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319937

Sigma-Aldrich

N,N-二甲基甲酰胺

ACS reagent, ≥99.8%

别名:

DMF, NSC 5356

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500 ML
$235.00
1 L
$301.00
2.5 L
$531.00
6 X 1 L
$1,570.00

$235.00

国内现货，预计发货时间2025年4月16日详情

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500 ML
$235.00
1 L
$301.00
2.5 L
$531.00
6 X 1 L
$1,570.00

About This Item

线性分子式:
HCON(CH3)2
CAS号:
68-12-2
分子量:
73.09
Beilstein:
605365
EC號碼:
200-679-5
MDL號碼:
MFCD00003284
分類程式碼代碼:
12352111
PubChem物質ID:
329753939
NACRES:
NA.07
bp:
153 °C (lit.)

$235.00

国内现货，预计发货时间2025年4月16日详情

获取大包装报价

等級

ACS reagent

品質等級

200

蒸汽密度

2.5 (vs air)

蒸汽壓力

2.7 mmHg ( 20 °C)

化驗

≥99.8%

形狀

liquid

自燃溫度

833 °F

expl. lim.

15.2 %

dilution

(for analytical testing)

雜質

≤0.0005 meq/g Titr. acid
≤0.003 meq/g Titr. base
≤0.15% water

蒸發殘留物

≤0.005%

顏色

clear
APHA: ≤15

折射率

n20/D 1.430 (lit.)

pH值

7 (20 °C, 200 g/L)

bp

153 °C (lit.)

mp

−61 °C (lit.)

密度

0.944 g/mL (lit.)

SMILES 字串

[H]C(=O)N(C)C

InChI

1S/C3H7NO/c1-4(2)3-5/h3H,1-2H3

InChI 密鑰

ZMXDDKWLCZADIW-UHFFFAOYSA-N

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相关类别

一般說明

N, N-二甲基甲酰胺（DMF）是一种有机化合物，在有机合成中常用作试剂和溶剂。它在各种反应中起着多重作用，如甲酰化剂、脱水剂、还原剂以及催化剂。

應用

DMF 可用作：     
  • 有机金属化合物的甲酰化剂。
  • 反应物，通过与氯化氧磷的反应制备 Vilsmeier 试剂。
  • 试剂，在叔丁醇钾环境下进行芳酰氯的胺化。     
  • 金属盐的还原剂，用于制备金属胶体。
  • 催化剂，用于无保护碳水化合物的区域选择性硅基化。

DMF 还可用于以下用途：     
  • DMF-光气催化体系用于从乙醇制备烷基卤化物。      
  • DMF-POCl3 用于将无环和环烯化酮转化为 β-氯-α, β-不饱和醛。
  • DMF-POCl3 用于从酰基苯胺合成喹啉-3-羧基。      
  • DMF-SOCl2 混合物用于将氧脱水成腈。      
  • DMF-Ag2O 将 α-溴丙酰胺转化为恶唑烷酮。
  • DMF 在许多要求高溶解力的化学反应中经常用作溶剂。

多种疏水性有机化合物的溶剂。

訊號詞

Danger

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 2

閃點（°F）

135.5 °F - closed cup

閃點（°C）

57.5 °C - closed cup

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBS6453
SHBS5648
SHBR5636
SHBR4594
SHBS0470

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