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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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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, III
              Declaration (transport by air) IATA-DGRUN 1993 , 3, III
              Declaration (transport by sea) IMDG-CodeUN 1993 , 3, III
              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
              8147500100 04022536689951
              8147500250 04022536689968

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              Categories

              Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Products for Pharma > Organic Synthesis Building Blocks and Reagents for Pharma > Organoelement Compounds > Silicium Compounds
              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