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814750 Octamethylcyclotetrasiloxane

Octamethylcyclotetrasiloxane for synthesis. CAS 556-67-2, molar mass 296.62 g/mol.

Octamethylcyclotetrasiloxane MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Octamethyltetrasiloxane

CAS #: 556-67-2 EC Number: 209-136-7 Molar Mass: 296.62 g/mol Hill Formula: C₈H₂₄O₄Si₄
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814750
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
556-67-2209-136-7C₈H₂₄O₄Si₄296.62 g/mol

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      Description
      Catalogue Number814750
      SynonymsOctamethyltetrasiloxane
      References
      Product Information
      CAS number556-67-2
      EC index number014-018-00-1
      EC number209-136-7
      Hill FormulaC₈H₂₄O₄Si₄
      Molar Mass296.62 g/mol
      HS Code2931 90 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      ApplicationOctamethylcyclotetrasiloxane for synthesis. CAS 556-67-2, molar mass 296.62 g/mol.
      Biological Information
      Physicochemical Information
      Boiling point176 °C (1013 hPa)
      Density0.95 g/cm3 (25 °C)
      Explosion limit0.4 - 11.7 %(V)
      Flash point51 °C
      Ignition temperature400 °C
      Melting Point18 °C
      Vapor pressure1.3 hPa (20 °C)
      Viscosity kinematic1.6 mm2/s (20 °C)
      Solubility<0.001 g/l Hydrolysis
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat > 2000 mg/kg
      LD 50 dermalLD50 Rat > 2400 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H226: Flammable liquid and vapour.
      H361f: Suspected of damaging fertility.
      H410: Very toxic to aquatic life with long lasting effects.
      Precautionary Statement(s)P201: Obtain special instructions before use.
      P202: Do not handle until all safety precautions have been read and understood.
      P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
      P273: Avoid release to the environment.
      P391: Collect spillage.
      P501: Dispose of contents/ container to an approved waste disposal plant.
      Signal WordDanger
      RTECSGZ4397000
      Storage class3 Flammable liquids
      WGKWGK 3 highly hazardous to water
      Disposal3
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Categories of dangerdangerous for the environment, toxic for reproduction
      Product Usage Statements
      Storage and Shipping Information
      StorageStore below +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1993 , 3, II
      Declaration (transport by air) IATA-DGRUN 1993 , 3, II
      Declaration (transport by sea) IMDG-CodeUN 1993 , 3, II
      Supplemental Information
      Specifications
      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.
      Global Trade Item Number
      Catalogue Number GTIN
      8147500025 04022536689944

      Documentation

      Octamethylcyclotetrasiloxane SDS

      Title

      Safety Data Sheet (SDS) 

      Octamethylcyclotetrasiloxane Certificates of Analysis

      Product Number PackagingSpecificationLot Number
      8147500025 Glass bottlePDF Specification Document

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      Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Organoelement Compounds > Silicium Compounds
      Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Organoelement Compounds > Silicium Compounds