phosphanen.

Brit.

/ˈfɒsfeɪn/, U.S.

/ˈfɑsˌfeɪn/

Origin: Formed within English, by derivation. Etymons: phospho- comb. form, -ane suffix².

Etymology: < phospho- comb. form + -ane suffix². Compare German Phosphan (1968 or earlier). Compare earlier phosphine n., and also phosphorane n.

Chemistry.

A hydride of (esp. trivalent) phosphorus; spec. = phosphine n. 1. Also: a substituted derivative of such a compound.Phosphane is now the recommended IUPAC name for phosphine in most contexts.

ΚΠ

1952 Chem. & Engin. News 2 June 2336/2 PH₅ is phosphorane (not phosphane, as the latter name is used in the series diphosphane, triphosphane, and so on).

1970 Jrnl. Chem. Documentation 10 183 (C₆H₅)₃P=CH₂ a phosphane.

1989 tr. C. Elschenbroich & A. Salzer Organometallics viii. 112 Silyl anions R₃Si⁻ are isoelectronic with phosphanes R₃P.

1995 D. M. P. Mingos Essent. Inorg. Chem. (1997) 67 In hypervalent compounds the valency is indicated by a superscript added to the Greek letter λ: PH₅λ⁵-phosphane; SeH₆λ⁶-selenane.

2000 New Scientist 26 Aug. 89/4 If diphosphane (P₂H₄), which is often present in phosphane as an impurity, reacts spontaneously with air it could ignite the methane to create a weak blue flame.

This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phosphane
释义	phosphanen. Brit. /ˈfɒsfeɪn/, U.S. /ˈfɑsˌfeɪn/ Origin: Formed within English, by derivation. Etymons: phospho- comb. form, -ane suffix². Etymology: < phospho- comb. form + -ane suffix². Compare German Phosphan (1968 or earlier). Compare earlier phosphine n., and also phosphorane n. Chemistry. A hydride of (esp. trivalent) phosphorus; spec. = phosphine n. 1. Also: a substituted derivative of such a compound.Phosphane is now the recommended IUPAC name for phosphine in most contexts. ΚΠ 1952 Chem. & Engin. News 2 June 2336/2 PH₅ is phosphorane (not phosphane, as the latter name is used in the series diphosphane, triphosphane, and so on). 1970 Jrnl. Chem. Documentation 10 183 (C₆H₅)₃P=CH₂ a phosphane. 1989 tr. C. Elschenbroich & A. Salzer Organometallics viii. 112 Silyl anions R₃Si⁻ are isoelectronic with phosphanes R₃P. 1995 D. M. P. Mingos Essent. Inorg. Chem. (1997) 67 In hypervalent compounds the valency is indicated by a superscript added to the Greek letter λ: PH₅λ⁵-phosphane; SeH₆λ⁶-selenane. 2000 New Scientist 26 Aug. 89/4 If diphosphane (P₂H₄), which is often present in phosphane as an impurity, reacts spontaneously with air it could ignite the methane to create a weak blue flame. This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1952
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