Complaint
Dimethyl sulfoxide for uv spectral analysis cas 67-68-5
| Dimethyl sulfoxide Basic information | |
| Product Name: | Dimethyl sulfoxide |
| CAS: | 67-68-5 |
| MF: | C2H6OS |
| MW: | 78.13 |
| EINECS: | 200-664-3 |
| Dimethyl sulfoxide Chemical Properties | |
| Melting point | 18.4 °C |
| Boiling point | 189 °C(lit.) |
| density | 1.100 g/mL at 20 °C |
| vapor density | 2.7 (vs air) |
| vapor pressure | 0.42 mm Hg ( 20 °C) |
| FEMA | 3875 | METHYLSULFINYLMETHANE |
| refractive index | n20/D 1.479(lit.) |
| Fp | 192 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: miscible (completely) |
| pka | 35(at 25ºC) |
| form | liquid (temperature dependent) |
| color | clear colorless |
| Relative polarity | 0.444 |
| Odor | Mild garlic odor |
| explosive limit | 1.8-63.0%(V) |
| Water Solubility | Soluble in water, methanol, acetone, ether, benzene, chloroform. |
| FreezingPoint | 18.4ºC |
| Sensitive | Hygroscopic |
| λmax | λ: 285 nm Amax: ≤0.20 |
| λ: 295 nm Amax: ≤0.20 | |
| JECFA Number | 507 |
| Merck | 143,259 |
Purity | 99.99% |
WaterContent(KF%) | 0.006 |
Acidvalue(mg/g) | 0.01 |
Crystallization point(ºC) | >18.30 |
Transmittancy(400nm,%) | >99 |
Refractiveindex(20ºC) | 1.4790 |
Chroma(APHA) | <5 |
Density(25ºC)kg/m3 | 1.098 |
Reductive substances(as for maldehyde)% | 0.005 |
