Uranyl zinc acetate

Uranyl zinc acetate (ZnUO₂(CH₃COO)₄) is a compound of uranium.

Uranyl zinc acetate

Names
IUPAC name zinc bis(acetato-O)dioxouranate
Other names zinc uranyl acetate
Identifiers
CAS Number	10138-94-0
3D model (JSmol)	Interactive image
ECHA InfoCard	100.030.342
SMILES O=C(C)[O-].[O+]#[U]#[O+].O=C(C)[O-].O=C(C)[O-].[Zn+2].O=C(C)[O-]
Properties
Chemical formula	ZnUO2(CH3COO)4
Molar mass	571.59 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Uranyl zinc acetate is used as a laboratory reagent in the determination of sodium concentrations of solutions using a method of quantitatively precipitating sodium with uranyl zinc acetate and gravimetrically determining the sodium as uranyl zinc sodium acetate, (UO₂)₃ZnNa(CH₃CO₂)₉·6H₂O. The presence of caesium and rubidium does not interfere with this reaction, but the presence of potassium and lithium must be removed prior to analysis.[1][2]

This method was important to determine Na in urine for diagnostic purposes. Zinc uranyl acetate is sometimes called "sodium reagent" since pale yellow NaZn(UO₂)₃(C₂H₃O₂)₉ is one of the very few insoluble sodium compounds.

Laboratory use

Uranyl zinc acetate has been used as a catalyst for converting dimethyl carbonate into toluene-2,4-diisocyanate (TDI).[3]

References

1. Barber, H. H.; Kolthoff, I. M. (1928). "A specific Reagent for the Rapid Gravimetric Determination of Sodium". J. Am. Chem. Soc. 50 (6): 1625. doi:10.1021/ja01393a014.
2. Barber, H. H.; Kolthoff, I. M. (1929). "Gravimetric Determination of Sodium by the Uranyl Zinc Acetate Method. II. Application in the Presence of Rubidium, Cesium, Potassium, Lithium, Phosphate or Arsenate". J. Am. Chem. Soc. 51 (11): 3233. doi:10.1021/ja01386a008.
3. Wang, Y.; Zhao, X.; Li, F.; Wang, S.; Zhang, J. (2001). "Catalytic synthesis of toluene-2,4-diisocyanate from dimethyl carbonate". Journal of Chemical Technology & Biotechnology. 76 (8): 857. doi:10.1002/jctb.455.

Acetyl halides and salts of the acetate ion
AcOH																	He
LiOAc	Be(OAc)2 BeAcOH											B(OAc)3	AcOAc ROAc	NH4OAc	AcOOH	FAc	Ne
NaOAc	Mg(OAc)2											Al(OAc)3 ALSOL Al(OAc)2OH Al2SO4(OAc)4	Si	P	S	ClAc	Ar
KOAc	Ca(OAc)2	Sc(OAc)3	Ti(OAc)4	VO(OAc)3	Cr(OAc)2 Cr(OAc)3	Mn(OAc)2 Mn(OAc)3	Fe(OAc)2 Fe(OAc)3	Co(OAc)2, Co(OAc)3	Ni(OAc)2	Cu(OAc)2	Zn(OAc)2	Ga(OAc)3	Ge	As(OAc)3	Se	BrAc	Kr
RbOAc	Sr(OAc)2	Y(OAc)3	Zr(OAc)4	Nb	Mo(OAc)2	Tc	Ru(OAc)2 Ru(OAc)3 Ru(OAc)4	Rh2(OAc)4	Pd(OAc)2	AgOAc	Cd(OAc)2	In	Sn(OAc)2 Sn(OAc)4	Sb(OAc)3	Te	IAc	Xe
CsOAc	Ba(OAc)2		Hf	Ta	W	Re	Os	Ir	Pt(OAc)2	Au	Hg2(OAc)2, Hg(OAc)2	TlOAc Tl(OAc)3	Pb(OAc)2 Pb(OAc)4	Bi(OAc)3	Po	At	Rn
Fr	Ra		Rf	Db	Sg	Bh	Hs	Mt	Ds	Rg	Cn	Nh	Fl	Mc	Lv	Ts	Og
		↓
		La(OAc)3	Ce(OAc)x	Pr	Nd	Pm	Sm(OAc)3	Eu(OAc)3	Gd(OAc)3	Tb	Dy(OAc)3	Ho(OAc)3	Er	Tm	Yb(OAc)3	Lu(OAc)3
		Ac	Th	Pa	UO2(OAc)2	Np	Pu	Am	Cm	Bk	Cf	Es	Fm	Md	No	Lr