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NANJING LONGXY CHEMICAL CO., LTD.

SICHUAN LONGXY NEW MATERIAL CO.LTD.

Specializing in the production of optical brighteners,
organic pigments, antioxidants

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Optical brightener OB

Type
  Optical brightener
Product name
  Optical brightener OB
Alias
  Fluorescent Brightener OB; Fluorescent brightening agent 184; Fluorescent Whitening Agent OB; Optical Brightening Agent OB; Fluorescent Brightener 184; C.I. 184; Fluorescent Brightener OB-4; Fluoresce
CAS No.
  7128-64-5
EINECS No.
  230-426-4
Structural formula
Molecular formula

C26H26N2O2S

Molecular weight
430.5618
Performance and characteristics

1, small dosage, high Whitening strength, good Whitening effects on low dosage.

2, Wide application performance, Suitable for whitening all kinds of plastic.

3, Has the good com

Scope of application

1, Especially suitable for whitening plastics such as polyolefin, polyamide, polyacrylonitrile.

2, Widely used in film, injection molding and extrusion molding material, applicable to all plastic processing.
Application methods
Recommended dosage: 100kg into 20g OB, upon your formula.
Packaging and storage
1kg can×12 carton, lined with plastic bag or upon your demand, Stored in a cool and dry place; away from light.
Technical conditions
(Technical index)
Appearance light yellow powder
Color light Blue and white (Similar to standard sample)
Purity ≥99%
Melting point 200~202℃
Fineness > 100 mesh

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