1,2-Dibromo-2,4-dicyanobutane
Title: 1,2-Dibromo-2,4-dicyanobutane
CAS Registry Number: 35691-65-7
CAS Name: 2-Bromo-2-(bromomethyl)pentanedinitrile
Additional Names: 2-bromo-2-(bromomethyl)glutaronitrile
Trademarks: Tektamer 38 (Lanxess)
Molecular Formula: C6H6Br2N2
Molecular Weight: 265.93
Percent Composition: C 27.10%, H 2.27%, Br 60.09%, N 10.53%
Literature References: Prepn: N. Grier, S. J. Lederer, DE 2164723; eidem, US 3833731 (1972, 1974 to Merck & Co.).
Properties: Crystals from ethanol, mp 51.2-52.5°. Mildly pungent odor. Very sol in DMF, acetone, chloroform, ethyl acetate, benzene. Sol in methanol, ethanol, ether. Insol in water.
Melting point: mp 51.2-52.5°
Use: Preservative for latex paints, adhesives, latex emulsions, dispersed pigments, joint cements, metal working fluids.

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