CAS No.: | 127-19-5 |
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Formula: | C4h9no |
EINECS: | 204-826-4 |
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Product Name: | N,N-Dimethylacetamide |
Synonyms: | Acetic acid dimethylacetamide;N,N-Dimethylacetamide, 99%, pure;N,N-Dimethylacetamide; N,N-Dimethylacetamide, 99+%, extra pure;N,N-DiMethylacetaMide, for spectroscopy, 99+% 250ML;N,N-DiMethylacetaMid |
CAS: | 127-19-5 |
MF: | C4H9NO |
MW: | 87.12 |
EINECS: | 204-826-4 |
Melting point | -20 °C (lit.) |
Boiling point | 164.5-166 °C (lit.) |
density | 0.937 g/mL at 25 °C (lit.) |
vapor density | 3.89 (vs air) |
vapor pressure | 40 mm Hg ( 19.4 °C) |
refractive index | n20/D 1.439(lit.) |
Fp | 158 °F |
storage temp. | Store below +30°C. |
solubility | >1000g/l soluble |
form | Liquid |
pka | -0.41±0.70(Predicted) |
color | Colorless to yellowish |
PH | 4 (200g/l, H2O, 20ºC) |
Odor | Faint ammonia odor |
PH Range | 4 at 200 g/l at 20 °C |
Relative polarity | 6.3 |
Odor Threshold | 0.76ppm |
explosive limit | 1.7-11.5%(V) |
Water Solubility | miscible |
Merck | 14,3227 |
BRN | 1737614 |
Exposure limits | NIOSH REL: TWA 10 ppm (35 mg/m3), IDLH 300 ppm; OSHA PEL: TWA 10 ppm; ACGIH TLV: TWA 10 ppm (adopted). |
Dielectric constant | 37.8(25ºC) |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
InChIKey | FXHOOIRPVKKKFG-UHFFFAOYSA-N |
LogP | -0.77 at 25ºC |
CAS DataBase Reference | 127-19-5(CAS DataBase Reference) |
NIST Chemistry Reference | Acetamide, N,N-dimethyl-(127-19-5) |
IARC | 2B (Vol. 123) 2020 |
EPA Substance Registry System | Dimethylacetamide (127-19-5) |
ITEM | SPECIFICATION |
Appearance | Clear and free of suspended matter |
N,N-Dimethyl Acetamide Content % | 99.9% Min. |
Color (Hazen) | 10 Max. |
Water, % | 0.03% Max. |
Acidity (As Acetic Acid) % | 0.01% Max. |
Iron, ppm | 0.05 Max. |
Basicity (DMA), ppm | 5 Max. |
Conductivity (Pure DMAC) μs/cm | 0.2 Max. |
1. N,N-Dimethylacetamide is used as a polar solvent in organic synthesis as well as in reactions involving strong bases such as sodium hydroxide.
2. It is also used as a solvent for fibers like polyacrylonitrile, spandex, as an excipient in drugs viz. vumon, busulfex and in the adhesive industry.
3. It finds application as a reaction medium in the production of pharmaceuticals, agrochemicals, dyes and plasticizers.
4. It is widely used in polymer industry due to its high solving power for high molecular-weight polymers and synthetic resins.
5. It plays an important role as a catalyst in various reactions viz. cyclization, halogenation, cynidation, alkylation and dehydrogenation and increases the yield of main products.
6. It is also used as an extracting agent for oil and gases, in paint removers, in the production of photo-resist stripping compounds and as booster solvent in coatings.
Packing: 1900kgs/drum, 80 drums/20ft FCL
Shipment:
Suitable for more than 500kgs. Delivery 15 to 45 days, low cost, port to port, professional forwarder needed.
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