CASR |
: | 127-19-5 |
Molecular Formula |
: | CH3CON(CH3)2 |
Molecular Weight |
: | 87.12 |
| Specifications | |
|---|---|
| Description: | Clear colourless liquid with a chracteristic odour |
| Appearance: | The substance to be examined is clear and not more intensely coloured than reference solution Y7. |
| Miscibility: | Miscible with ethanol (95%), water & most common solvent |
| Identification by IR: | IR spectra of the sample should be concomittant with IR spectra of the corresponding standard. |
| Identification by Chemical test: | A reddish-brown colour develop, reaching a maximum intensity after about 5 min |
| Boiling range (95%): | 164.5°C to 167.5°C |
| Relative density, 20°C: | 0.941 to 0.944 |
| Refractive index (20°C ± 0.5°C): | 1.437 - 1.438 |
| Acidity: | Not more than 5.0 mL of 0.02M potassium hyrodxide should require to restore the initia (Bluish-green) colour |
| Alkalinity: | Not more than 0.5 mL of 0.02M hydrochloric acid should require to restore the initial (Yellow) colour |
| Non-volatile matter: | Not more than 20ppm |
| Chloride (Cl): | Not more than 10ppm |
| Sulphate (SO4): | Not more than 10ppm |
| Lead (Pb): | Not more than 0.5ppm |
| Arsenic (As): | Not more than 1.5ppm |
| Cadmium(Cd): | Not more than 0.2ppm |
| Mercury(Hg): | Not more than 0.3ppm |
| Related substances (Any impurity): | Not more than 0.1% |
| Related substances (Total impurity): | Not more than 0.3% |
| UV absorbance profile (10mm cell)@270nm: | 1.0 max |
| UV absorbance profile (10mm cell)@300nm: | 0.1 max |
| UV absorbance profile (10mm cell)@360nm: | 0.01 max |
| Purity (By GC): | Min.99.8% |
| Water (By KF): | Not more than 0.05% (w/w) |
| Bacterial endotoxins: | NMT 2.0 EU/mL |
| Total aerobic bacterial count: | NMT 100CFU/mL |
| Total combined yeast and molds count: | NMT 10CFU/mL |
| E.coli: | Must be Absent per mL |
| Salmonella: | Must be Absent per 10 mL |
| Pseud. aeruginosa: | Must be Absent per mL |
| Staphylococcus aureus: | Must be Absent per mL |
| Bile-tolerant gram negative bacteria: | Must be Absent per mL |
