Merck
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650463

Sigma-Aldrich

二氯甲烷

HPLC Plus, for HPLC, GC, and residue analysis, ≥99.9%, contains 50-150 ppm amylene as stabilizer

Synonym(s):
二氯甲烷, 亚甲基氯
Empirical Formula (Hill Notation):
CH2Cl2
CAS Number:
Molecular Weight:
84.93
Beilstein:
1730800
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.04

等级

HPLC Plus
for residue analysis

质量水平

100

蒸汽密度

2.9 (vs air)

蒸汽压

24.45 psi ( 55 °C)
6.83 psi ( 20 °C)

测定

≥99.9%

形式

liquid

自燃温度

1223 °F

包含

50-150 ppm amylene as stabilizer

expl. lim.

22 %

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

杂质

≤ 1.0 ppb Fluorescence (quinine) at 365 nm
≤0.01% water

蒸发残留物

≤0.0001%

卤代烷残留物

≤10 ng/L (as heptachlor epoxide)

折射率

n20/D 1.424 (lit.)

bp

39.8-40 °C (lit.)

mp

−97 °C (lit.)

密度

1.325 g/mL at 25 °C (lit.)

λ

H2O reference

紫外吸收

λ: 235 nm Amax: 1.0
λ: 240 nm Amax: 0.10
λ: 250 nm Amax: 0.02
λ: 300-400 nm Amax: 0.005

SMILES string

ClCCl

InChI

1S/CH2Cl2/c2-1-3/h1H2

InChI key

YMWUJEATGCHHMB-UHFFFAOYSA-N

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一般描述

Dichloromethane is a polar and highly volatile organic compound (VOC), known for its versatile use in industries as an extraction solvent and metal cleaner and consumer products such as adhesives, spray shoe polishes, paint, and adhesive removers.

应用

适用于HPLC、分光光度法、环境检测
Dichloromethane may be used in the following:

  • Extraction of neonicotinoids from honey samples along with acetonitrile using dispersive liquid-liquid microextraction (DLLME)
  • Ultrasonic solvent extraction and clean-up of roasted coffee samples for the analysis of 7 pesticide residues by liquid chromatography-tandem mass spectrometry (LC-MS/MS)
  • DLLME based additional pre-concentration of the sample extracts in the analysis of three amphenicols in food products of animal origin by HPLC with UV detection
  • Removal of organic phase of the obtained soil sample extracts in the determination of two sulfonylurea herbicides using HPLC
  • Testing of four extraction solvents in the development of a HPLC-amperometric detection based method for the analysis of three carbamate residues in liquid and solid food samples
  • Extraction of metrafenone from vegetable samples by matrix solid-phase dispersion (MSPD method followed by HPLC analysis

包装

1, 6×1, 4, 4×4 L in glass bottle
20 L in Nowpak™ II
20 L in Pure-Pac™ 2

其他说明

Pure-Pac® II容器需要Micromatic MacroValve耦合器(Z560723)来分配溶剂。
农药残留分析(作为环氧七氯)<10 ng/L

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法律信息

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

象形图

Exclamation markHealth hazard

警示用语:

Warning

危险分类

Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

闪点(F)

does not flash

闪点(C)

does not flash

Certificate of Analysis

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Certificate of Origin

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