Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

O0761

Sigma-Aldrich

Octamethylcyclotetrasiloxane

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
[-Si(CH3)2O-]4
CAS Number:
Molecular Weight:
296.62
Beilstein/REAXYS Number:
1787074
EC Number:
MDL number:
UNSPSC Code:
12352103

vapor density

1 (vs air)

form

liquid

refractive index

n20/D 1.396 (lit.)

bp

175-176 °C (lit.)

mp

17-18 °C (lit.)

density

0.956 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1

InChI

1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3

InChI key

HMMGMWAXVFQUOA-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

replaced by

Product No.
Description
Pricing

signalword

Warning

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 3 - Repr. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

123.8 °F - closed cup

flash_point_c

51 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service