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679240

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
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
24885479
EC Number:
211-659-0
Beilstein/REAXYS Number:
1706115
MDL number:
MFCD00009364
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grade

deposition grade

Quality Segment

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 Codes

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

203.0 °F - closed cup

Flash Point (°C)

95 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 4: Flammable liquids + Type 3 petroleums + Hazardous rank III + Water insoluble liquid

fsl

679240-BULK: + 679240-50G: + 679240-VAR:

jan

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