The Thorium tetrahydroxide, with the CAS registry number 13825-36-0, is also known as Thorium hydroxide. Its EINECS registry number is 237-522-5. This chemical's molecular formula is H₄O₄Th and molecular weight is 300.07. What's more, its systematic name is called Thorium(4+) tetrahydroxide. This chemical is used as the raw materials and reagents about preparation of thorium salt.

Physical properties about Thorium tetrahydroxide are: (1)ACD/LogP: -1.38; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.38; (4)ACD/LogD (pH 7.4): -1.38; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)#H bond acceptors: 1; (8)#H bond donors: 2; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 20.23 Å²; (11)Enthalpy of Vaporization: 40.65 kJ/mol; (12)Boiling Point: 100 °C at 760 mmHg; (13)Vapour Pressure: 24.5 mmHg at 25 °C.

Preparation of Thorium tetrahydroxide: this chemical can be prepared by thorium nitrate with oxalic acid. It needs filtering, washing and centrifugal separation.

Th(NO₃)₄ + 2 H₂CaO₄ → Th(CaO₄)₂ + 4 HNO₃
Th(C₂O₄)₂ + 4NaOH → Th(OH)₄ + 2 Na₂C₂O₄

You can still convert the following datas into molecular structure:
(1) SMILES: [Th+4].[OH-].[OH-].[OH-].[OH-]
(2) InChI: InChI=1S/4H2O.Th/h4*1H2;/q;;;;+4/p-4
(3) InChIKey: SFKTYEXKZXBQRQ-UHFFFAOYSA-J