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319937

Sigma-Aldrich

N,N-dimetilformammide

ACS reagent, ≥99.8%

Sinonimo/i:

DMF, NSC 5356

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About This Item

Formula condensata:
HCON(CH3)2
Numero CAS:
68-12-2
Peso molecolare:
73.09
Beilstein:
605365
Numero CE:
200-679-5
Numero MDL:
MFCD00003284
Codice UNSPSC:
12352111
ID PubChem:
329753939
NACRES:
NA.07

Grado

ACS reagent

Livello qualitativo

200

Densità del vapore

2.5 (vs air)

Tensione di vapore

2.7 mmHg ( 20 °C)

Saggio

≥99.8%

Forma fisica

liquid

Temp. autoaccensione

833 °F

Limite di esplosione

15.2 %

Impurezze

≤0.0005 meq/g Titr. acid
≤0.003 meq/g Titr. base
≤0.15% water

Residuo dopo evaporazione

≤0.005%

Colore

clear
APHA: ≤15

Indice di rifrazione

n20/D 1.430 (lit.)

pH

7 (20 °C, 200 g/L)

P. eboll.

153 °C (lit.)

Punto di fusione

−61 °C (lit.)

Densità

0.944 g/mL (lit.)

Stringa SMILE

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

InChI

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

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Descrizione generale

N, N-Dimethylformamide (DMF) is an organic compound commonly used as a reagent as well as a solvent in organic synthesis. It plays multiple roles in various reactions such as formylating agent, dehydrating agent, reducing agent as well as a catalyst.

Applicazioni

DMF can be used as:     
  • A formylating agent for organometallic compounds.
  • A reactant to prepare Vilsmeier reagent by reacting with phosphorus oxychloride.
  • A reagent for amination of aryl chlorides in the presence of potassium t-butoxide.     
  • A reducing agent for metal salts to prepare metal colloids.
  • A catalyst for the regioselective silylation of unprotected carbohydrates.

DMF can also be used in the following:     
  • DMF-Phosgene catalytic system is used to prepare alkyl halides from alcohols.      
  • DMF-POCl3 is used to convert acyclic and cyclic enolizable ketones to β-chloro-α, β-unsaturated aldehydes.
  • DMF-POCl3 is used to synthesize quinoline-3-carbaldehydes from acylanilides.      
  • DMF-SOCl2 combination is used to dehydrate oximes to nitriles.      
  • DMF-Ag2O converts α-bromopropionamides to oxazolidinones.
  • DMF is frequently used as a solvent in many chemical reactions, which require a high solvency power.

Solvente per molti composti organici idrofobi.

greener alternative product

N° Catalogo
Descrizione
Determinazione del prezzo

Avvertenze

Danger

Indicazioni di pericolo

H226,H312 + H332,H319,H360D

Classi di pericolo

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

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

135.5 °F - closed cup

Punto d’infiammabilità (°C)

57.5 °C - closed cup

Certificati d'analisi (COA)

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Supelco

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Supelco

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Sigma-Aldrich

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Supelco

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