N,N-Dimethylformamide CAS#68-12-2

CAS Number: 68-12-2
Chemical Formula:C3H7NO
Synonyms:

amide,n,n-dimethyl-formicaci
Dimethylamid kyseliny mravenci
dimethylamidkyselinymravenci

Appearance: Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Dimethylformamide is a flammable, colorlessliquid with a fishy, unpleasant, amine-like odor at relativelylow concentrations. The odor threshold is 0.47100 ppm.Molecular weight= 73.11; Specific gravity (H2O:1)= 0.95;Boiling point = 153℃; Freezing/Melting point = 261℃;Vapor pressure= 3 mmHg at 20℃; Flash point = 58℃;Autoignition temperature= 444.5℃. Explosive limits are:LEL = 2.2%; UEL= 15.2% at 100℃. Hazard Identification(based on NFPA-704 M Rating System): Health 2,Flammability 2, Reactivity 0. Soluble in water.Potential Exposure: Tumorigen,Mutagen; Reproductive Effector; Human Data; Hormone,Primary Irritant. DMFA is used as a solvent for liquids,gases, and as a gasoline additive. Dimethylformamide haspowerful solvent properties for a wide range of organiccompounds. Because of its physical properties, this chemical has been used when solvents with a slow rate of evaporation are required. It finds particular usage in themanufacture of polyacrylic fibers, butadiene, purified acetylene, pharmaceuticals, dyes, petroleum products, and otherorganic chemicals.

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
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	14,3243
BRN	605365
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	36.710000000000001
InChIKey	ZMXDDKWLCZADIW-UHFFFAOYSA-N
LogP	-1.010
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)

Safety Information

Hazard Codes	T
Risk Statements	61-20/21-36
Safety Statements	53-45
RIDADR	UN 2265 3/PG 3
OEB	A
OEL	TWA: 10 ppm (30 mg/m3) [skin]
WGK Germany	1
RTECS	LQ2100000
F	3-10
Autoignition Temperature	445 °C
Hazard Note	Toxic
TSCA	Yes
HazardClass	3
PackingGroup	III
HS Code	29241990
Hazardous Substances Data	68-12-2(Hazardous Substances Data)
Toxicity	LD50 in mice, rats (ml/kg): 6.8, 7.6 orally; 6.2, 4.7 i.p. (Bartsch)
IDLA	500 ppm

Product Application of N,N-Dimethylformamide CAS#68-12-2

N,N-Dimethylformamide (DMF) is a clear liquid that has been widely used in industries as a solvent, an additive, or an intermediate because of its extensive miscibility with water and most common organic solvents. Dimethylformamide solutions are used toprocess polymer fibers, films, and surface coatings; to permit easy spinning of acrylic fibers; to produce wire enamels, and as a crystallization medium in the pharmaceutical industry.
DMF can also be used for formylation with alkyllithium or Grignard reagents. It is used as a reagent in Bouveault aldehyde synthesis and also in Vilsmeier-Haack reaction. It acts as a catalyst in the synthesis of acyl chlorides. It is used for separating and refining crude from olefin gas. DMF along with methylene chloride acts as a remover of varnish or lacquers. It is also used in the manufacture of adhesives, fibers and films.

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