MX1458

Dimethyl sulfoxide

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• Synonym(s): Dimethyl sulfoxide, Dimethyl Sulfoxide, DMSO, DMSO
• Linear Formula: (CH₃)₂SO
• CAS Number: 67-68-5
• Molecular Weight: 78.13
• Beilstein/REAXYS Number: 506008
• MDL number: MFCD00002089
• UNSPSC Code: 12352119
• EC Index Number: 200-664-3

Properties

• agency: meets USP/NF
• Quality Level: 200
• vapor density: 2.7 (vs air)
• vapor pressure: 0.42 mmHg ( 20 °C)
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 573 °F
• expl. lim.: 42 %, 63 °F
• impurities: ≤0.001 meq/g Titrable acid; ≤0.1% Water (H2O)
• evapn. residue: ≤0.01%
• color: APHA: ≤10
• refractive index: n20/D 1.479 (lit.)
• bp: 189 °C (lit.)
• mp: 16-19 °C (lit.)
• transition temp: flash point 87 °C
• solubility: 1000 g/L
• density: 1.10 g/mL (lit.)
• shipped in: ambient
• storage temp.: room temp
• SMILES string: CS(C)=O
• InChI: 1S/C2H6OS/c1-4(2)3/h1-2H3
• InChI key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Description

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Caution

Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.

Analysis Note

AppearanceClear, colorless liquidAssay (GC)99.9% minColor (APHA)10 maxEvaporation residue0.01% maxTitrable acid0.001meq/g maxWater (H2O)0.1% max

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 188.6 °F - closed cup
• flash_point_c: 87 °C - closed cup