CAS No.682-01-9,Tetrapropoxysilane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	682-01-9
Name:	Tetrapropoxysilane
Article Data:	31

Formula:	C₁₂H₂₈O₄Si
Molecular Weight:	264.437
Synonyms:	Propylsilicate ((PrO)4Si) (7CI);Propyl silicate (6CI);Dynasil P;Propylorthosilicate;Silane, tetrapropoxy-;Silicon orthopropoxide;Silicontetrapropoxide;Tetra-n-propoxysilane;Tetrapropoxysilane;Tetrapropylorthosilicate;Tetrapropyl silicate;
EINECS:	211-659-0
Density:	0.918 g/cm³
Melting Point:	<-80°C
Boiling Point:	224.3 °C at 760 mmHg
Flash Point:	95 °C
Solubility:	78mg/L at 20℃
Appearance:	Colorless transparent liquid
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36-37/39
Transport Information:	UN 1993
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

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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