Skip to Content
Merck
CN

76840

Pentamethyldisiloxane

≥95.0%

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C5H16OSi2
CAS Number:
Molecular Weight:
148.35
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
EC Number:
215-873-5
Beilstein/REAXYS Number:
1734568
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


Quality Segment

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



pictograms

Flame

signalword

Danger

hcodes

pcodes

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

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



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library