USD $15.00-50.00 / Kilogram
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USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $15.00-50.00 / Kilogram
product name: | octamethylcyclotetrasiloxane |
synonyms: | dimethylsiloxane cyclic tetramer;d4;octamethylcyclotetrasiloxane;octamethyltetrasiloxane;volasil(tm) 244;2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;co9810;cyclicdimethylsiloxanetetramer |
cas: | 556-67-2 |
mf: | c8h24o4si4 |
mw: | 296.62 |
einecs: | 209-136-7 |
product categories: | siloxanes;silicone series;silicon compounds;organics;si (classes of silicon compounds);si-o compounds;intermediates & fine chemicals;isotope labeled compounds;pharmaceuticals;self assembly&contact printing;self-assembly materials;silanesorganometallic reagents;organometallic reagents;organosilicon;chemical synthesis;contact printing;materials science;micro/nanoelectronics;organometallic reagents;self assembly &;self-assembly materials;silanes |
mol file: | 556-67-2.mol |
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1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.customs synthesis
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octamethylcyclotetrasiloxane chemical properties |
mp | 17-18 °c(lit.) |
bp | 175-176 °c(lit.) |
density | 0.956 g/ml at 25 °c(lit.) |
vapor density | 1 (vs air) |
refractive index |
n |
fp | 140 °f |
storage temp. | 2-8°c |
water solubility | insoluble |
sensitive | moisture sensitive |
merck | 14,6747 |
brn | 1787074 |
cas database reference | 556-67-2(cas database reference) |
nist chemistry reference | cyclotetrasiloxane, octamethyl-(556-67-2) |
epa substance registry system | cyclotetrasiloxane, octamethyl-(556-67-2) |
safety information |
hazard codes | xn |
risk statements | 53-62-10 |
safety statements | 36/37-46-51-61 |
ridadr | un 1993 3/pg 3 |
wgk germany | 1 |
rtecs | gz4397000 |
tsca | yes |
hazardclass | 3 |
packinggroup | iii |
hazardous substances data | 556-67-2(hazardous substances data) |
octamethylcyclotetrasiloxane usage and synthesis |
chemical properties | colorless clear liquid |
usage | fungicide |