Chemical Properties of Arsenic trichloride (CAS 7784-34-1)

InChI

InChI=1S/AsCl3/c2-1(3)4

InChI Key

OEYOHULQRFXULB-UHFFFAOYSA-N

Formula

AsCl3

SMILES

Cl[As](Cl)Cl

Molecular Weight¹

181.28

CAS

7784-34-1

Other Names

• Arsenic butter
• Arsenic chloride
• Arsenic chloride (AsCl3)
• Arsenic(3+) chloride
• Arsenic(III) chloride
• Arsenious chloride
• Arsenous chloride
• Arsenous trichloride
• AsCl3
• Butter of arsenic
• Chlorure arsenieux
• Chlorure d'arsenic
• Fuming liquid arsenic
• Trichloroarsine
• Trichlorure d'arsenic
• UN 1560

• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• P_vap : Vapor pressure (kPa).
• T_c : Critical Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
IE	[10.55; 11.70]	eV
IE	11.20 ± 0.10	eV	NIST
IE	11.60 ± 0.05	eV	NIST
IE	10.57 ± 0.03	eV	NIST
IE	10.55 ± 0.03	eV	NIST
IE	10.72 ± 0.07	eV	NIST
IE	11.70 ± 0.10	eV	NIST
IE	10.90	eV	NIST
log10WS	0.47		Crippen Calculated Property
logPoct/wat	1.688		Crippen Calculated Property
Tc	653.00 ± 2.00	K	NIST
Vc	0.247 ± 0.005	m3/kmol	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.13; 101.33]	kPa	[261.75; 403.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.51356e+01
Coefficient B			-3.84552e+03
Coefficient C			-3.75100e+01
Temperature range, min.			261.75
Temperature range, max.			403.15
Pvap	0.13	kPa	261.75	Calculated Property
Pvap	0.41	kPa	277.46	Calculated Property
Pvap	1.10	kPa	293.17	Calculated Property
Pvap	2.62	kPa	308.88	Calculated Property
Pvap	5.70	kPa	324.59	Calculated Property
Pvap	11.42	kPa	340.31	Calculated Property
Pvap	21.37	kPa	356.02	Calculated Property
Pvap	37.70	kPa	371.73	Calculated Property
Pvap	63.19	kPa	387.44	Calculated Property
Pvap	101.33	kPa	403.15	Calculated Property

Similar Compounds

Find more compounds similar to Arsenic trichloride.

Sources

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

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