Quality Segment
grade
ACS reagent, analytical standard
vapor pressure
11.66 psi ( 20 °C)
assay
≥99.5% (GC)
form
liquid
autoignition temp.
842 °F
refractive index
n20/D 1.358 (lit.), n20/D 1.359
bp
26-28 °C (lit.)
mp
−99 °C (lit.)
density
0.648 g/mL at 25 °C (lit.)
suitability
suitable for NMR (spectroscopy)
application(s)
environmental
format
neat
storage temp.
2-8°C
SMILES string
C[Si](C)(C)C
InChI
1S/C4H12Si/c1-5(2,3)4/h1-4H3
InChI key
CZDYPVPMEAXLPK-UHFFFAOYSA-N
General description
四甲基硅烷已被国际纯粹与应用化学联合会(IUPAC)推荐为所有核素的通用参考品。它通常用作核磁共振(NMR)的参考标准品,用于测量质子的化学位移,TMS在氯仿、甲醇和二甲基亚砜等溶剂中的1H化学位移的温度依赖性已进行了研究。
Application
四甲基硅烷可用作定量NMR(qNMR)法定量分析药用植物提取物和草药产品的内标物。它也可用作FT-IR光谱法和质子核磁共振(1H NMR)技术研究过氧化物化学系统中等规聚丙烯交联反应的内标物。
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signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 1
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-16.6 °F - closed cup
flash_point_c
-27 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
