Tetrapropoxysilane supplier

Name
Tetrapropoxysilane
EINECS 211-659-0
CAS No. 682-01-9
Article Data31
CAS DataBase
Density 0.918 g/cm³
Solubility 78mg/L at 20℃
Melting Point <-80°C
Formula C₁₂H₂₈O₄Si
Boiling Point 224.3 °C at 760 mmHg
Molecular Weight 264.437
Flash Point 95 °C
Transport Information UN 1993
Appearance Colorless transparent liquid
Safety 26-36-37/39
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms Propylsilicate ((PrO)4Si) (7CI);Propyl silicate (6CI);Dynasil P;Propylorthosilicate;Silane, tetrapropoxy-;Silicon orthopropoxide;Silicontetrapropoxide;Tetra-n-propoxysilane;Tetrapropoxysilane;Tetrapropylorthosilicate;Tetrapropyl silicate;
PSA 36.92000
LogP 3.12840

Synthetic route

: 71-23-8
propan-1-ol

: 10026-04-7, 53609-55-5
tetrachlorosilane

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In not given	81.5%

: 71-23-8
propan-1-ol

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
With silica gel; potassium hydroxide at 210℃; under 11251.1 Torr; for 6h; Autoclave; Inert atmosphere;	78.7%
With tetrachlorosilane
With tetrachlorosilane

: 71-23-8
propan-1-ol

: 7440-21-3
monosilane

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In not given SiH4 and n-propanol in presence of C3H7OLi;;	77%
In not given SiH4 and n-propanol in presence of C3H7OLi;;	77%

: 71-23-8
propan-1-ol

A: 682-01-9
tetrapropoxysilane

B: 6544-00-9
Hexakis(n-propoxy)-disiloxan

Conditions

Conditions	Yield
With copper(l) chloride; silicon at 250℃; for 3h; Autoclave;	A 66% B n/a
With tetrachlorosilane

: 122891-74-1
(C3H7O)3Si(NHNHC6H5)

: 7550-45-0
titanium tetrachloride

A: 122926-59-4
(C3H7O)2Si(NHNHC6H5)2(TiCl4)2

B: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In Petroleum ether dropwise addn. of soln. of TiCl4 in petroleum ether (40-60°C) to soln. of 1-trialkoxysilyl 2-phenylhydrazine (equimolar amts., 0 to -10°C, under dry nitrogen), ppt. filtered in a cold atm. of dry N2; washed, dried under reduced pressure; elem. anal.;	A 65% B n/a

...Expand

: 122891-74-1
(C3H7O)3Si(NHNHC6H5)

: 7646-78-8
tin(IV) chloride

A: 122926-60-7
(C3H7O)2Si(NHNHC6H5)2(SnCl4)2

B: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In Petroleum ether dropwise addn. of soln. of SnCl4 in petroleum ether (40-60°C) to soln. of 1-trialkoxysilyl 2-phenylhydrazine (equimolar amts., 0 to -10°C, under dry nitrogen), ppt. filtered in a cold atm. of dry N2; washed, dried under reduced pressure; elem. anal.;	A 60% B n/a

...Expand

: 71-23-8
propan-1-ol

: 78-10-4
tetraethoxy orthosilicate

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
With titanium(IV) isopropylate

: 71-23-8
propan-1-ol

: 681-84-5
tetramethylorthosilicate

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
With sodium bei der Destillation;
In not given Si(OCH3)4 and n-propanol in presence of Na;;
In not given Si(OCH3)4 and n-propanol in presence of Na;;

: 71-23-8
propan-1-ol

A: 682-01-9
tetrapropoxysilane

B: 6485-85-4
tripropoxysilane

Conditions

Conditions	Yield
With trichlorosilane; benzene

: 7446-70-0
aluminium trichloride

: 6485-85-4
tripropoxysilane

: 682-01-9
tetrapropoxysilane

lithium propylate: lithium propylate

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
With propan-1-ol; monosilane

: 71-23-8
propan-1-ol

tetraacetyl silicate: tetraacetyl silicate

: 682-01-9
tetrapropoxysilane

: 71-23-8
propan-1-ol

: 10025-78-2
trichlorosilane

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In benzene

: 71-23-8
propan-1-ol

: magnesium silicide

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In not given
In not given

: 71-23-8
propan-1-ol

: 14986-21-1
hexachlorodisiloxane

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In not given

: 6485-85-4
tripropoxysilane

: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
With AlCl3 In not given refluxing of HSi(OCH2CH2CH3)3 and AlCl3 for 20 h;;

