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Copper(II) borate

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Copper(II) borate
Names
IUPAC name Copper(II) borate
Other names Cupric orthoborate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.049.438 Edit this at Wikidata
EC Number
  • 254-401-2
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/2BO3.3Cu/c2*2-1(3)4;;;/q2*-3;3*+2Key: CQDTUBLRLRFEJX-UHFFFAOYSA-N
SMILES
  • B()().B()()...
Properties
Chemical formula B2Cu3O6
Molar mass 308.25 g·mol
Appearance Dark green solid
Density 4.54
Solubility in water Insoluble
Structure
Crystal structure Triclinic
Hazards
GHS labelling:
Pictograms GHS07: Exclamation mark
Signal word Warning
Hazard statements H302, H312, H315, H320, H332
Precautionary statements P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P332+P313
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chlorideFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
0 0 0
Related compounds
Other cations Sodium orthoborate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Copper(II) borate is an inorganic compound with the formula Cu3(BO3)2. It consists of copper atoms in their cupric oxidation state and orthoborate groups. In the 19th century it was proposed to be used as a green pigment to replace the very toxic paris green. It has been studied for it photocatalytic properties.

Preparation

Copper(II) borate can be prepared by heating a stoichiometric mixture of copper(II) oxide and diboron trioxide to 900 °C.

3CuO + B2O3 → Cu3(BO3)2

References

  1. ^ Liu, Jikai; Wen, Shuhao; Zou, Xiaoxin; Zuo, Fan; Beran, Gregory J. O.; Feng, Pingyun (2013). "Visible-light-responsive copper(II) borate photocatalysts with intrinsic midgap states for water splitting". J. Mater. Chem. A. 1 (5): 1553–1556. doi:10.1039/C2TA00522K. ISSN 2050-7488.
  2. ^ Fukaya, Atsuko; Watanabe, Isao; Nagamine, Kanetada (October 2001). "Long-Range Order in a Copper Borate Cu3B2O6". Journal of the Physical Society of Japan. 70 (10): 2868–2871. Bibcode:2001JPSJ...70.2868F. doi:10.1143/JPSJ.70.2868. ISSN 0031-9015.
  3. Elsner, L. (1849). Die chemisch - technischen MITTHEILUNGEN der Jahre 1846–1848. Berlin: Julius Springer. p. 82.
Copper compounds
Cu(0,I)
Cu(I)
Cu(I,II)
Cu(II)
Cu(III)
Cu(IV)
Borates
H3BO3 He
Li2B4O7 Be B +(CO3)
+(C2O4) 		(NH4)3BO3
+NO3 		O +F Ne
Na2·8H2O
NaBO2
NaBO3
Na3BO3
Na2B8O13 		Mg3(BO3)2 AlBO3 Si -PO4
+PO4 		+S
-SO4
+SO4 		+Cl Ar
K2B4O7•4H2O
KB5O8•4H2O 		Ca3(BO3)2 ScBO3 TiBO3 -VO4 Cr Mn3(BO3)2 Fe3(BO3)2
FeBO3
FeB(OH)4 		Co3(BO3)2 Ni3(BO3)2 Cu3(BO3)2 Znx(BO3)x GaBO3
-GaO4 		-GeO4 -AsO4 -SeO4
-SeO3
+Se 		+Br Kr
Rb3BO3
RbB11O16(OH)2
Rb•2H2O 		Sr3(BO3)2 YBO3 ZrB2O5 Nb Mo Tc Ru Rh Pd Ag3BO3 Cd3(BO3)2 InBO3 Sn -SbBO4 -TeO4
-TeO3 		+I Xe
Cs3BO3
CsB5O8•4H2O 		BaB2O4 * Lu3B5O12 HfB2O5 Ta W Re Os Ir Pt Au Hg Tl3BO3 Pb3(BO3)2 BiBO3 Po At Rn
Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* LaB3O6 CeB3O6 Pr4B10O21 NdBO3 Pm Sm Eu Gd Tb Dy4B6O15
Dy2B4O9 		Ho4B6O15
Ho2B4O9 		ErBO3 Tm3B5O12 Yb3B5O12
** Ac Th3(BO3)4 Pa U(BO3)2 Np Pu Am Cm Bk Cf Es Fm Md No
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