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CAS No.: | 10193-36-9 |
---|---|
Name: | tetrahydroxysilane |
Article Data: | 91 |
Molecular Structure: | |
Formula: | H4O4Si |
Molecular Weight: | 96.1149 |
Synonyms: | Monosilicicacid;Orthosilicic acid;Orthosilicic acid (H4SiO4);Silicic acid (Si(OH)4);Silicon hydroxide (Si(OH)4);Silicon tetrahydroxide;Tetrahydroxysilane;Tetrahydroxysilicon; |
EINECS: | 233-477-0 |
Density: | 1.77 g/cm3 |
Boiling Point: | 153-156 °C(Press: 2 Torr) |
Solubility: | 100ng/L at 25℃ |
PSA: | 80.92000 |
LogP: | -2.60880 |
silicic acid tetrabenzyl ester
silicic Acid
Conditions | Yield |
---|---|
With palladium-platinum; hydrogen; aniline In N,N-dimethyl acetamide at 20℃; for 2h; Concentration; Solvent; | 96% |
Conditions | Yield |
---|---|
With palladium-platinum; hydrogen; aniline at 20℃; for 2h; Concentration; Reagent/catalyst; Time; | A 6% B 92% |
With palladium-platinum; hydrogen In N,N-dimethyl acetamide at 20℃; for 2h; | A 34% B 13% |
A
pyrosilicic acid
B
cyclo trisiloxanehexaol
C
(HO)3SiOSi(OH)2OSi(OH)3
D
(HO)2SiOSi(OH)2OSi(OH)2O(Si(OH)2O)
E
silicic Acid
Conditions | Yield |
---|---|
With sulfuric acid Kinetics; byproducts: H10Si6O17, H10Si8O21, polysilicate; Na2H2SiO4*8H2O added to zeolite ion-exchange/H2SO4 at 2°C; filtered, product yield dependence to ageing time at room temp.; | A 14% B n/a C n/a D 5% E 51% |
silicic acid tetrabenzyl ester
A
pyrosilicic acid
B
cyclo trisiloxanehexaol
C
silicic Acid
Conditions | Yield |
---|---|
With palladium-platinum; hydrogen at 20℃; for 2h; | A 36% B 47% C 8% |
A
pyrosilicic acid
B
cyclo trisiloxanehexaol
C
(HO)3SiOSi(OH)2OSi(OH)3
D
(HO)2SiOSi(OH)2OSi(OH)2O(Si(OH)2O)
E
silicic Acid
Conditions | Yield |
---|---|
With sulfuric acid Kinetics; byproducts: H10Si6O17, H10Si8O21, polysilicate; Na2SiO3 added to zeolite ion-exchange/H2SO4 at 2°C; filtered, product yield dependence to ageing time at room temp.; | A 8% B n/a C n/a D 4% E 28% |
Conditions | Yield |
---|---|
In water pH=5 - 7; |
tetramethylorthosilicate
silicic Acid
Conditions | Yield |
---|---|
In neat (no solvent) Kinetics; solid SiO2 reacted with H2O vapor; |
Conditions | Yield |
---|---|
With water; mercury dichloride In water |
The Monosilicic acid, with the CAS registry number 10193-36-9, is also known as Orthosilicic acid. It belongs to the product category of Inorganics. Its EINECS registry number is 233-477-0. This chemical's molecular formula is H4O4Si and molecular weight is 96.11486. Its IUPAC name is called silicic acid.
Physical properties of Monosilicic acid: (1)ACD/LogP: 0.65; (2)ACD/LogD (pH 5.5): 0.65; (3)ACD/LogD (pH 7.4): 0.65; (4)ACD/BCF (pH 5.5): 1.84; (5)ACD/BCF (pH 7.4): 1.84; (6)#H bond acceptors: 4; (7)#H bond donors: 4; (8)#Freely Rotating Bonds: 4; (9)Index of Refraction: 1.535; (10)Molar Refractivity: 16.9 cm3; (11)Molar Volume: 54.2 cm3; (12)Surface Tension: 72.1 dyne/cm; (13)Density: 1.77 g/cm3.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: O[Si](O)(O)O
(2)InChI: InChI=1S/H4O4Si/c1-5(2,3)4/h1-4H
(3)InChIKey: RMAQACBXLXPBSY-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
guinea pig | LDLo | intraperitoneal | 120mg/kg (120mg/kg) | BEHAVIORAL: TREMOR BEHAVIORAL: ATAXIA LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION | British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922. |
guinea pig | LDLo | intravenous | 100mg/kg (100mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: TREMOR | British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922. |
mouse | LDLo | intraperitoneal | 40mg/kg (40mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) | British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922. |
mouse | LDLo | intravenous | 100mg/kg (100mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BLOOD: CHANGE IN CLOTTING FACTORS BEHAVIORAL: MUSCLE WEAKNESS | British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922. |
rabbit | LDLo | intravenous | 100mg/kg (100mg/kg) | BEHAVIORAL: EXCITEMENT CARDIAC: OTHER CHANGES LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922. |
rat | LDLo | intravenous | 100mg/kg (100mg/kg) | BLOOD: CHANGE IN CLOTTING FACTORS | British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922. |