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Cyclomethicone 4

Name: Cyclomethicone 4
Brand: USP
Price: 370.5 USD
Availability: InStock

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Octamethylcyclotetrasiloxane

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200 mg	Available to ship TODAYfromMILWAUKEE	$494.00 $370.50

About This Item

Linear Formula:

[-Si(CH₃)₂O-]₄

CAS Number:

556-67-2

Molecular Weight:

296.62

UNSPSC Code:

41116107

NACRES:

NA.24

PubChem Substance ID:

329749481

MDL number:

MFCD00003269

Beilstein/REAXYS Number:

1787074

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Properties

grade

pharmaceutical primary standard

agency

USP

vapor density

1 (vs air)

API family

cyclomethicone

form

liquid

manufacturer/tradename

USP

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.)

application(s)

pharmaceutical
pharmaceutical (small molecule)

format

neat

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

Description

General description

Find answers to frequently asked questions on USP products in USP FAQs.

This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.

Other Notes

Sales restrictions may apply.

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1 of 1

This Item	PHR1565	235695	43883
USP 1154707 Cyclomethicone 4	Supelco PHR1565 D4 Cyclomethicone	Sigma-Aldrich 235695 Octamethylcyclotetrasiloxane	Supelco 43883 Octamethylcyclotetrasiloxane
description United States Pharmacopeia (USP) Reference Standard	description Pharmaceutical Secondary Standard; Certified Reference Material	description 98%	description analytical standard
manufacturer/tradename USP	manufacturer/tradename -	manufacturer/tradename -	manufacturer/tradename -
grade pharmaceutical primary standard	grade certified reference material, pharmaceutical secondary standard	grade -	grade analytical standard
form liquid	form liquid	form liquid	form liquid
format neat	format neat	format -	format neat
application(s) pharmaceutical (small molecule)	application(s) pharmaceutical (small molecule)	application(s) -	application(s) cleaning products cosmetics environmental food and beverages personal care
API family cyclomethicone	API family cyclomethicone	API family -	API family -

Pictograms

GHS02,GHS08,GHS09

Storage Class

3 - Flammable liquids

Flash Point (°F)

123.8 °F - closed cup

Flash Point (°C)

51 °C - closed cup

Signal Word

Danger

Hazard Codes

H226,H361f,H410,EUH441

Precautionary Statements

P201 - P202 - P210 - P273 - P391 - P501

Hazard Classifications

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

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