43883

Octamethylcyclotetrasiloxane

analytical standard

• Linear Formula: [-Si(CH₃)₂O-]₄
• CAS Number: 556-67-2
• Molecular Weight: 296.62
• Beilstein: 1787074
• EC Number: 209-136-7
• MDL number: MFCD00003269
• UNSPSC Code: 77101502
• PubChem Substance ID: 329756418
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• vapor density: 1 (vs air)
• Assay: ≥97.0% (GC)
• form: liquid
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• 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): cleaning products; cosmetics; environmental; food and beverages; personal care
• format: neat
• 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

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety Information

• Pictograms: GHS02,GHS08,GHS09
• Signal Word: Warning
• Hazard Statements: H226,H361f,H410
• Precautionary Statements: P202 - P210 - P233 - P240 - P273 - P308 + P313
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 3 - Repr. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 123.8 °F - closed cup
• Flash Point(C): 51 °C - closed cup