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Merck
CN

650463

二氯甲烷

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

别名:

二氯甲烷, 亚甲基氯

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关于此项目

经验公式（希尔记法）:
CH2Cl2
化学文摘社编号:
75-09-2
分子量:
84.93
UNSPSC Code:
12190000
NACRES:
NA.04
PubChem Substance ID:
329760022
EC Number:
200-838-9
Beilstein/REAXYS Number:
1730800
MDL number:
MFCD00000881
Assay:
≥99.9%
Grade:
HPLC Plus
Technique(s):
HPLC: suitable, gas chromatography (GC): suitable
Bp:
39.8-40 °C (lit.)
Vapor pressure:
24.45 psi ( 55 °C), 6.83 psi ( 20 °C)

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InChI key

YMWUJEATGCHHMB-UHFFFAOYSA-N

InChI

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

SMILES string

ClCCl

grade

HPLC Plus

vapor density

2.9 (vs air)

vapor pressure

24.45 psi ( 55 °C), 6.83 psi ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

1223 °F

contains

50-150 ppm amylene as stabilizer

expl. lim.

22 %

Quality Level

100

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

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

evapn. residue

≤0.0001%

halogenated residue

≤10 ng/L (as heptachlor epoxide)

refractive index

n20/D 1.424 (lit.)

bp

39.8-40 °C (lit.)

mp

−95 °C (lit.)

density

1.325 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

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

suitability

suitable for residue analysis

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Application

二氯甲烷可用于以下情况：

  • 使用分散液-液微萃取法(DLLME)从蜂蜜样品中提取新烟碱类化合物
  • 通过液相色谱-串联质谱(LC-MS/MS)分析超声溶剂萃取并净化的烘焙咖啡样品中7种杀虫剂残留
  • 基于DLLME的样品提取物的额外预浓缩，用于通过带有UV检测器的HPLC分析动物源食品中的三种酰氨醇类抗生素
  • 使用HPLC测定两种磺酰脲类除草剂时，去除获取的土壤样品提取物中有机相
  • 开发基于HPLC-安倍检测法分析液态和固态食品样品中三种氨基甲酸酯农药残留时，测试四种萃取溶剂
  • 通过基质固相分散法（MSPD）从蔬菜样品中提取苯菌酮再用HPLC分析

适用于HPLC、分光光度法、环境检测

Packaging

溶剂用M瓶(M-Bottle for Solvents)
作为实验室试剂的全球领导者，我们始终如一地不断探索提高产品安全性的新方法。新开发4L溶剂瓶采用先进的密封技术消除漏液，让溶剂处理变得更加安全和便利。
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Other Notes

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
探索最适于 HPLC 或 LC-MS 分析的 LiChropur 试剂

Legal Information

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Central nervous system

存储类别

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

wgk

WGK 2

flash_point_f

does not flash

flash_point_c

does not flash

法规信息

危险化学品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCZ8626
SHBT4151
MKCZ2950
MKCX5628
MKCX5627

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Matthew J Walters et al.
Nature protocols, 2(7), 1825-1830 (2007-07-21)
A procedure for the preparation of optically pure alpha-keto-gamma-hydroxy carboxylic acids through stereospecific aldol addition catalyzed by pyruvate aldolases from the Entner-Doudoroff and the DeLey-Doudoroff glycolytic pathways is described. This highly versatile fragment serves as a precursor for a variety
Vitamin B12-mediated hydrodechlorination of dichloromethane by bimetallic Cu/Al particles.
Huang CC, et al.
Chemical Engineering Journal, 273, 413-420 (2015)
Dichloromethane Detection Based on Near-Infrared Absorptive Sensing.
Han JH and Yoon SM
IEEE Journal of Selected Topics in Quantum Electronics, 18(5), 1547-1552 (2012)
Dichloromethane photodegradation using titanium catalysts.
Tanguay JF, et al.
Tanguay JF, et al.
J. Catal., 117(2), 335-347 (1989)
Biodegradation of dichloromethane in an estuarine environment.
Krausova VI, et al.
Hydrobiologia, 559(1), 77-83 (2006)
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