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2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE

CAS No. 2370-88-9
Chemical Name: 2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE
Synonyms: H-4;H4R;HH4R;TMCTS;SP9144;GPRv53;Tetramethylcyclotetrasiloxane;1,3,5,7-Cyclotetra(methylsiloxane);1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE;2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE
CBNumber: CB1453337
Molecular Formula: C4H16O4Si4
Formula Weight: 240.51
MOL File: 2370-88-9.mol
2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE Property
Melting point : −69 °C(lit.)
Boiling point : 134 °C(lit.)
density : 0.986 g/mL at 25 °C(lit.)
refractive index : n20/D 1.387(lit.)
Fp : 76 °F
storage temp. : Flammables area
Water Solubility : Miscible with most organic solvents. Immiscible with water.
Sensitive : Moisture Sensitive
BRN : 1787074
CAS DataBase Reference: 2370-88-9(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes : Xi
Risk Statements : 10-36
Safety Statements : 16-26-36
RIDADR : UN 1993 3/PG 3
WGK Germany : 3
F : 10-21
TSCA : Yes
HazardClass : 3
PackingGroup : III
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE Chemical Properties,Usage,Production

Chemical Properties
Colorless or yellowish transparent liquid
Uses
2,4,6,8-Tetramethylcyclotetrasiloxane can occur addition reaction with unsaturated alkenes, so it’s utilized widely to synthesize variety functional reactive silicone fluids which is used to form silicone block copolymer, or used as crosslinker of vinyl addition silicone rubber. Tetramethyl-cyclotetrasiloxane is a good impregnant of photoelectric material. It is used to manufacture of modified siloxane with defined hydrogen content and chain quantity. It is also used in production of silicone polymers and acts as a precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, oxycarbide thin films with low dielectric constant for microelectronics and semiconductors.
2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE Preparation Products And Raw materials
Raw materials
Preparation Products
2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE Suppliers      Global( 94)Suppliers     
Supplier Tel Fax Email Country ProdList Advantage
Jiangxi New jiayi New Materials Co., Ltd. 15988280056
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Kingfirst Chemical (Nanjing) Co.,Ltd +86-025-84522992 84524602 13805186390
+86 025 84521617 marketing@kingfirstchem.com China 60 58
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TCI (Shanghai) Development Co., Ltd. 800-988-0390
021-67121385 sales@tcishanghai.com.cn China 22833 81
BeiJing Hwrk Chemicals Limted 4006990298;010-57411839;0757-86311057;021-51691807
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Secco work (Beijing) chemical technology co., LTD 010-69755668;
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2370-88-9(2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE)Related Search:
heptamethylphenylcyclotetrasiloxane HEPTAMETHYL CYCLOTETRASILOXANE 1-[2-(5-NORBORNEN-2-YL)ETHYL]-3,5,7,9,11,13,15-HEPTACYCLOPENTYLPENTACYCLO[9.5.1.1(3,9).1(5,15).1(7,13)]OCTASILOXANE Octaphenylcyclotetrasiloxane 1,3,5,7,9,11,13-HEPTACYCLOPENTYL-15-[2-(DIPHENYLPHOSPHINO)ETHYL]PENTA-CYCLO[9.5.1.1(3,9).1(5,15).1(7,13)]OCTASILOXANE TETRAETHYLCYCLOTETRASILOXANE Chloromethylheptamethylcyclotetrasiloxane 1,1,3,3-Tetramethyltetraphenylcyclotetrasiloxane 1,3,5,7,9,11,13-HEPTACYCLOPENTYL-15-GLYCIDYLPENTA-CYCLO[9.5.1.1(3,9).1(5,15).1(7,13)]OCTASILOXANE quadrosilan 1,3,5,7,9,11,14-HEPTACYCLOPENTYLTRICYCLO[7.3.3.1(5,11)]HEPTASILOXANE-ENDO-3,7,14-TRIOL 2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE 1-ALLYL-3,5,7,9,11,13,15-HEPTACYCLOPENTYLPENTACYCLO[9.5.1.1(3,9).1(5,15).1(7,13)]OCTA-SILOXANE OCTAETHYLTETRASILOXANE 1,3,5,7-TETRAKIS(3,3,3-TRIFLUOROPROPYL)1,3,5,7-TETRAMETHYLCYCLOSILOXANES Octamethylcyclotetrasiloxane 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane,2,4,6,8-tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxan PLATINUM CARBONYL CYCLOVINYLMETHYLSILOXANE COMPLEX
2,4,6,8-tetramethylcyclotetrasiloxane,mixtureofisomers Cyclotetrasiloxane, 2,4,6,8-tetramethyl- Tetramethylcyclotetrasiloxane 2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE, 9 9.5+% C4H16O4Si4 1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE (2% CHLOROSILANE STABILIZED) C4H18O4Si4 1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE 95+% Siloxanes HSiCH3O4 2,4,6,8-Tetramethylcyclotetrasiloxane, 95%, mixture of isomers 1,3,5,7-Tetramethyl-2,4,6,8-tetraoxa-1,3,5,7-tetrasilacyclooctane 2,4,6,8-Tetramethylcyclooctanetetrasiloxane 2,4,6,8-Tetramethylcyclooctatetrasiloxane H-4 2,4,6,8-Tetramethylcyclotetrasiloxane,95% 1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE 99+% (D4H) 1,3,5,7-tetraMethylcyclotetrasiloxane 2,4,6,8-TetraMethylcyclotetrasiloxane 1,3,5,7-Cyclotetra(methylsiloxane) SP9144 Anti-HRH4 (N-terminal) antibody produced in rabbit GPRv53 H4R HH4R 1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE 2370-88-9 2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE TMCTS Organosilicon Organometallic Reagents Siloxanes 1,2,5,7-Tetramethylcyclotetrasiloxane 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 2,4,6,8-tetramethyl-cyclotetrasiloxan
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