N,N-Dimethylformamide

N,N-Dimethylformamide

CAS No.: 68-12-2
Molecular Formula: C3H7NO
Molecular weight: 73.09
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product description
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.


Chemical Properties

PropertyValue

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: 1.00λ: 275 nm Amax: 0.30λ: 295 nm Amax: 0.10λ: 310 nm Amax: 0.05λ: 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

PropertyValue

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 versatile high-boiling solvent widely acclaimed as the "universal solvent" due to its exceptional solubility. Its primary application is in the synthetic fiber and resin industry, where it is used to spin polyacrylonitrile fibers and manufacture high-quality synthetic leather (PU). In the pharmaceutical sector, DMF is an indispensable reaction medium for synthesizing vitamins, hormones, and various antibiotics. Additionally, it plays a critical role in the electronics industry for cleaning precision components and in petrochemicals for the selective extraction of acetylene and butadiene.

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FAQ

Q1:Does it support customized products?

A1:Yes, it does. Formulations can be adjusted and customized production can be carried out according to customer's industry needs and performance parameters.


Q2:Can samples be provided?

A2:We support free sample delivery and testing services to meet customers' early testing needs.


Q3:Is the product quality stable? 

A3:With full-process quality inspection and control, there are minimal batch differences, and the purity and stability strictly meet the standards.


Q4:What is the shipping cycle?

A4:For regular inventory, we offer quick delivery. For customized orders, we arrange production according to demand and ensure timely delivery.

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