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A15240 Octamethylcyclotetrasiloxane, 98%

Numéro de CAS
556-67-2
Synonymes

Stock No. Conditionnement Prix ($) Quantité Disponibilité
A15240-22 100g 68,70
A15240-36 500g 248,00
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Octamethylcyclotetrasiloxane, 98%

MDL
MFCD00003269
EINECS
209-136-7

Propriétés chimiques

Formule
C8H24O4Si4
Poids moleculaire
296.62
Point de fusion
17-18°
Point d'ébullition
175-176°
Point d'éclair
56°(132°F)
Densité
0.956
Indice de réfraction
1.3960
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Solubilité
Immiscible with water.

Applications

Octamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees of polymerization through ring opening and polymerizing. It is also widely used in various fields viz. construction, electronics, textile, automobile, personal care, food, and machining. It is an organometallic reagent utilized for the preparation of siloxane polymers having high surface-hydrophobicity restoration.

Notes

Incompatible with strong oxidizing agents, acids and bases.

Références bibliographiques

Useful for deactivating glass GC capillary columns.

Sigot, L.; Ducom, G.; Germain, P. Adsorption of octamethylcyclotetrasiloxane (D4) on silica gel (SG): Retention mechanism. Microporous Mesoporous Mater. 2015, 213, 118-124.

Tugui, C.; Cazacu, M.; Sacarescu, L.; Bele, A.; Stiubianu, G.; Ursu, C.; Racles, C. Full silicone interpenetrating bi-networks with different organic groups attached to the silicon atoms. Polymer 2015, 77, 312-322.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H226-H302-H312-H360

Flammable liquid and vapour. Harmful if swallowed. Harmful in contact with skin. May damage fertility or the unborn child.

Mentions de prudence: P201-P202-P210-P233-P240-P241-P242-P243-P264b-P270-P281-P301+P312-P303+P361+P353-P308+P313-P312-P330-P363-P370+P378q-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use personal protective equipment as required. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF exposed or concerned: Get medical advice/attention. Rinse mouth. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Autres références

Merck
14,6747
Beilstein
1787074
Classe de danger
3
Groupe d'emballage
III
Code tarifaire harmonisé
2934.99
TSCA
Yes
RTECS
GZ4397000

Recommandé

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    Chlorodimethylsilane, 97%
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    Hexamethylcyclotrisiloxane, 97%
  • B23697

    1,1,3,3-Tetramethyldisiloxane, 97%
  • L16970

    Hexamethyldisiloxane, NMR grade, 99.7%
  • 42412

    Decamethylcyclopentasiloxane, 97%

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