Optical brighteners are hydrophilic water-soluble compounds added to liquid and powder laundry detergents to make clothing appear whiter and brighter, and thus cleaner.
HS Code: 32042
C.A.S number: 16090-02-1
Haz class: N/A
| PARAMETERS | SPECIFICATIONS |
|---|---|
|
Chemical composition
|
Stilbene Disulfonic acid derivative
|
|
Molecular formula
|
C40H38N12O8S2Na2
|
|
Molecular weight
|
924
|
|
Physical Appearance
|
Light Yellow to Off-White Free Flowing granules
|
|
Chemical composition
|
Disodium 4,4′-bis[(4-anilino-6-morpholino-1, 3, 5- triazin-2-yl) amino] stilbene-2, 2′-disulphonate
|
|
Colour Index number
|
C.I. Fluorescent Brightener 71
|
|
CAS Number
|
16090-02-1
|
|
Bulk density
|
400-500 grams/Liter
|
|
Affinity
|
High
|
|
Insoluble Substance
|
0.5% max
|
|
E-Value
|
543.2 – 576.8
|
|
pH of 0.5 % Sol at 60ºC
|
9.0 – 10.5
|
|
Solubility (5 gm/L) at 98ºC
|
Clear to Slight Hazy Solution
|
|
Stability with alkaline peroxide
|
Good
|
|
Stability with Hydrosulphite
|
Good
|
|
Stability with Alkali
|
Good
|
|
Stability with Hard water
|
Good
|
