 2BA
50%
OBTEX
2B 100%
OBTEX 2B CONC.
200% |
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The
quantities recommended in this pamphlet are for use of
OBTEX @B and for other concentration they should be
strength wise adjusted. |
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Recommendations are given according to our best
knowledge and belief but without guarantee |
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APPLICATIONS IN TEXTILES |
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IN
OPEN VAT : The material is treated for 20-30 minutes at
room temperature in liquor containing 0.05-0.2%. OBTEX
2B calculated on weight of the material. Its is
advisable to add 5-10gms per litre anhydrous Glaubers
salt recommended for better exhaustion. |
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ON
JIGGER AND WINCH DYEING MACHINE
The material is treated for about 4 ends on jigger or
20-30 minutes on winch dyeing machine at room
temperature in a bath containing 0.05-0.3% OBTEX 2b. An
addition of 5gms/litre Anhydrous Glauber salt
recommended for bette3r exhaustion. |
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PADDING
The material is padded with solution of 0.5-4gms per
litre OBTEX 2B at room temperature. The concentration of
solution depends upon the nature of the fabric and
degree of whiteness required. It is advisable to
maintain the level of the solution in the trough of
padding mangle, to avoid tailing effect. |
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FINISHING PROCESS
It is recommended to use 1-4gms OBTEX 2B per kilo of
finishing mixture. |
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OBTEX BSU LQ
(In textile) |
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OBTEX BSU LQ is very low
affinity optical brightener, particularly suitable for
natural and regenerated fibres and textiles made from
blends of cellulose and synthetic fibres particularly
suitable resin finishing.
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PROPERTIES:- |
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Chemistry: |
Derivative of stilbene disulphonic acid |
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Appearance: |
Yellowish colored liquid |
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Ionic
nature: |
Anionic |
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Sp.
Gravity: |
1.18-1.20 |
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Shade:
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Reddish white |
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Solubility: |
Miscible is water in all proportions |
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Storage stability: |
18
months in a closed container at room temp |
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STABILITY:- |
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IN SOLUTION |
ON THE FIBRE |
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Peroxide |
Good |
Good |
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Hydrosulphite |
Good |
Good |
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Chlorine |
Not stable |
Stable |
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Acids |
Good |
Good |
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Alkalis |
Good |
Good |
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Resin |
Excellent up to 1.0 |
Good |
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FASTNESS:- |
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Light |
3-4 |
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Washing |
3-4 |
