154806

N,N-Dimetilacetamida

spectrophotometric grade, ≥99%

• Fórmula lineal: CH₃CON(CH₃)₂
• Número de CAS: 127-19-5
• Peso molecular: 87.12
• Beilstein/REAXYS Number: 1737614
• EC Number: 204-826-4
• MDL number: MFCD00008686
• UNSPSC Code: 12352111
• PubChem Substance ID: 329750896
• NACRES: NA.21

Propiedades

• grade: spectrophotometric grade
• Quality Level: 100
• vapor density: 3 (vs air)
• vapor pressure: 2 mmHg ( 25 °C); 4 mmHg ( 38 °C)
• assay: ≥99%
• form: liquid
• autoignition temp.: 914 °F
• expl. lim.: 1.8 %, 100 °F; 11.5 %, 160 °F
• technique(s): UV/Vis spectroscopy: suitable
• impurities: <0.050% water
• evapn. residue: <0.001%
• refractive index: n20/D 1.437 (lit.)
• pH: 4 (20 °C, 200 g/L)
• bp: 164.5-166 °C (lit.)
• mp: −20 °C (lit.)
• density: 0.937 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 270 nm A_max: 1.00; λ: 280 nm A_max: 0.30; λ: 290 nm A_max: 0.15; λ: 310 nm A_max: 0.05; λ: 320 nm A_max: 0.03; λ: 360-400 nm A_max: 0.01
• SMILES string: CN(C)C(C)=O
• InChI: 1S/C4H9NO/c1-4(6)5(2)3/h1-3H3
• InChI key: FXHOOIRPVKKKFG-UHFFFAOYSA-N

Descripción

General description

N,N-Dimethylacetamide (DMAc) is widely used to compose solvent mixtures for cellulose. Static and dynamic light scattering studies of cellulose dissolved in varying concentrations of DMAc/LiCl mixtures have been reported.

Application

N,N-Dimethylacetamide have been used as solvent in the preparation of nanocomposite materials, comprising of cellulose and hydroxyapatite, using microwave-assisted method. It has also been used as a solvent for poly(ether imides), which can be used to coat magnesium alloys, in order to prevent corrosion.

Información de seguridad

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H312 + H332,H319,H360D
• pcodes: P202 - P280 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 2
• flash_point_f: 147.2 °F - closed cup
• flash_point_c: 64 °C - closed cup