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Molekula

Molekula

Simethicon - USP CRS

SKU 90037548 CAS 8050-81-5 C6H18O4Si3 MW 238.46 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Simethicon USP CRS is a silicone-based defoaming agent used primarily in pharmaceuticals, cosmetics, and food products to reduce gas bubbles and improve texture. It is a polydimethylsiloxane blend with high defoaming efficiency and is compliant with United States Pharmacopeia (USP) standards for chemical reference substances. This product has a CAS number of 8050-81-5, molecular formula C6H18O4Si3, and a molecular weight of 238.46. It requires storage between 2 to 8 degrees Celsius and carries no signal word for hazard classification. Molekula supplies Simethicon USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
90037548
CAS Number
8050-81-5
IUPAC Name
dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane
Molecular Formula
C6H18O4Si3
Molecular Weight
238.46
Exact Mass
238.0513
SMILES
CO[Si](C)(C)O[Si](C)(C)C.O=[Si]=O
InChIKey
AMTWCFIAVKBGOD-UHFFFAOYSA-N
InChI
InChI=1S/C6H18O2Si2.O2Si/c1-7-10(5,6)8-9(2,3)4;1-3-2/h1-6H3;
PubChem CID
6433516

Synonyms

  • 3,3,5,5-tetramethyl-2,4-dioxa-3,5-disilahexane; silanedione
  • dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane
  • Mylanta Gas Relief
  • Mylicon Infant's Drops
  • Sentry Simethicone
  • Sentry Simethicone Emulsion
  • Simethicon
  • Simethicone
  • Simethicone(200)
  • Simethicone(500)

Literature values

Published physical properties of the substance, not batch specifications.

Appearance
Gray, translucent, viscous liquid
Water Solubility
Insoluble in water
Refractive Index
1.4040

Source: PubChem CID 6433516 (HSDB)

See the other grade of CAS 8050-81-5 →

Frequently asked questions

What is simethicon (USP CRS) used for?

Simethicon USP CRS is primarily used as an antifoaming agent in pharmaceutical formulations, cosmetics, and food products to reduce gas bubbles.

What is the chemical formula and molecular weight of simethicon?

The chemical formula is **C6H18O4Si3**, and the molecular weight is **238.46 g/mol**.

How should simethicon be stored?

Store simethicon at **2 to 8°C** in a cool, dry place, away from direct sunlight.

What grade of simethicon does Molekula supply?

Molekula supplies **USP CRS (United States Pharmacopeia Chemical Reference Substance)** grade simethicon.

Can Molekula supply simethicon in bulk quantities?

Yes, Molekula can supply simethicon in bulk, with quantities tailored to your specific requirements.

What documentation comes with an order of simethicon?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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