: 69957-49-9
N-phenyl-1,1,1-tripropoxysilanamine

: 7646-79-9
cobalt(II) chloride

A: (C3H7O)Si(NHC6H5)3*3CoCl2

B: (C3H7O)2Si(NHC6H5)2*2CoCl2

C: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In acetonitrile N2-atmosphere; stirring (24 h, room temp.); concentration, hexane addn. (pptn.), collection (filtration), washing (hexane), drying (vac.); elem. anal.;

...Expand

: 137219-43-3
N-butyl-1,1,1-tripropoxysilanamine

: 7646-79-9
cobalt(II) chloride

A: Si(NHC4H9)4*4CoCl2

B: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In acetonitrile N2-atmosphere; stirring (24 h, room temp.); concentration, hexane addn. (pptn.), collection (filtration), washing (hexane), drying (vac.); elem. anal.;

...Expand

: 88063-81-4
N-benzyl-1,1,1-tripropoxysilanamine

: 7646-79-9
cobalt(II) chloride

A: (C3H7O)2Si(NHCH2C6H5)2*CoCl2

B: (C3H7O)Si(NHCH2C6H5)3*2CoCl2

C: 682-01-9
tetrapropoxysilane

Conditions

Conditions	Yield
In acetonitrile N2-atmosphere; stirring (24 h, room temp.); concentration, hexane addn. (pptn.), collection (filtration), washing (hexane), drying (vac.); elem. anal.;

...Expand

: 682-01-9
tetrapropoxysilane

: 5301-78-0
4-(hydroxymethyl)-1-oxido-2,6,7-trioxa-1-phosphabicyclo [2.2.2] octane

: C20H32O20P4Si

Conditions

Conditions	Yield
In diethylene glycol dimethyl ether at 140℃; Solvent; Inert atmosphere;	85.7%

: 682-01-9
tetrapropoxysilane

: 15163-59-4
potassium o-nitrobenzoate

: 3079-53-6
1-nitro-2-propoxybenzene

Conditions

Conditions	Yield
With oxygen; copper diacetate; silver carbonate In N,N-dimethyl-formamide at 145℃; for 18h;	84%

: 682-01-9
tetrapropoxysilane

: 140-29-4
phenylacetonitrile

: 2315-68-6
propyl benzoate

Conditions

Conditions	Yield
With pyridine; ferric(III) bromide; oxygen In chlorobenzene at 130℃; for 9h; Sealed tube;	82%

: 682-01-9
tetrapropoxysilane

: 124-38-9
carbon dioxide

: 62-53-3
aniline

: 5532-90-1
n-propyl N-phenylcarbamate

Conditions

Conditions	Yield
With 1,10-Phenanthroline; zinc diacetate In acetonitrile at 150℃; under 37503.8 Torr; for 72h; Inert atmosphere; Autoclave; Green chemistry; chemoselective reaction;	80%
With 2,3,4,5,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium acetate In acetonitrile at 150℃; under 37503.8 Torr; for 24h; Autoclave; Inert atmosphere; Ionic liquid; Green chemistry; chemoselective reaction;	65%

...Expand

: 682-01-9
tetrapropoxysilane

: 609-73-4
o-nitroiodobenzene

: 3079-53-6
1-nitro-2-propoxybenzene

Conditions

Conditions	Yield
With oxygen; copper diacetate; caesium carbonate In N,N-dimethyl-formamide at 145℃; under 760.051 Torr; for 18h;	77%

: 682-01-9
tetrapropoxysilane

: 610-97-9
o-iodo-methyl-benzoic acid

: 18167-33-4
methyl-2-propoxybenzoic acid

Conditions

Conditions	Yield
With oxygen; copper diacetate; caesium carbonate In N,N-dimethyl-formamide at 145℃; under 760.051 Torr; for 18h;	75%

: 682-01-9
tetrapropoxysilane

: C18H17N3O3

: C21H23N3O4

Conditions

Conditions	Yield
With copper diacetate; potassium carbonate In dimethyl sulfoxide at 80℃; for 3h;	72%

: 682-01-9
tetrapropoxysilane

: N-(2-(1H-pyrazol-1-yl)phenyl)benzamide

: C19H19N3O2

Conditions

Conditions	Yield
With copper diacetate; potassium carbonate In dimethyl sulfoxide at 80℃; for 3h;	66%

: 682-01-9
tetrapropoxysilane

: 99-90-1
para-bromoacetophenone

: 5736-86-7
1-(4-propoxyphenyl)ethanone

Conditions

Conditions	Yield
With 1-(diphenylphosphino)ferrocene-1-(di-tert-butylphosphino)ferrocene; palladium diacetate; sodium hydroxide In toluene for 16h; Hiyama coupling; Inert atmosphere; Microwave irradiation; Reflux;	65%

