N N-Dimethylformamide CAS 68-12-2

N,N-Dimethylformamide Basic information

Product Name:

N,N-Dimethylformamide

CAS:

25174

MF:

C3H7NO

MW:

73.09

EINECS:

200-679-5

Mol File:

68-12-2.mol

N,N-Dimethylformamide Chemical Properties

Melting point

-61 °C (lit.)

alpha

0.94 º

Boiling point

153 °C (lit.)

density

0.944 g/mL (lit.)

vapor density

2.5 (vs air)

vapor pressure

2.7 mm Hg ( 20 °C)

refractive index

n20/D 1.430(lit.)

Fp

136 °F

storage temp.

Store at +5°C to +30°C.

solubility

water: miscible

pka

-0.44±0.70(Predicted)

form

liquid

color

APHA: ≤15

Appearance

colorless liquid

PH

7 (200g/l, H2O, 20℃)

Odor

Faint, ammonia-like odor detectable at 100 ppm

Relative polarity

0.386

Odor Threshold

1.8ppm

explosive limit

2.2-16%(V)

Water Solubility

soluble

Thermal Conductivity

0.184 W/(m·K) at 25 ℃

λmax

λ: 270 nm Amax: 1.00

λ: 275 nm Amax: 0.30

λ: 295 nm Amax: 0.10

λ: 310 nm Amax: 0.05

λ: 340-400 nm Amax: 0.01

Sensitive

Hygroscopic

Merck

143,243

BRN

605365

Henry's Law Constant

1.3×102 mol/(m3Pa) at 25℃, Burkholder et al. (2019)

Exposure limits

NIOSH REL: TWA 10 ppm (30 mg/m3), IDLH 500 ppm; OSHA PEL: TWA 10 ppm; ACGIH TLV: TWA 10 ppm (adopted).

Dielectric constant

36.71

InChI

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

InChIKey

ZMXDDKWLCZADIW-UHFFFAOYSA-N

SMILES

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

LogP

-1.01

Surface tension

35.20mN/m at 298.15K

Surface tension

37.1mN/m at 20°C

CAS DataBase Reference

68-12-2(CAS DataBase Reference)

NIST Chemistry Reference

Formamide, N,N-dimethyl-(68-12-2)

IARC

2A (Vol. 47, 71, 115) 2018

EPA Substance Registry System

N,N-Dimethylformamide (68-12-2)

Test

Min

Max

APPEARANCE

COLORLESS LIQUID

Purity (9%)

99.5

100

Chroma(Heizeng Unit)

O

10

Density （20°℃C）, g/ml

0.945

0.95

EVAPORATION RESIDUE(%)

O

0.005

Acidity(As H+), mmol/100g

0

0.1

Alkalinity(As OH-), mmol/100g

0

0.1

Iron(Fe) ，%

0

0.0005

Water

0

0.10%