1.02937

N,N-Dimetilformamida

for spectroscopy Uvasol^®

• Sinónimos: DMF, NSC 5356
• Fórmula lineal: HCON(CH₃)₂
• Número de CAS: 68-12-2
• Peso molecular: 73.09
• Beilstein/REAXYS Number: 605365
• MDL number: MFCD00003284
• UNSPSC Code: 12191502
• EC Index Number: 200-679-5
• NACRES: NA.03

Propiedades

• vapor density: 2.5 (vs air)
• Quality Level: 100
• vapor pressure: 2.7 mmHg ( 20 °C)
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 833 °F
• potency: 3010 mg/kg LD₅₀, oral (Rat); 1500 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 15.2 %
• technique(s): UV/Vis spectroscopy: suitable
• impurities: ≤0.0002 meq/g Acidity; ≤0.0002 meq/g Alkalinity; ≤0.02% Water
• evapn. residue: ≤0.0002%
• color: APHA: ≤10
• transmittance: 270 nm, ≥25%; 275 nm, ≥60%; 290 nm, ≥80%; 300 nm, ≥90%; 330 nm, ≥98%
• 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 absorption: λ: 270 nm A_max: ≤0.60; λ: 275 nm A_max: ≤0.22; λ: 290 nm A_max: ≤0.10; λ: 300 nm A_max: ≤0.05; λ: 330 nm A_max: ≤0.01
• storage temp.: 2-30°C
• SMILES string: [H]C(=O)N(C)C
• InChI: 1S/C3H7NO/c1-4(2)3-5/h3H,1-2H3
• InChI key: ZMXDDKWLCZADIW-UHFFFAOYSA-N

Descripción

Application

Disolvente para muchos compuestos orgánicos hidrófobos.

Analysis Note

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.02 %
Colour: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 270 nm): ≥ 25 %
Transmission (at 275 nm): ≥ 60 %
Transmission (at 290 nm): ≥ 80 %
Transmission (at 300 nm): ≥ 90 %
Transmission (from 330 nm): ≥ 98 %
Absorbance (at 270 nm): ≤ 0.60
Absorbance (at 275 nm): ≤ 0.22
Absorbance (at 290 nm): ≤ 0.10
Absorbance (at 300 nm): ≤ 0.05
Absorbance (from 330 nm): ≤ 0.01
Meet the requirements of "Specific use spectroscopy" according ACS

Other Notes

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Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• pictograms: GHS02,GHS07,GHS08
• signalword: Danger
• hcodes: H226 - H312 + H332 - H319 - H360D
• pcodes: 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: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 135.5 °F - closed cup
• flash_point_c: 57.5 °C - closed cup