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1228075

USP

Heptamethyl trisiloxane

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

1,1,1,3,5,5,5-Heptamethyltrisiloxane

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About This Item

Linear Formula:
[(CH3)3SiO]2SiHCH3
CAS Number:
1873-88-7
Molecular Weight:
222.50
Beilstein:
1748455
MDL number:
MFCD00048000
UNSPSC Code:
41116107
PubChem Substance ID:
329749686
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

simethicone

manufacturer/tradename

USP

refractive index

n20/D 1.382 (lit.)

bp

142 °C (lit.)

density

0.819 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

15-25°C

SMILES string

C[SiH](O[Si](C)(C)C)O[Si](C)(C)C

InChI

1S/C7H22O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h10H,1-7H3

InChI key

QNWOFLWXQGHSRH-UHFFFAOYSA-N

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General description

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.

Application

Heptamethyl trisiloxane USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

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.

related product

Product No.
Description
Pricing

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

71.6 °F

Flash Point(C)

22 °C

Regulatory Information

危险化学品

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’.

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