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24233

Sigma-Aldrich

二氯甲烷

puriss., meets analytical specification of Ph. Eur., NF, ≥99% (GC)

同義詞:

二氯甲烷, 亚甲基氯

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About This Item

經驗公式(希爾表示法):
CH2Cl2
CAS號碼:
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

蒸汽密度

2.9 (vs air)

品質等級

蒸汽壓力

24.45 psi ( 55 °C)
6.83 psi ( 20 °C)

等級

puriss.

化驗

≥99% (GC)

形狀

liquid

自燃溫度

1223 °F

品質

meets analytical specification of Ph. Eur., NF

包含

10-60 ppm amylene as stabilizer

expl. lim.

22 %

雜質

residual solvents, complies
≤0.0001% free chlorine (Cl)
≤0.001% carbon tetrachloride (GC)
≤0.001% free acid (as HCl)
≤0.002% non-volatile matter
≤0.005% trichloromethane (GC)
≤0.02% methanol (GC)
≤0.02% water (Karl Fischer)
≤1 ppm heavy metals (as Pb)
≤2.0% ethanol (GC)

蒸發殘留物

≤20 ppm

折射率

n20/D 1.423-1.425
n20/D 1.424 (lit.)

bp

39.8-40 °C (lit.)

mp

−95 °C (lit.)

密度

1.318-1.322 g/mL at 25 °C
1.325 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤3 mg/kg

適合性

complies for appearance of solution
complies for identity (IR)
complies for reaction against H2SO4

SMILES 字串

ClCCl

InChI

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

InChI 密鑰

YMWUJEATGCHHMB-UHFFFAOYSA-N

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一般說明

对二氯甲烷作为二吡啶-氧化铬(VI)的溶剂介质进行了测试。据报道,溶解度为12.5 g/100 ml。研究了活性炭载体上的TiO2负载量对其光分解的作用。

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

货号为24233-4X2.5L-M的产品即将停产。请订购24233-2.5L-M单瓶装,因为其物理参数与上述产品本质相同。
货号为24233-4X2.5L-R的产品将停产。请订购规格参数完全相同的单瓶24233-2.5L-R。
货号为24233-6X1L-M的产品即将停产。请订购24233-1L-M单瓶装,因为其物理参数与上述产品本质相同。
货号为24233-6X1L-R的产品将停产。请订购规格参数完全相同的单瓶24233-1L-R。

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(°F)

does not flash

閃點(°C)

does not flash


分析證明 (COA)

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