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: D 2523
: 821-06-7
: BrCH2CH=CHCH2Br
: 213.90
: D 2523 (OTTO) trans-1,4-Dibromo-2-butene, 98% Cas 821-06-7 - used in pharmaceutical and bio chemical industry.
: Organic building blocks,Building blocks
: 99%
: Powder or crystals or chunks
: White to beige to brown
: 48-51 °C (lit.)
WGK 2