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LC540 1,2-Bis(diphenylphosphino)-ethane
for synthesis


Order number Packaging Quantity Price €
AC27540 Glass bottle 10 g 49.05


Product information
Synonyms Ethylenebis(diphenylphosphine), Diphos, Dppe
Hill Formula C26H24P2
HS Code 2931 00 99
EC number 216-769-2
Molar mass 398.42 g/mol
CAS number 1663-45-2


Chemical and physical data
Melting point 138 – 142 °C
Molar mass 398.42 g/mol


Safety information
R Phrase R 36/37/38
Irritating to eyes, respiratory system and skin.
Categories of danger irritant
Hazard Symbol Irritant
Storage class 10 – 13 Other liquids and solids
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Assay (GC, area%) ≥ 98 %
Melting range
– lower value
≥ 138 °C
– upper value ≤ 142 °C
Identity (IR) passes test