DX1729

N,N-Dimethylformamide

• Synonym(s): Formic Acid Dimethylamide, FM approval, DMF, NSC 5356
• Linear Formula: HCON(CH₃)₂
• CAS Number: 68-12-2
• Molecular Weight: 73.09
• Beilstein: 605365
• MDL number: MFCD00003284
• UNSPSC Code: 12352111
• EC Index Number: 200-679-5

Properties

• vapor density: 2.5 (vs air)
• Quality Level: 200
• vapor pressure: 2.7 mmHg ( 20 °C)
• Assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 833 °F
• shelf life: 24 mo. (from manufacture date)
• expl. lim.: 15.2 %
• impurities: ≤0.5 μeq/g Titrable acid; ≤0.5 μeq/g Titrable base; ≤300 ppm Water (H2O); ≤5 ppm Free amine (as dimethylamine)
• evapn. residue: ≤5 ppm
• color: clearAPHA: ≤10
• refractive index: n20/D 1.430 (lit.)
• pH: 7 (20 °C, 200 g/L in H₂O)
• bp: 153 °C (lit.)
• mp: −61 °C (lit.)
• transition temp: flash point 57.5 °C
• density: 0.944 g/mL (lit.)
• UV cutoff: ≤270 nm
• UV absorption: λ: 270 nm A_max: ≤1.00; λ: 275 nm A_max: ≤0.30; λ: 280 nm A_max: ≤0.20; λ: 300 nm A_max: ≤0.05; λ: 350 nm A_max: ≤0.01
• shipped in: ambient
• storage temp.: room temp
• SMILES string: [H]C(=O)N(C)C
• InChI: 1S/C3H7NO/c1-4(2)3-5/h3H,1-2H3
• InChI key: ZMXDDKWLCZADIW-UHFFFAOYSA-N

Description

Application

Solvent for many hydrophobic organic compounds.

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Expiration dateExp 24 months from mfg dateAppearanceClear, free from particulatesAssay (GC)99.9% minColor (APHA)10 maxEvaporation residue5ppm maxFiltered through 0.2 µm filterTo pass testFormLiquidFree amine (as dimethylamine)5ppm maxTitrable acid0.5µeq/g maxTitrable base0.5µeq/g maxUV Abs. at 270 nm1.00AU maxUV Abs. at 275 nm0.30AU maxUV Abs. at 280 nm0.20AU maxUV Abs. at 300 nm0.05AU maxUV Abs. at 350 nm0.01AU maxUV Cut-off270nm maxWater (H2O)300ppm max

Safety Information

• Pictograms: GHS02,GHS08,GHS07
• Signal Word: Danger
• Hazard Statements: H226,H312 + H332,H319,H360D
• Precautionary Statements: P210 - P280 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 135.5 °F - closed cup
• Flash Point(C): 57.5 °C - closed cup