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Optical Brighteners Ob 1 Ci184 - China

price: contact company for price

OB-1 is used widely in the plastic market. Because of its excellent

brightening ability, good thermal stability, and compatibility with

many polymers.

Key words: optical brightening agent OB-1, optical brightener OB-1, fluorescent brightener OB-1, optical whitening agent OB-1, brightener OB-1

Typical Properties:

Chemical name: 2, 2-(1, 2-Ethenediyldi-4, 1-phenylene) bisbenzoxazole

Molecular weight: 414.4

CAS No.: 1533-45-5

C.I.: 393


Ash % 0.3max

Empirical Formula C28H18N2O2

Melting Point(DTA), C 353-359

Appearance Yellowish Green Powder

Odor Free of odor

Volatile Content % 0.3max

Assay %99min

Particle Size 200 meshes

Company Contact:

  • Phone: 8613573118832

  • Address: University Science & Technology Park, Industrial D, jinan, China

  • Email: Email

Published date: April 7, 2013 -

  • Business Description: Jinan Subang Fine Chemical Co., Ltd engaged in the field of optical brightener, dye intermediate and pigment which applied in the fields of textile, dyeing and printing, plastic and short fiber, paper & pulp making and synthetic detergent.


    The Leading products are optical brighteners,for plastics and for textile, such as OB, OB 1, KSN, KCB, CBS 127, FP 127, PF, KB, DBH, CBS 351, ER, VBL, PS 1, BA, BBU, BTV, 4BK, BBU etc, the year production capacity is 600 tons. As well as 2 Nitrophenol, 2 Aminophenol and 2 Amino 4 tert butylphenol are our superior product, year production capacity is 2000 tons.

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