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Merck
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271012

Sigma-Aldrich

N,N-二甲基乙酰胺

anhydrous, 99.8%

别名:

DMAc

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About This Item

线性分子式:
CH3CON(CH3)2
CAS号:
127-19-5
分子量:
87.12
Beilstein:
1737614
EC號碼:
204-826-4
MDL號碼:
MFCD00008686
分類程式碼代碼:
12352111
PubChem物質ID:
57648218
NACRES:
NA.21

等級

anhydrous

品質等級

200

蒸汽密度

3 (vs air)

蒸汽壓力

2 mmHg ( 25 °C)
4 mmHg ( 38 °C)

化驗

99.8%

形狀

liquid

自燃溫度

914 °F

expl. lim.

1.8 %, 100 °F
11.5 %, 160 °F

雜質

<0.005% water

蒸發殘留物

<0.001%

折射率

n20/D 1.437 (lit.)

pH值

4 (20 °C, 200 g/L)

bp

164.5-166 °C (lit.)

mp

−20 °C (lit.)

密度

0.937 g/mL at 25 °C (lit.)

SMILES 字串

CN(C)C(C)=O

InChI

1S/C4H9NO/c1-4(6)5(2)3/h1-3H3

InChI 密鑰

FXHOOIRPVKKKFG-UHFFFAOYSA-N

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應用

N，N-二甲基乙酰胺可用作下列过程的溶剂：
  • 乙酸钯-正丁基二(1-金刚烷基)膦催化2-异丁基噻唑与氯苯的芳基化反应，形成5-苯基-2-异丁基噻唑。
  • 合成β-、γ-和δ-金属酯中间体，其可与酰氯化合物反应生成γ-、δ-和ε-酮酯。
  • 合成(R)-(-)-甲基-1,1′-联萘-2,2′-二基磷酸酯，其可用作制备(R)-(+)-1,1′-联萘-2,2′-二醇的前体。

包裝

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其他說明

货号271012-4X2L的产品即将停产。请订购271012-2L单瓶装，因为其物理参数与上述产品本质相同。

相關產品

产品编号
说明
价格

象形圖

Health hazardExclamation mark
GHS08,GHS07

訊號詞

Danger

危險分類

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

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類（WGK）

WGK 2

閃點（°F）

147.2 °F - closed cup

閃點（°C）

64 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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分析证书(COA)

Lot/Batch Number
SHBR8797
SHBR7664
SHBS0778
STBL0578
SHBR3393

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Fan XH, et al.
Journal of Chemical and Engineering Data (2016)
Solutions of cellulose in N, N-dimethylacetamide/lithium chloride studied by light scattering methods.
Roder T, et al.
Polymer, 42(16), 6765-6773 (2001)
Fen Ran et al.
Acta biomaterialia, 7(9), 3370-3381 (2011-06-11)
An amphiphilic triblock co-polymer of poly(vinyl pyrrolidone)-b-poly(methyl methacrylate)-b-poly(vinyl pyrrolidone) (PVP-b-PMMA-b-PVP) was synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization. The block co-polymer can be directly blended with polyethersulfone (PES) using dimethylacetamide (DMAC) as the solvent to prepare flat sheet and
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Scale-Up Guide: Buchwald-Hartwig Amination

Preformed catalysts in the kit are stable but become air-sensitive when activated; Schlenk technique aids scale-up.

Scale-Up Guide: Buchwald-Hartwig Amination

Preformed catalysts in the kit are stable but become air-sensitive when activated; Schlenk technique aids scale-up.

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