1,3-双是一种化学物质，化学式是C27H26P2。

DPPP;[3-(Diphenylphosphino)propyl](diphenyl)phosphine;Bis(1,3-diphenylphosphino)propane;Phosphine, 1,3-propanediylbis diphenyl-;Phosphine, trimethylenebisdiphenyl-;1,3-bis(diphenyphosphino)propane;1,3-bis(diphenyphosphino)propane(dppp);1,3-Bis(Diphenlphosphino)Propane;PH2PCH2 CH2CH2PPH2;1,3-propanediylbis diphenyl-phosphin;1,3-BIS(DIPHENYPHOSPHINO)EINECS 229-791-2

S26In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

不慎与眼睛接触后，请立即用大量清水冲洗并征求医生意见。

S37/39Wear suitable gloves and eye/face protection

戴适当的手套和护目镜或面具。

R36/37/38Irritating to eyes, respiratory system and skin.

刺激眼睛、呼吸系统和皮肤。

熔点:63-65 °C(lit.)

水溶性:不溶解

闪点:235°C

用于络合二价钯催化剂，从而进行一氧化碳合乙烯的共聚反应得到聚酮。

【贮藏】储存于阴凉，干燥的地方。储存在密闭的容器中。