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76840

Sigma-Aldrich

Pentamethyldisiloxane

≥95.0%

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About This Item

Empirical Formula (Hill Notation):
C5H16OSi2
CAS Number:
1438-82-0
Molecular Weight:
148.35
Beilstein/REAXYS Number:
1734568
EC Number:
215-873-5
MDL number:
MFCD00053658
UNSPSC Code:
12352103
PubChem Substance ID:
57652660
NACRES:
NA.22

Quality Level

100

assay

≥95.0%

form

liquid

refractive index

n20/D 1.373

bp

86 °C (lit.)

density

0.760 g/mL at 20 °C (lit.)

SMILES string

[H][Si](C)(C)O[Si](C)(C)C

InChI

1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3

InChI key

AOJHDNSYXUZCCE-UHFFFAOYSA-N

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Related Categories

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

pcodes

P210

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-2.2 °F - closed cup

flash_point_c

-19 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCCF6939
BCCB8883
BCBV4582
BCBT8838
BCBS6442V

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Sijia Zheng et al.
Molecules (Basel, Switzerland), 24(22) (2019-11-17)
Low molecular weight, highly crosslinked silicone resins are widely used as reinforcing agents for highly transparent elastomers and adhesion/tack promoters in gels. The resins are complex mixtures and their structure / property relationships are ill defined. We report the synthesis

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