Optical Brightener OB | Fluorescent Brightener 184 | Cinopal 1846 | 7128-64-5

Short Description:

Optical Brightener OB is a fluorescent whitening agent with light yellow powder appearance and blue-white fluorescent colour light.

                                  

Chemical Name: Optical Brightener OB

Other Name:  Fluorescent Brightener 184

COLORCOM Code:  Cinopal 1846

C.I. No.:  184

CAS No.:   7128-64-5

EINECS No.:   230-426-4

Appearance:  Light yellow crystal powder 

Molecular Formula:  C26H26N2O2S

Synonyms:  TINOPAL OB CO | BASF


Product Detail

Product Tags


Product Name

Cinopal 1846

C.I.

184

Content (%)

99

Moleclar Weight

430.6

Appearance

Light yellow crystal powder

Melting Range

196-203°C

Reference Dosage

0.01-0.05 %

It is soluble in alkane, paraffin, mineral oil and organic solvents, with a maximum absorption wavelength of 357 nm and a maximum fluorescence emission wavelength of 435 nm. It has excellent heat resistance, high chemical stability, good light transmission and brilliant bluish whitening effects with good compatibility, and is suitable for the whitening and brightening of PVC, PS, PE, PP, ABS, POM, PMMA and other thermoplastics and thermosetting plastics, paints, inks and coatings.




  1. 1.Brilliant blueish whitening effects
  2. 2.Good compatibility in a wide range of resins
  3. 3.Excellent heat resistance
  4. 4.High chemical stability
  5. 5.For indoor use only


It can be used in thermoplastics, PVC, polystyrene, polyethylene, polypropylene, ABS and acetate, as well as in varnishes, paints, white magnetic paints and in coatings and inks. It also has a good effect on the whitening of synthetic fibres.


In 25kg drums (cardboard drums), lined with plastic bags or according to customer's requirements.


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