Methyl sulfoxide
SIAL/W387520 - ≥99%, FG
Synonym: Dimethyl sulfoxide; 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
| agency | meets purity specifications of JECFA |
| application(s) | flavors and fragrances |
| assay | ≥99% |
| autoignition temp. | 573 °F |
| biological source | synthetic |
| bp | 189 °C (lit.) |
| density | 1.10 g/mL (lit.) |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 42 %, 63 °F |
| food allergen | no known allergens |
| grade | FG |
| Halal | |
| InChI | 1S/C2H6OS/c1-4(2)3/h1-2H3 |
| InChI key | IAZDPXIOMUYVGZ-UHFFFAOYSA |
| mp | 16-19 °C (lit.) |
| organoleptic | fatty; garlic; mushroom; oily; cheesy |
| Quality Level | 300 ![]() |
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 178/2002 |
| FDA 21 CFR 172.859 | |
| SMILES string | CS(C)=O |
| vapor density | 2.7 (vs air) |
| vapor pressure | 0.42 mmHg ( 20 °C) |
| Application: |
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| 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. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 10, 25 kg in poly drum |
| WGK Germany | WGK 1 |
| Flash Point(F) | 188.6 °F - closed cup |
| Flash Point(C) | 87 °C - closed cup |
| Purity | ≥99% |
| bp | 189 °C (lit.) |
| mp | 16-19 °C (lit.) |
| Density | 1.10 g/mL (lit.) |
| Refractive Index | n |
| FEMA Number | 3875 |
| UNSPSC | 12164502 |

