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

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Chemical Name：N,N-Dimethylformamide

CAS No.: 68-12 - 2

Molecular Formula：C3H7NO

Molecular weight:73.09

Sample: Available

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Product Details

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

Dimethylformamide is a flammable, colorlessliquid with a fishy, unpleasant, amine-like scent at relativelylow concentrations. The smell threshold is 0.47100 ppm.Molecular weight= 73.11; Specific gravity (H2O:1)= 0.95;Boiling factor = 153℃; Freezing/Melting factor = 261℃;Vapor pressure= three mmHg at 20℃; Flash factor = 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 zero 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 fuel additive. Dimethylformamide haspowerful solvent homes for a broad vary of organiccompounds. Because of its bodily properties, this chemical has been used when solvents with a gradual price of evaporation are required. It finds unique utilization in themanufacture of polyacrylic fibers, butadiene, purified acetylene, pharmaceuticals, dyes, petroleum products, and otherorganic chemicals.

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

N,N-Dimethylformamide Chemical Properties

Melting point	-61 °C (lit.)
Boiling point	153 °C (lit.)
alpha	0.94 º
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
Relative polarity	0.386
PH	7 (200g/l, H2O, 20℃)
Odor	Faint, ammonia-like odor detectable at 100 ppm
explosive limit	2.2-16%(V)
Odor Threshold	1.8ppm
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
CAS DataBase Reference	68-12-2(CAS DataBase Reference)
IARC	2A (Vol. 47, 71, 115) 2018
NIST Chemistry Reference	Formamide, N,N-dimethyl-(68-12-2)
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 Usage

N,N-Dimethylformamide (DMF) is a clear liquid that has been broadly used in industries as a solvent, an additive, or an intermediate due to the fact of its good sized miscibility with water and most frequent natural solvents. Dimethylformamide options are used toprocess polymer fibers, films, and floor coatings; to allow effortless spinning of acrylic fibers; to produce wire enamels, and as a crystallization medium in the pharmaceutical industry.
DMF can additionally be used for formylation with alkyllithium or Grignard reagents. It is used as a reagent in Bouveault aldehyde synthesis and additionally in Vilsmeier-Haack reaction. It acts as a catalyst in the synthesis of acyl chlorides. It is used for keeping apart and refining crude from olefin gas. DMF alongside with methylene chloride acts as a remover of varnish or lacquers. It is additionally used in the manufacture of adhesives, fibers and films.

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