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Merck
CN

DX1729

N,N-二甲基甲酰胺

别名:

DMF, NSC 5356

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关于此项目

线性分子式:
HCON(CH3)2
化学文摘社编号:
68-12-2
分子量:
73.09
EC Index Number:
200-679-5
UNSPSC Code:
12352111
Beilstein/REAXYS Number:
605365
MDL number:
MFCD00003284
NACRES:
NA.21
eCl@ss:
39031202
Assay:
≥99.9% (GC)
Bp:
153 °C (lit.)
Vapor pressure:
2.7 mmHg ( 20 °C)

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Quality Level

200

InChI

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

SMILES string

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

InChI key

ZMXDDKWLCZADIW-UHFFFAOYSA-N

vapor density

2.5 (vs air)

vapor pressure

2.7 mmHg ( 20 °C)

assay

≥99.9% (GC)

form

liquid

autoignition temp.

833 °F

shelf life

24 mo. (from manufacture date)

expl. lim.

15.2 %

impurities

≤0.5 μeq/g Titrable acid, ≤0.5 μeq/g Titrable base, ≤300 ppm Water (H2O), ≤5 ppm Free amine (as dimethylamine)

evapn. residue

≤5 ppm

color

clearAPHA: ≤10

refractive index

n20/D 1.430 (lit.)

pH

7 (20 °C, 200 g/L in H2O)

bp

153 °C (lit.)

mp

−61 °C (lit.)

transition temp

flash point 57.5 °C

density

0.944 g/mL (lit.)

UV cutoff

≤270 nm

UV absorption

λ: 270 nm Amax: ≤1.00, λ: 275 nm Amax: ≤0.30, λ: 280 nm Amax: ≤0.20, λ: 300 nm Amax: ≤0.05, λ: 350 nm Amax: ≤0.01

shipped in

ambient

storage temp.

room temp

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Application

多种疏水性有机化合物的溶剂。

Packaging

M-Bottle for Solvents
As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before.
See all the new features here!

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Expiration dateExp 24 months from mfg dateAppearanceClear, free from particulatesAssay (GC)99.9% minColor (APHA)10 maxEvaporation residue5ppm maxFiltered through 0.2 µm filterTo pass testFormLiquidFree amine (as dimethylamine)5ppm maxTitrable acid0.5µeq/g maxTitrable base0.5µeq/g maxUV Abs. at 270 nm1.00AU maxUV Abs. at 275 nm0.30AU maxUV Abs. at 280 nm0.20AU maxUV Abs. at 300 nm0.05AU maxUV Abs. at 350 nm0.01AU maxUV Cut-off270nm maxWater (H2O)300ppm max

signalword

Danger

Hazard Classifications

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

存储类别

3 - Flammable liquids

wgk

WGK 2

flash_point_f

135.5 °F - closed cup

flash_point_c

57.5 °C - closed cup

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