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Merck

32222

Sigma-Aldrich

二氯甲烷

puriss. p.a., ACS reagent, reag. ISO, ≥99.9% (GC)

别名:

二氯甲烷, 亚甲基氯

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About This Item

经验公式(希尔记法):
CH2Cl2
CAS号:
分子量:
84.93
Beilstein:
1730800
EC號碼:
MDL號碼:
分類程式碼代碼:
12352101
PubChem物質ID:
NACRES:
NA.04

等級

ACS reagent
puriss. p.a.

品質等級

agency

reag. ISO

蒸汽密度

2.9 (vs air)

蒸汽壓力

24.45 psi ( 55 °C)
6.83 psi ( 20 °C)

化驗

≥99.9% (GC)

形狀

liquid

自燃溫度

1223 °F

包含

~25 mg/L amylene as stabilizer

expl. lim.

22 %

雜質

≤0.00002% free chlorine (Cl)
≤0.0005% formaldehyde
≤0.001% free acid (as HCl)
≤0.001% non-volatile matter
≤0.01% chloroform (GC)
≤0.01% tetrachloromethane (GC)
≤0.01% water (Karl Fischer)
≤0.05% ethanol (GC)

折射率

n20/D 1.4235-1.4245
n20/D 1.424 (lit.)

bp

39.8-40 °C (lit.)

mp

−95 °C (lit.)

密度

1.320-1.330 g/L at 20 °C
1.325 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤0.5 mg/kg

正離子痕跡

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES 字串

ClCCl

適合性

passes test for reaction against H2SO4

InChI

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

InChI 密鑰

YMWUJEATGCHHMB-UHFFFAOYSA-N

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一般說明

二氯甲烷已经检测作为二吡啶-铬(VI)氧化物的溶剂介质。据报道,溶解度为12.5 g/100 ml。发现负载TiO2的活性炭对二氯甲烷的表观吸附常数与负载TiO2的量成反比。

應用

二氯甲烷可用作制备类胡萝卜素储备溶液的溶剂。它可以用作合成聚乳酸基(PLA)薄膜的溶剂。

其他說明

货号 32222-4X2.5L的产品即将停产。请订购物理性质和规格相同的单瓶32222-2.5L。
货号为32222-4X2.5L-M 的产品即将停产。请订购32222-2.5L-M单瓶装,因为其物理参数与上述产品本质相同。
货号32222-6X1L的产品即将停产。请订购32222-1L单瓶装,因为其物理参数与上述产品本质相同。
货号32222-6X1L-M的产品即将停产。请订购32222-1L-M单瓶装,因为其物理参数与上述产品本质相同。

象形圖

Exclamation markHealth hazard

訊號詞

Warning

危險分類

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

標靶器官

Central nervous system

儲存類別代碼

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

水污染物質分類(WGK)

WGK 2

閃點(°C)

does not flash


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