74811
八甲基环四硅氧烷
purum, ≥99.0% (GC)
别名:
2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, 2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane, Cyclic dimethylsiloxane tetramer
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关于此项目
线性分子式:
[-Si(CH3)2O-]4
化学文摘社编号:
分子量:
296.62
EC Number:
209-136-7
UNSPSC Code:
12352300
PubChem Substance ID:
Beilstein/REAXYS Number:
1787074
MDL number:
vapor density
1 (vs air)
grade
purum
assay
≥99.0% (GC)
form
liquid
refractive index
n20/D 1.396
bp
175-176 °C (lit.)
mp
17-18 °C (lit.)
density
0.956 g/mL at 25 °C (lit.)
SMILES string
C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
InChI
1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3
InChI key
HMMGMWAXVFQUOA-UHFFFAOYSA-N
Other Notes
用于去活气相色谱玻璃毛细管柱表面的试剂
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signalword
Warning
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 3 - Repr. 2
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
123.8 °F - closed cup
flash_point_c
51 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
新产品
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W. Bertsch et al.
HRC & CC. Journal of High Resolution Chromatography & Chromatography Communications, 5, 539-539 (1982)
T.I. Wishousky et al
Journal of Chromatography A, 249, 163-163 (1982)
Melvin E Andersen et al.
Toxicology letters, 179(2), 85-92 (2008-06-03)
With non-volatile compounds, high lipophilicity (i.e., fat:blood partition coefficients, Pf, in the range of several hundred to a thousand or higher) typically leads to concerns for bioaccumulation. To evaluate the extent to which highly cleared, lipophilic vapors are expected to