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经验公式(希尔记法):
C6H14
化学文摘社编号:
分子量:
86.18
MDL number:
UNSPSC Code:
12191502
EC Index Number:
295-570-2
NACRES:
NA.03
Assay:
≥99.0% (GC)
Technique(s):
HPLC: suitable
Bp:
53-63 °C/1013 hPa
Vapor pressure:
160-190 hPa ( 20 °C)
产品名称
异己烷, for liquid chromatography LiChrosolv®
SMILES string
C(CCC)CC
InChI
1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3
InChI key
VLKZOEOYAKHREP-UHFFFAOYSA-N
vapor pressure
160-190 hPa ( 20 °C)
description
isocratic
product line
LiChrosolv®
assay
≥99.0% (GC)
form
liquid
autoignition temp.
260 °C
potency
>2000 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rabbit)
expl. lim.
1.0-7.4 % (v/v)
technique(s)
HPLC: suitable
impurities
≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.005% Water, ≤0.5% n-Hexane (GC), ≥60% Isohexane (GC)
evapn. residue
≤2.0 mg/L
color
APHA: ≤10
transmittance
210 nm, ≥60%, 220 nm, ≥80%, 245 nm, ≥98%
kinematic viscosity
0.5 cSt(20 °C)
bp
53-63 °C/1013 hPa
mp
<-50 °C
transition temp
flash point -21 °C
density
0.66 g/cm3 at 20 °C
storage temp.
2-30°C
Quality Level
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General description
LiChrosolv 溶剂具有较高的紫外线透射率、低颗粒数、低酸碱度和低蒸发残留量,因而其是可重现分离的理想选择。由于在分析型HPLC中分离通常在梯度条件下进行,因此我们提供“梯度级”和“等度级”的溶剂。这使得所使用的溶剂的梯度影响最小化。
Application
- In-house validation of accelerated solvent extraction-gas chromatography-mass spectrometry for the determination of bound 3- and 2-monochloropropanediols (MCPD) and glycidol in food products.:本文验证了一种稳健的分析方法,对于保证食品安全合规有重要意义。异己烷在方法中用于提高萃取效率和分析精确度(Shaari et al., 2021)。
- Optimized determination of polybrominated diphenyl ethers and polychlorinated biphenyls in sheep serum by solid-phase extraction-gas chromatography-mass spectrometry.:测定生物样本中的环境污染物时,使用异己烷改进萃取和检测效率,提高方法的灵敏度和准确度(Zhang & Rhind, 2011)。
- Simultaneous extraction and clean-up of polybrominated diphenyl ethers and polychlorinated biphenyls from sheep liver tissue by selective pressurized liquid extraction and analysis by gas chromatography-mass spectrometry.:本文介绍了一种从肝组织中同时萃取和纯化特定污染物的简化方法,异己烷在提高萃取效率方面发挥关键作用(Zhang et al., 2011)。
- Selective pressurized liquid extraction of estrogenic compounds in soil and analysis by gas chromatography-mass spectrometry.:着重研究如何靶向萃取环境样本中的激素干扰物,异己烷因其选择性溶剂化特性而用于提高分析物的选择性和产量(Zhang et al., 2011)。
- Fast sample preparation involving MASE and coupled column normal phase liquid chromatography for the rapid trace analysis of dioxins in air-dust samples from fire catastrophe emissions.:本文探讨一种复杂基质中微量污染物的快速制备和分析方法,异己烷有助于实现快速可靠结果。
Preparation Note
产品已经过0.2 μm过滤器过滤
Analysis Note
纯度C₆H₁₄-异构体(GC): ≥ 99.0 %
异己烷(GC): ≥ 60.0 %
正己烷(GC): ≤ 0.5 %
蒸发残留物: ≤ 2.0 mg/l
水: ≤ 0.005 %
颜色: ≤ 10 色度
酸度: ≤ 0.0002 meq/g
碱度: ≤ 0.0002 meq/g
透射率(210 nm): ≥ 60 %
透射率(220 nm): ≥ 80%
透射率(从245起 nm开始): ≥ 98%
经0.2 µm过滤器过滤
异己烷(GC): ≥ 60.0 %
正己烷(GC): ≤ 0.5 %
蒸发残留物: ≤ 2.0 mg/l
水: ≤ 0.005 %
颜色: ≤ 10 色度
酸度: ≤ 0.0002 meq/g
碱度: ≤ 0.0002 meq/g
透射率(210 nm): ≥ 60 %
透射率(220 nm): ≥ 80%
透射率(从245起 nm开始): ≥ 98%
经0.2 µm过滤器过滤
Legal Information
LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
Hazard Classifications
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
-5.8 °F
flash_point_c
-21 °C
法规信息
危险化学品
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