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Fluorescent Brightener 393 CAS 1533-45-5

Molecular formula: C28H18N2O2
Molecular weight: 414.45
Melting Point: >300 °C(lit.)
Stability: Stable. Incompatible with strong oxidizing agents.
Flashing point: 285.1°C
Boiling point: 566.8°C at 760 mmHg
Vapour pressure: 2.79E-12mmHg at 25°C

  • 1533-45-5
  • MOSINTER
  • 1533-45-5
Product Description

Payment & Shipping Terms

Supply Capacity

Payment Terms:

T/T, WU

Production Capacity:

5000MT/year

Min. Order:

1 KG

Packing:

according to the customer's requirements 

Means of Transport:

Ocean, Air, Land

Delivery Date:

7 days

 

Fluorescent Brightener 393 CAS: 1533-45-5

Item

Index

Appearance

Yellow crystal powder

Melting point

351-353℃

Solidity content

≥98%

Fineness of grains

≤120 meshes

Fluorescent Brightener 393 absorb high energy radiation in the ultraviolet to violet region (330nm-380nm) on the part of characteristic molecules and emit lower energy radiation in blue region in visible spectrum (400nm-450nm), 

which yields the counteracting the yellowing appearance.

 

FWA should be transparent on the substrate and should not absorb the visible region of the spectrum. 

Many FWAs contain the structure of stilbene. Stilbene is an unsaturated hydrocarbon with the formula C6H5CH=CHC6H5. 

Other nucleus of FWAs are coumarin, imidazole, 1,3-diphenyl-2-pyrazolin, naphtalimid, benzoxazole and heteroaromatics.

 


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