Sodium hydroxide is an inorganic compound, an acid salt of sodium and oxalic acid with the formula NaHC 2 O 4 , colorless crystals, it dissolves in water, forms crystalline hydrates .
| Sodium Hydroxalate | |
|---|---|
| General | |
| Systematic name | Sodium Hydroxalate |
| Traditional names | Oxalic Acid Sodium |
| Chem. formula | NaHC 2 O 4 |
| Rat formula | Sodium hydrogenoxalate.svg |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 112.02 g / mol |
| Density | Gilrate - 1,954 g / cm³ |
| Thermal properties | |
| Enthalpy of Education | -1083 kJ / mol |
| Chemical properties | |
| Solubility in water | hydrate 2.2 2.2; 21 100 g / 100 ml |
| Classification | |
| Reg. CAS number | |
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| Reg. EINECS number | |
| Smiles | |
| Inchi | |
| ChemSpider | |
Physical Properties
Sodium hydrooxalate forms colorless crystals.
It is soluble in water, insoluble in ethanol and diethyl ether .
Forms a crystalline hydrate of the composition NaHC 2 O 4 · H 2 O — colorless crystals of triclinic syngony , space group P 1 , cell parameters a = 0.64235 nm , b = 0.66580 nm , c = 0.56941 nm , α = 85.048 ° , β = 110.100 ° , γ = 104.963 ° , Z = 2 at 120 K [1] .
Notes
- ↑ RG Delaplane, R. Tellgren and I. Olovsson ,. Neutron diffraction study of sodium hydrogen oxalate monohydrate, NaHC 2 O 4 .H 2 O, at 120 K // Acta Crystallographica Section C. - 1984. - T. C40 , No. 11 . - S. 1800-1803 . - DOI : 10.1107 / S0108270184009616 .
Literature
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.