Dimethyl sulfoxide
SIAL/900645 - anhydrous, ZerO2®, ≥99.9%
Synonym: Degassed and low oxygen dimethyl sulfoxide; Dimethyl sulfoxide ZerO2®; DMSO
CAS Number: 67-68-5
Empirical Formula (Hill Notation): C2H6OS
Molecular Weight: 78.13
EC Number: 200-664-3
MDL Number: MFCD00002089
Linear Formula: (CH3)2SO
Product Type: Chemical
| assay | ≥99.9% |
| autoignition temp. | 573 °F |
| bp | 189 °C (lit.) |
| density | 1.10 g/mL (lit.) |
| dilution | (for analytical testing) |
| expl. lim. | 42 %, 63 °F |
| form | liquid |
| grade | ZerO2® |
| impurities | ≤0.005% water water |
| InChI | 1S/C2H6OS/c1-4(2)3/h1-2H3 |
| InChI key | IAZDPXIOMUYVGZ-UHFFFAOYSA |
| mp | 16-19 °C (lit.) |
| quality | anhydrous |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | CS(C)=O |
| vapor density | 2.7 (vs air) |
| vapor pressure | 0.42 mmHg ( 20 °C) |
| Application: | ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content. |
| Disclaimer: | Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product. |
| Legal Information: | ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC |
| WGK Germany | WGK 1 |
| Flash Point(F) | 188.6 °F - closed cup |
| Flash Point(C) | 87 °C - closed cup |
| Purity | ≥99.9% |
| bp | 189 °C (lit.) |
| mp | 16-19 °C (lit.) |
| Density | 1.10 g/mL (lit.) |
| Refractive Index | n |
| UNSPSC | 12191502 |