Special Optical Brightener Agent C.I.378 For PVC

OPTICAL BRIGHTENER FP-127(C.I.378) CAS NO:40470-68-6

[Chemical name]
FLUORESCENT BRIGHTENER FP-127

[Molecular weight]418.5
[Physical properties]
Melting Range 216-222 degree
Specific Gravity(20 degree) 1.23G/cm3
Λ Max in ultra-violet range 350-355nm
Solubility (20 degree) %W/W
Water < 0.01
Acetone < 0.1
Dimethylacetamide 1.4
Chloroform 0.4
Ethylacetate < 0.1
N-Hexne < 0.01
Methanol < 0.1
Methylene chloride 0.1
[Volatility(heating rate 20degree cel/min)
Temperature(degree) Weight loss(%)
310 1.0
325 2.0
350 2.0
[C. I. NO. ] FLUORESCENT BRIGHTENER 378
[CAS No. ] 40470-68-6
[Applications]
FP is highly effective in polymersubstrates such as acrylics, thermoplastic polyurethanes, polyvinylchloride, styrene ehomo and copolymers, polyolefins, and other organicsubstrates. Main applications include synthetic fibers, plastics and plastic rubbers. Additional applications include clear varnish, pigmented varnish, paints, printing inks and synthetic leather.
[Feature]
FP features good resistance to heat, exceptional whitening properties, good light fastness and low volatility. It has a brilliant bluish greenish cast, features good compatilility in various substrates. The product is especially suitable for applications such as films and fibers.

[Appearance]
Flow free bright yellowish powder.
[Storage]
Keep in cool dry place, keep away from sunlight, Provided the usual precautions for handing chemicals are observed. Avoided dust formation and ignition sources.
[Package]
Paper drum lined with plastics bags, net weight 25KG.
[Handling&safety]
FPcan be handled in accordance with the usual rules for industrial chemicals. Avoid dust formation and ignition sources.
Dosage:
According the whitening demand to choose the dosage, following suggestion dosage:
(1) PVC: Whitening: 0.01-0.05% (10-50g/10)
Transparence: 0.0001-0.001% (0.1-1g/100kg)
(2) Polybenzene: Whitening: 0.001% (1g/100kg)
Transparence: 0.0001-0.001% (0.1-1g/100kg