86578

Tetraethyl orthosilicate

≥99.0% (GC)

Manufacturer: Sigma Aldrich

CAS Number: 78-10-4

Synonym(S): Orthosilicic acid tetraethyl ester, Silicon tetraethoxide, TEOS, Tetraethoxysilane, Tetraethoxysilicon(IV), Tetraethyl silicate

Select a Size

Pack Size SKU Availability Price
250 ML 86578-250-ML In Stock ₹ 4,752.18
1 L 86578-1-L In Stock ₹ 12,113.18

86578 - 250 ML

₹ 4,752.18

In Stock

Quantity

1

Base Price: ₹ 4,752.18

GST (18%): ₹ 855.392

Total Price: ₹ 5,607.572

vapor density

7.2 (vs air)

Quality Level

200

vapor pressure

<1 mmHg ( 20 °C)

Assay

≥99.0% (GC)

form

liquid

refractive index

n20/D 1.382 (lit.)n20/D 1.383

bp

168 °C (lit.)

density

0.933 g/mL at 20 °C (lit.)

SMILES string

CCO[Si](OCC)(OCC)OCC

InChI

1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

Other Options

Image Product Name Manufacturer Price Range
50-183-5505
Sigma Aldrich Fine Chemicals Biosciences Tetraethyl orthosilicate >=99.0% (GC) | 78-10-4 | MFCD00009062 | 250ML
Sigma Aldrich Fine Chemicals Biosciences ₹ 6,382.78
50-183-5499
Sigma Aldrich Fine Chemicals Biosciences Tetraethyl orthosilicate reagent grade, 98% | 78-10-4 | MFCD00009062 | 25ML
Sigma Aldrich Fine Chemicals Biosciences ₹ 4,534.68
50-183-5500
Sigma Aldrich Fine Chemicals Biosciences Tetraethyl orthosilicate | 78-10-4 | MFCD00009062 | 500ml
Sigma Aldrich Fine Chemicals Biosciences ₹ 5,142.16
50-183-5498
Sigma Aldrich Fine Chemicals Biosciences Tetraethyl orthosilicate reagent grade | 78-10-4 | MFCD00009062 | 1l
Sigma Aldrich Fine Chemicals Biosciences ₹ 7,503.61
131903
Tetraethyl orthosilicate
Sigma Aldrich ₹ 2,110.88 - ₹ 14,191.58
333859
Tetraethyl orthosilicate
Sigma Aldrich ₹ 8,486.80 - ₹ 19,181.90
759414
Tetraethyl orthosilicate
Sigma Aldrich ₹ 50,682.65
131903
Tetraethyl orthosilicate
Sigma Aldrich ₹ 2,110.88 - ₹ 14,191.58
333859
Tetraethyl orthosilicate
Sigma Aldrich ₹ 8,486.80 - ₹ 19,181.90
8.00658
Tetraethyl orthosilicate
Sigma Aldrich ₹ 10,200.00 - ₹ 1,06,430.00

Related Products

Img

Sigma Aldrich

679240

≥98%, deposition grade...

Img

Sigma Aldrich

86717

≥97.0% (GC)...

Img

Sigma Aldrich

90795

≥99.0% (T)...

Img

Sigma Aldrich

T5702

97%...

Img

Sigma Aldrich

92749

≥95.0% (GC)...

Img

Sigma Aldrich

69471

purum, ≥98.0% (GC)...

Img

Sigma Aldrich

699713

≥95%...

Img

Sigma Aldrich

679275

≥98%, deposition grade...

Description

  • General description: Tetraethyl orthosilicate (TEOS) is an inorganic material that can be used as a silica source for the synthesis of silica-based materials such as silicon dioxide,[1] silicon oxycarbides,[2] silanol,[3] siloxane polymer,[4] and organosilicon thin films[5] for a variety of applications. It can also be used in the synthesis of blended membranes, and the production of aerogel.[6] Other applications include coatings for carpets and other objects.[7]
  • Application: Tetraethyl orthosilicate (TEOS) can be used:As a reagent along with ferric chloride in the synthesis of dihydropyrimidinones.[8] As a modifier in fabrication of humidity sensing material, poly(2-acrylamido-2-methylpropane sulfonate) (poly-AMPS).[9]As a medium to synthesize triarylamines and diaryl ethers via copper catalyzed, ligand free-Ullmann reaction.[10]As a precursor for the preparation of silica xerogel which finds application in pharmaceutical drug carriers.[11]As a precursor for the synthesis of spherical silica particles by Stober process.[12]

SAFETY INFORMATION

Pictograms

GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H319,H332,H335

Precautionary Statements

P210 - P233 - P240 - P241 - P304 + P340 + P312 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Compare Similar Items

Show Difference

Img

Sigma Aldrich

86578

≥99.0% (GC)...


vapor density:
7.2 (vs air)

Quality Level:
200

vapor pressure:
<1 mmHg ( 20 °C)

Assay:
≥99.0% (GC)

form:
liquid

refractive index:
n20/D 1.382 (lit.)n20/D 1.383

bp:
168 °C (lit.)

density:
0.933 g/mL at 20 °C (lit.)

SMILES string:
CCO[Si](OCC)(OCC)OCC

InChI:
1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

Img

Sigma Aldrich

86600

technical, ≥95% (T)...


vapor density:
__

Quality Level:
__

vapor pressure:
__

Assay:
≥95% (T)

form:
crystals

refractive index:
__

bp:
__

density:
__

SMILES string:
[BH4-].CC[N+](CC)(CC)CC

InChI:
1S/C8H20N.BH4/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H4/q+1;-1

Img

Sigma Aldrich

86605

≥98.0%...


vapor density:
__

Quality Level:
100

vapor pressure:
__

Assay:
≥98.0%

form:
crystals

refractive index:
__

bp:
__

density:
__

SMILES string:
O.[Cl-].CC[N+](CC)(CC)CC

InChI:
1S/C8H20N.ClH.H2O/c1-5-9(6-2,7-3)8-4;;/h5-8H2,1-4H3;1H;1H2/q+1;;/p-1

Img

Fischer Scientific

8661-1

--


vapor density:
__

Quality Level:
__

vapor pressure:
__

Assay:
__

form:
__

refractive index:
__

bp:
__

density:
__

SMILES string:
__

InChI:
__