Omnistab UV 988

Omnistab UV 988

· Chemical Name:tetraethyl 2,2'-(1,4-phenylenedimethylidyne)bismalonate

· CAS:6337-43-5

· Molecular formula:C22H26O8

Structural formula:
Omnistab UV 988
Applications

UV absorber

Specifications

Item

Specification

Appearance

White crystal powder 

Assay

99.00% min

Melting point

137.00-139.00℃

Volatile

0.50% max

Ash

0.10% max

Transmittance

425nm: 96.00% min   500nm: 98.00%  min


Storage and transportation

This product according to the general chemical transportation, note rainproof, moistureproof, stored in dry and ventilated place.

Inquire Now

If you have questions, please fill out the form below and we will contact you as soon as possible

+86 187 6629 9236