648531

N,N-Dimethylformamid

suitable for HPLC, ≥99.9%

• Synonym(e): DMF, NSC 5356
• Lineare Formel: HCON(CH₃)₂
• CAS-Nummer: 68-12-2
• Molekulargewicht: 73.09
• Beilstein: 605365
• EG-Nummer: 200-679-5
• MDL-Nummer: MFCD00003284
• UNSPSC-Code: 12190000
• PubChem Substanz-ID: 57651994

Eigenschaften

• Dampfdichte: 2.5 (vs air)
• Qualitätsniveau: 100
• Dampfdruck: 2.7 mmHg ( 20 °C)
• Assay: ≥99.9%
• Form: liquid
• Selbstzündungstemp.: 833 °F
• Expl.-Gr.: 15.2 %
• Methode(n): HPLC: suitable
• Verunreinigungen: ≤0.030% water
• Abdampfrückstand: ≤0.0005%
• Brechungsindex: n20/D 1.430 (lit.)
• bp: 153 °C (lit.)
• mp (Schmelzpunkt): −61 °C (lit.)
• Dichte: 0.944 g/mL (lit.)
• Absorption: 0.010 at 340 nm; 0.010 at 400 nm; 0.05 at 310 nm; 0.10 at 295 nm; 0.30 at 275 nm; 1.00 at 270 nm
• Anwendung(en): food and beverages
• SMILES String: [H]C(=O)N(C)C
• InChI: 1S/C3H7NO/c1-4(2)3-5/h3H,1-2H3
• InChIKey: ZMXDDKWLCZADIW-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

N,N-Dimethylformamide (DMF) is the commonly employed solvent for chemical reactions. DMF is a useful solvent employed for the isolation of chlorophyll from plant tissues. It is widely employed reagent in organic synthesis. It plays multiple roles in various reactions such as solvent, dehydrating agent, reducing agent as well as catalyst. It is a multipurpose building block for the synthesis of compounds containing O, -CO, -NMe₂, -CONMe₂, -Me, -CHO as functional groups. Dielectric relaxation experiments on DMF have been conducted between 238.15K and 338.15K. The thermophysical properties of the molecular interactions between DMF and the ionic liquids, ammonium salts and imidazolium salts have been studied. The characteristics of solute-solvent interactions between ammonium nitrate and DMF have been investigated.

Anwendung

Lösungsmittel für viele hydrophobe, organische Verbindungen.

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Sicherheitshinweise

• Piktogramme: GHS02,GHS08,GHS07
• Signalwort: Danger
• H-Sätze: H226,H312 + H332,H319,H360D
• P-Sätze: P210 - P280 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313
• Gefahreneinstufungen: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 135.5 °F - closed cup
• Flammpunkt (°C): 57.5 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter