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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
814750
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Overview

Replacement Information

Key Spec Table

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

Products

Catalogue NumberPackaging Qty/Pack
8147500025 Glass bottle 25 ml
8147500100 Glass bottle 100 ml
8147500250 Glass bottle 250 ml
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)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.
P233: Keep container tightly closed.
P240: Ground and bond container and receiving equipment.
P273: Avoid release to the environment.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal WordWarning
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
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