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Merck
CN

271012

N,N-二甲基乙酰胺

anhydrous, 99.8%

别名:

DMAc

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线性分子式:
CH3CON(CH3)2
化学文摘社编号:
127-19-5
分子量:
87.12
UNSPSC Code:
12352111
NACRES:
NA.21
PubChem Substance ID:
57648218
EC Number:
204-826-4
Beilstein/REAXYS Number:
1737614
MDL number:
MFCD00008686
Grade:
anhydrous
Assay:
99.8%
Bp:
164.5-166 °C (lit.)
Vapor pressure:
2 mmHg ( 25 °C)
4 mmHg ( 38 °C)

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产品名称

N,N-二甲基乙酰胺, anhydrous, 99.8%

InChI key

FXHOOIRPVKKKFG-UHFFFAOYSA-N

InChI

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

SMILES string

CN(C)C(C)=O

grade

anhydrous

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 25 °C)
4 mmHg ( 38 °C)

assay

99.8%

form

liquid

autoignition temp.

914 °F

expl. lim.

1.8 %, 100 °F
11.5 %, 160 °F

impurities

<0.005% water

evapn. residue

<0.001%

refractive index

n20/D 1.437 (lit.)

pH

4 (20 °C, 200 g/L)

bp

164.5-166 °C (lit.)

mp

−20 °C (lit.)

density

0.937 g/mL at 25 °C (lit.)

Quality Level

200

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相关类别

Application

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。

Other Notes

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。

Packaging

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

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

存储类别

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

wgk

WGK 2

flash_point_f

147.2 °F - closed cup

flash_point_c

64 °C - closed cup

ppe

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

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBT4786
SHBT2432
SHBS9128
SHBS4461
SHBR7664

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Yoshinao T, et al
Organic Syntheses, 67, 98-98 (1989)
Density and Viscosity Measurements for Binary Mixtures of 1-Ethyl-3-methylimidazolium Tetrafluoroborate ([Emim][BF4]) with Dimethylacetamide, Dimethylformamide, and Dimethyl Sulfoxide.
Fan XH, et al.
Journal of Chemical and Engineering Data (2016)
(R)-(+)-1,1'-Binaphthalene-2,2'-diol
Truesdale LK
Organic Syntheses, 67, 13-13 (1989)
Solutions of cellulose in N, N-dimethylacetamide/lithium chloride studied by light scattering methods.
Roder T, et al.
Polymer, 42(16), 6765-6773 (2001)
Inês Farinha et al.
Carbohydrate polymers, 130, 455-464 (2015-06-17)
Purified chitin-glucan complex (CGCpure) was extracted from Komagataella pastoris biomass using a hot alkaline treatment, followed by neutralization and repeated washing with deionized water. The co-polymer thus obtained had a β-glucan:chitin molar ratio of 75:25 and low protein and inorganic
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商品

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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