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679240

Sigma-Aldrich

Tetrapropyl orthosilicate

≥98%, deposition grade

Synonym(s):

Tetrapropoxysilane

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About This Item

Linear Formula:
(CH3CH2CH2O)4Si
CAS Number:
682-01-9
Molecular Weight:
264.43
Beilstein:
1706115
EC Number:
211-659-0
MDL number:
MFCD00009364
UNSPSC Code:
12352103
PubChem Substance ID:
24885479
NACRES:
NA.23

grade

deposition grade

Quality Level

100

vapor density

>1 (vs air)

Assay

≥98%

form

liquid

refractive index

n20/D 1.4 (lit.)

bp

94 °C/5 mmHg (lit.)

density

0.916 g/mL at 25 °C (lit.)

SMILES string

CCCO[Si](OCCC)(OCCC)OCCC

InChI

1S/C12H28O4Si/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4/h5-12H2,1-4H3

InChI key

ZQZCOBSUOFHDEE-UHFFFAOYSA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

203.0 °F - closed cup

Flash Point(C)

95 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN5568
MKCL4621
MKCG5215
MKCB1592V
MKBW6295V

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