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423815

Diethylsilane

99%

Synonym(s):

3-Silapentane

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5 mL

Estimated to ship onAugust 14, 2026fromMILWAUKEE

$90.30
25 mL

Available to ship TODAYfromMILWAUKEE

$338.00

About This Item

Linear Formula:
(C2H5)2SiH2
CAS Number:
542-91-6
Molecular Weight:
88.22
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
24866532
EC Number:
208-834-9
Beilstein/REAXYS Number:
1730902
MDL number:
MFCD00039877

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Estimated to ship onAugust 14, 2026Details

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Quality Level

100

assay

99%

form

liquid

refractive index

n20/D 1.391 (lit.)

bp

56 °C (lit.)

density

0.681 g/mL at 25 °C (lit.)

SMILES string

CC[SiH2]CC

InChI

1S/C4H12Si/c1-3-5-4-2/h3-5H2,1-2H3

InChI key

UCXUKTLCVSGCNR-UHFFFAOYSA-N

Application

Reagent employed in the chemical vapor deposition of SiO2 for microelectronics.

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This Item
184675371890P42053
Diethylsilane 99%

Sigma-Aldrich

423815

Diethylsilane

3-Methylstyrene 99%, contains 0.1% 3,5-di-tert-butylcatechol as inhibitor

Sigma-Aldrich

184675

3-Methylstyrene

3-Aminopropyl(diethoxy)methylsilane 97%

Sigma-Aldrich

371890

3-Aminopropyl(diethoxy)methylsilane

3-Methylpyridine 99%

Sigma-Aldrich

P42053

3-Methylpyridine

assay

99%

assay

99%

assay

97%

assay

99%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

300

density

0.681 g/mL at 25 °C (lit.)

density

0.89 g/mL at 25 °C (lit.)

density

0.916 g/mL at 25 °C (lit.)

density

0.957 g/mL at 25 °C (lit.)

bp

56 °C (lit.)

bp

170-171 °C (lit.)

bp

85-88 °C/8 mmHg (lit.)

bp

144 °C (lit.)

refractive index

n20/D 1.391 (lit.)

refractive index

n20/D 1.541 (lit.)

refractive index

n20/D 1.426 (lit.)

refractive index

n20/D 1.504 (lit.)

form

liquid

form

liquid

form

liquid

form

-

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

pcodes

P210

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-4.0 °F - closed cup

flash_point_c

-20 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS8181
SHBS4930
SHBR3182
SHBR4743
SHBQ3465

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Chemistry of Materials, 5, 1710-1710 (1993)

Global Trade Item Number

SKUGTIN
423815-25ML04061837837708
423815-5ML04061837837715

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