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Home > Products > Fluorescent Brightener > Fluorescent Brightener ER > OPTICAL BRIGHTENER ER CAS NO.13001-39-3

OPTICAL BRIGHTENER ER CAS NO.13001-39-3

OPTICAL BRIGHTENER ER CAS NO.13001-39-3

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT,CIP

Additional Info

    Transportation: Ocean,Land,Air

    Port: XINGANG,SHANGHAI

Product Description

Packaging Details:

25 KG /carton

Delivery Detail:

15-20 days after receive the advanced payment

Product Name

Optical Brightening Agent ER-I / C.I.199

Chemical Name

1,4'-bis(2-cyanostyryl) Benzene

CAS No.

13001-40-6,13001-39-3

C.I. No.

199

Molecular Formula

C24H16N2

Molecular Weight

332

Specification

Appearance:

greenish yellow crystalline powder

Melting Point:

230-232°C

Purity:

≥99%

Maximum UV Absorption Spectrum:

365nm

Uses

Mainly be used in whitening of polyester fiber and as the Raw Material of paste form brightening agent in textile dyeing. Equivelent to Blankophor ER.

Properties

It has high whitening brightening effect and excellent fastness to sublimation.

79026-03-2

Specification:

Test Items

Units

Specification

Result

Appearance

Light yellow powder

CONFIRM

Active Matter

wt %

99min

99.58

ASH

wt %

0.6max

0.16

Moisture

wt %

1max

0.18

Melting Point

189.4℃~191.5

190℃±2

Application: Mainly used for whitening polyester, its blends fabric and acetate fiber.

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Product Categories : Fluorescent Brightener > Fluorescent Brightener ER

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