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Home Up HEMA-5 & HEMA-10 BEM-25 & LEM-23 MPEM-7 & 12 &16

 

BEM-25   Behenylpolyethoxy (25) methacrylate  and 

CAS No. 125441-87-4

LEM-23   Laurylpolyethoxy (23) methacrylate

CAS No.136505-03-8

BEM-25 and LEM-23 are waxy solid monomers, used in associative thickeners, rheological additives etc.

Structure

bem-25.gif (2266 bytes)

             BEM-25  Molecular weight = 1,494      LEM-23  Molecular weight = 1,354

Typical Properties

Active content, %:                        93.5
Methacrylic acid, %:                          5.3
Ethoxylates, %:                          1.2
Melting point, ° C:                      circa 50
Appearance:                  Waxy solids

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Revised: February 15, 2010.