Skip to Content
MilliporeSigma

8.14750

Octamethylcyclotetrasiloxane

for synthesis

Synonym(s):

Octamethylcyclotetrasiloxane, Octamethyltetrasiloxane

Sign In to View Organizational & Contract Pricing

Select a Size

25 ML

$38.77

100 ML

$150.00

250 ML

$180.75

$38.77

List Price$51.70Save 25%

Check Cart for Availability

Request a Bulk Order

About This Item

Empirical Formula (Hill Notation):
C8H24O4Si4
CAS Number:
Molecular Weight:
296.62
MDL number:
UNSPSC Code:
12352103
EC Index Number:
209-136-7
NACRES:
NA.22

Skip To

Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

vapor pressure

1.3 hPa ( 20 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

autoignition temp.

400 °C

potency

>2000 mg/kg LD50, oral (Rat)
>2400 mg/kg LD50, skin (Rat)

expl. lim.

0.4-11.7 % (v/v)

kinematic viscosity

1.6 cSt(20 °C)

bp

176 °C/1013 hPa

mp

18 °C

transition temp

flash point 51 °C

solubility

<0.001 g/L (Hydrolysis)

density

0.95 g/cm3 at 25 °C

storage temp.

2-30°C

SMILES string

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

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

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Refractive index (n 25°/D): 1.394 - 1.395
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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

Questions

Reviews

No rating value

Active Filters

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