: 682-01-9
tetrapropoxysilane

: 17897-96-0
chloro-tri-n-propoxy-silane

Conditions

Conditions	Yield
With CH3COCl at 185°C;;	63%
With acetyl chloride at 185°C;;	63%
With CH3COCl at 185°C;;	63%
With acetyl chloride In not given
With CH3COCl In not given

: 682-01-9
tetrapropoxysilane

: 22979-35-7
Methyl phenyldiazoacetate

A: (2R,3S) methyl 2-phenyl-3-(tripropoxysiloxy)pentanoate

B: methyl 2-phenyl-3-(tripropoxysiloxy)pentanoate

C: methyl 2-phenyl-3-(tripropoxysiloxy)pentanoate

Conditions

Conditions	Yield
With Rh2(R-DOSP)4 In various solvent(s) at 23℃; for 3h;	A 52% B n/a C n/a

...Expand

: 7719-09-7
thionyl chloride

: 682-01-9
tetrapropoxysilane

: 10026-04-7, 53609-55-5
tetrachlorosilane

Conditions

Conditions	Yield
With N,N-dimethyl-formamide at 55℃; under 760.051 Torr; for 32h;	46%

: 682-01-9
tetrapropoxysilane

: 75-36-5
acetyl chloride

: 17897-96-0
chloro-tri-n-propoxy-silane

Conditions

Conditions	Yield
at 185℃;

: 682-01-9
tetrapropoxysilane

: 90-15-3
α-naphthol

: 18677-10-6
α-Naphthyloxy-tripropyloxy-silan

Conditions

Conditions	Yield
With sodium Heating;

: 682-01-9
tetrapropoxysilane

: 90-15-3
α-naphthol

: 18884-95-2
Di-α-naphthyloxy-dipropyloxy-silan

Conditions

Conditions	Yield
With sodium Heating;

: 682-01-9
tetrapropoxysilane

: 90-15-3
α-naphthol

: 18763-39-8
Tri-α-naphthyloxy-propyloxy-silan

Conditions

Conditions	Yield
With sodium Heating;

: 682-01-9
tetrapropoxysilane

: 18141-43-0
dichloro-di-n-propoxy-silane

Conditions

Conditions	Yield
With tetrachlorosilane at 160℃; for 30h;

: 682-01-9
tetrapropoxysilane

: 107-46-0
Hexamethyldisiloxane

A: 3555-47-3
1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)trisiloxane

B: 18082-57-0
Dipropyloxy-bis-trimethylsilyloxy-silan

C: C12H30O4Si2

D: C12H34O4Si4

Conditions

Conditions	Yield
With Amberlyst 15 cation-exchange resin at 40℃; for 85h;

...Expand

Tetrapropoxysilane Specification

The systematic name of Silicic acid (H₄SiO₄),tetrapropyl ester is tetrapropyl orthosilicate. With the CAS registry number 682-01-9, it is also named as Tetrapropoxysilane. The product's categories are Silicate; Si (Classes of Silicon Compounds); Si-O Compounds; Tetraalkoxysilanes; Crosslinkers; Crosslinking Agents; Orthosilicate. It is colorless transparent liquid which is sensitive to moisture. Additionally, this chemical should be sealed in the container which is filled with inert gas and stored in the cool and dry place.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 7.23; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.22; (4)ACD/LogD (pH 7.4): 7.22; (5)ACD/BCF (pH 5.5): 182371.81; (6)ACD/BCF (pH 7.4): 182371.81; (7)ACD/KOC (pH 5.5): 202940.95; (8)ACD/KOC (pH 7.4): 202940.95; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 12; (12)Polar Surface Area: 36.92 ?2; (13)Index of Refraction: 1.423; (14)Molar Refractivity: 73.34 cm³; (15)Molar Volume: 287.8 cm³; (16)Polarizability: 29.07×10^-24 cm³; (17)Surface Tension: 25.6 dyne/cm; (18)Density: 0.918 g/cm³; (19)Flash Point: 95 °C; (20)Enthalpy of Vaporization: 44.2 kJ/mol; (21)Boiling Point: 224.3 °C at 760 mmHg; (22)Vapour Pressure: 0.137 mmHg at 25°C.

Uses of Silicic acid (H₄SiO₄),tetrapropyl ester: It is an important organic silicon coupling agent and crosslinking agent used in paints, coatings, silicone rubber and processing of inorganic materials.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection.

People can use the following data to convert to the molecule structure.
1. SMILES:O(CCC)[Si](OCCC)(OCCC)OCCC
2. InChI:InChI=1/C12H28O4Si/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4/h5-12H2,1-4H3
3. InChIKey:ZQZCOBSUOFHDEE-UHFFFAOYAL

Product Name

Tetrapropoxysilane

Synthetic route

Tetrapropoxysilane Specification

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