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N,N-Dimethylacetamide CAS#127-19-5
CAS Number: 127-19-5
Chemical Formula:C4H9NO
Synonyms:
N,N-Dimethylacetamide, 99%, pure
N,N-Dimethylacetamide, 99+%, for spectroscopy
N,N-Dimethylacetamide, 99+%, extra pure
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: White to yellow liquid
N,N-Dimethylacetamide CAS#127-19-5
N,N-dimethylacetamide is a member of the class of acetamides that is acetamide in which the hydrogens attached to the N atom have been replaced by two methyl groups respectively. Metabolite observed in cancer metabolism. It has a role as a human metabolite. It is a member of acetamides and a monocarboxylic acid amide. It is functionally related to an acetamide.
| N,N-Dimethylacetamide Chemical Properties |
| 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 | n |
| 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 |
| Appearance | Solid Powder |
| Odor | Faint ammonia odor |
| PH | 4 (200g/l, H2O, 20℃) |
| 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 |
| λmax | λ: 270 nm Amax: 1.00 λ: 280 nm Amax: 0.30 λ: 290 nm Amax: 0.15 λ: 310 nm Amax: 0.05 λ: 320 nm Amax: 0.03 λ: 360-400 nm Amax: 0.01 |
| 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（25℃） |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | FXHOOIRPVKKKFG-UHFFFAOYSA-N |
| LogP | -0.77 at 25℃ |
| Surface tension | 37.13mN/m at 293.15K |
| CAS DataBase Reference | 127-19-5(CAS DataBase Reference) |
| IARC | 2B (Vol. 123) 2020 |
| NIST Chemistry Reference | Acetamide, N,N-dimethyl-(127-19-5) |
| EPA Substance Registry System | Dimethylacetamide (127-19-5) |
| Safety Information |
| Hazard Codes | T |
| Risk Statements | 11-20/22-61-20/21-36 |
| Safety Statements | 16-24-53-45-36-28-26 |
| OEB | A |
| OEL | TWA: 10 ppm (35 mg/m3) [skin] |
| RTECS | AB7700000 |
| F | 3-10 |
| Autoignition Temperature | 914 °F |
| HS Code | 29241900 |
| Hazardous Substances Data | 127-19-5(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 5.4 ml/kg (Bartsch) |
| IDLA | 300 ppm |
| Propylene glycol Chemical Properties |
| Melting point | -60 °C (lit.) |
| Boiling point | 187 °C (lit.) |
| density | 1.036 g/mL at 25 °C (lit.) |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mm Hg ( 20 °C) |
| refractive index | n |
| FEMA | 2940 | PROPYLENE GLYCOL |
| Fp | 225 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| pka | 14.49±0.20(Predicted) |
| form | Viscous Liquid |
| color | APHA: ≤10 |
| Specific Gravity | 1.038 (20/20℃)1.036～1.040 |
| PH | 6-8 (100g/l, H2O, 20℃) |
| Odor | at 100.00 %. odorless very slight alcoholic |
| Odor Type | odorless |
| Optical Rotation | -0.11° (C=1.00g/100ml, CHCL3) |
| biological source | synthetic |
| explosive limit | 2.4-17.4%(V) |
| Water Solubility | miscible |
| Sensitive | Hygroscopic |
| Merck | 14,7855 |
| JECFA Number | 925 |
| BRN | 1340498 |
| Dielectric constant | 32.0 |
| InChIKey | DNIAPMSPPWPWGF-UHFFFAOYSA-N |
| LogP | -0.92 |
| Surface tension | 35.44mN/m at 298.15K |
| CAS DataBase Reference | 57-55-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Propylene glycol(57-55-6) |
| EPA Substance Registry System | Propylene glycol (57-55-6) |
| Safety Information |
| Safety Statements | 24/25 |
| WGK Germany | 1 |
| RTECS | TY2000000 |
| Autoignition Temperature | 779 °F |
| TSCA | Yes |
| HS Code | 29053200 |
| Hazardous Substances Data | 57-55-6(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 19400 - 36000 mg/kg LD50 dermal Rabbit 20800 mg/kg |
Product Application of N,N-Dimethylacetamide CAS#127-19-5
N,N-Dimethylacetamide is primarily used as an industrial solvent and intermediate in the manufacture of pharmaceuticals, fine chemicals, agrochemicals, polymers, and resins. It is also used as a spinning solvent in the production of fibers of various polymers, including acrylic, polyurethane, polyurea copolymer, and meta-aramid. Moreover, this aprotic dipolar solvent is also used in X-ray and photographic products and in the production of polyimide films. The polyimide films are produced for a variety of industries, including consumer electronics, solar photovoltaic and wind energy, aerospace, automotive, and industrial applications. N,N-Dimethylacetamide has other minor uses, including removal of ink, stripping of paint, and also for laboratory use.
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