荧光增白剂OB-1

OPTICAL BRIGHTENER OB-1
1533-45-5

询价 25drums 起订

山东更新日期：2021-11-23

山东吉凌化工有限公司

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联系人：宋倩

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邮箱：eleven@sdjlchem.com

low price pure optical brightener OB-1 (cas no.1533-45-5)

【Chemical Name】2,2'-(vinylenedi-p-phenylene)bisbenzoxazole

【CAS NO】1533-45-5

【Molecular Formula】C28H18N2O2

【Molecular Weight】414.5

【Structure】

Specification

TGA: 0.2%(300℃) 2.2%（350℃） 19.4%（400℃）

Application

*OB-1 is high molecule Optical Brightener, Used as fluorescent whitening agent for textile fibers, molded articles and sheets.

* OB-1 offers good resistance to heat, provides exceptional whitening properties and exhibits good light fastness and low volatility.

Packing:

25KG Fiber Drum

Storage

Keep container tightly closed and dry and storage in cool place

Product Name	Optical brightener OB-1(C.I. 393)
CAS No.	1533-45-5
EINECS No.	216-245-3
Other Name	2,2'-(1,2-Ethenediyldi-4,1-phenylene)
MF	C28H18N2O2
Appearance	Bright yellow / green crystalline powder
Purity	≥99%
Melting point	300~380 °C
Volatile:	<0.5%
Package	20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.
Applications: Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has excellent effects on foaming plastics, especially EVA, PE foaming.
Properties: • Colors appear more brilliant • Environmentally friendly • Excellent brightening ability • Produce a bluish tinge, masking yellowness • Whiter-than-white appearance.
Dosage: Optical brightener OB-1 is commonly used in the amount of 0.01-0.03%, that is, each 100kg of the materials, the optical brightener OB-1 takes 10g-30g or can be adjusted according to the requirements of the product or test.