Tin(II) oxalate
Names
Other names
Tin(II) oxalate, Stannous oxalate
Identifiers
ChemSpider
ECHA InfoCard 100.011.285
EC Number
UNII
InChI=1S/C2H2O4.Sn/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
Key: OQBLGYCUQGDOOR-UHFFFAOYSA-L
Properties
C 2 O 4 Sn
Molar mass
−1
Appearance
colorless crystals
Density
3.56
Melting point
280 °C (536 °F; 553 K)[ 1]
0.5 g/l
Hazards
GHS labelling
Warning
H302 , H312 , H318
P264 , P270 , P280 , P301+P312 , P302+P352 , P305+P351+P338 , P310 , P312 , P322 , P330 , P363 , P501
Related compounds
Related compounds
Magnesium oxalate Strontium oxalate Barium oxalate Iron(II) oxalate Iron(III) oxalate Praseodymium oxalate
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Tin(II) oxalate is an inorganic compound , a salt of tin and oxalic acid with the chemical formula SnC2 4 .[ 2]
Synthesis
Effect of oxalic acid solution on tin(II) oxide :
S
n
O
+
H
2
C
2
O
4
→
S
n
C
2
O
4
↓ ↓ -->
+
H
2
O
{\displaystyle {\mathsf {SnO+H_{2}C_{2}O_{4}\ {\xrightarrow {}}\ SnC_{2}O_{4}\downarrow +H_{2}O}}}
Tin(II) oxalate can also be obtained by using tin(II) chloride and oxalic acid.[ 3]
Properties
Tin (II) oxalate forms colorless crystals.
Insoluble in water and acetone . Soluble in dilute HCl ,[ 4] methanol , and petroleum ether .[ 5]
Forms crystal hydrates of the composition SnC2 O4 •n H2 O, where n = 1 and 2.
Decomposes on heating:
S
n
C
2
O
4
→
380
o
C
S
n
O
2
+
2
C
O
{\displaystyle {\mathsf {SnC_{2}O_{4}\ {\xrightarrow {380^{o}C}}\ SnO_{2}+2CO}}}
Applications
Tin oxalate is used as a catalyst in the production of organic esters and plasticizers.[ 4]
It is used for dyeing and printing fabrics.
The compound is also used in stannous oral care compositions.
Few studies have reported on the use of tin(II) oxalate as an anode material for rechargeable lithium batteries .[ 6]
References
^ "Tin Oxalate" . American Elements . Retrieved 5 August 2021 .^ "Tin(II) oxalate 98% | Sigma-Aldrich" . sigmaaldrich.com . Retrieved 5 August 2021 .^ Nagirnyak, Svitlana V.; Lutz, Victoriya A.; Dontsova, Tatiana A.; Astrelin, Igor M. (26 July 2016). "Synthesis and Characterization of Tin(IV) Oxide Obtained by Chemical Vapor Deposition Method" . Nanoscale Research Letters 11 (1): 343. Bibcode :2016NRL....11..343N . doi :10.1186/s11671-016-1547-x ISSN 1556-276X . PMC 4960077 PMID 27456501 . ^ a b "814-94-8 - Tin(II) oxalate - Stannous oxalate - 14113 - Alfa Aesar" . Alfa Aesar . Retrieved 5 August 2021 .^ "Registration Dossier - ECHA" . European Chemical Agency . Retrieved 5 August 2021 .^ Park, Jae-Sang; Jo, Jae-Hyeon; Yashiro, Hitoshi; Kim, Sung-Soo; Kim, Sun-Jae; Sun, Yang-Kook; Myung, Seung-Taek (9 August 2017). "Synthesis and Electrochemical Reaction of Tin Oxalate-Reduced Graphene Oxide Composite Anode for Rechargeable Lithium Batteries" . ACS Applied Materials & Interfaces 9 (31): 25941–25951. doi :10.1021/acsami.7b03325 . ISSN 1944-8252 . PMID 28718628 . Retrieved 5 August 2021 .
