Chemical Properties of Lewisite 2 (CAS 40334-69-8)

InChI

InChI=1S/C4H4AsCl3/c6-3-1-5(8)2-4-7/h1-4H/b3-1+,4-2+

InChI Key

YRFJGLQNTWLXKO-ZPUQHVIOSA-N

Formula

C4H4AsCl3

SMILES

ClC=C[As](Cl)C=CCl

Molecular Weight¹

233.35

CAS

40334-69-8

Other Names

• Arsine, bis(2-chlorovinyl)chloro-
• Bis(2-chlorovinyl)chloroarsine
• Dichlorovinylarsine chloride
• Dichlorovinylchloroarsine
• L-2
• Lewisite II

• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
log10WS	-0.91		Crippen Calculated Property
logPoct/wat	2.800		Crippen Calculated Property
Inp	[1268.00; 1290.00]
Inp	1290.00		NIST
Inp	1279.00		NIST
Inp	1268.00		NIST
Inp	1290.00		NIST
Inp	1290.00		NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[360.05; 484.12]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.98907e+01
Coefficient B			-7.05811e+03
Temperature range, min.			360.05
Temperature range, max.			484.12
Pvap	1.33	kPa	360.05	Calculated Property
Pvap	2.75	kPa	373.84	Calculated Property
Pvap	5.38	kPa	387.62	Calculated Property
Pvap	10.05	kPa	401.41	Calculated Property
Pvap	18.01	kPa	415.19	Calculated Property
Pvap	31.10	kPa	428.98	Calculated Property
Pvap	51.92	kPa	442.76	Calculated Property
Pvap	84.01	kPa	456.55	Calculated Property
Pvap	132.17	kPa	470.33	Calculated Property
Pvap	202.64	kPa	484.12	Calculated Property

Similar Compounds

Find more compounds similar to Lewisite 2.

Sources

• Crippen Method
• Crippen Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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