MX1456

Dimethyl sulfoxide

OmniSolv^®

• 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

• vapor density: 2.7 (vs air)
• Quality Level: 200; 300
• vapor pressure: 0.42 mmHg ( 20 °C)
• product line: OmniSolv^®
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 573 °F
• expl. lim.: 42 %, 63 °F
• technique(s): HPLC: suitable; LC/MS: suitable; gas chromatography (GC): suitable
• impurities: ≤0.05% Water (H₂O)
• evapn. residue: ≤5 ppm
• 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.)
• UV cutoff: ≤263 nm
• UV absorption: λ: 263 nm A_max: ≤1.00; λ: 270 nm A_max: ≤0.40; λ: 275 nm A_max: ≤0.25; λ: 280 nm A_max: ≤0.20; λ: 335 nm A_max: ≤0.02; λ: 350-400 nm A_max: ≤0.01
• 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

MX1456P-6 and MX1456P-1 are packaged in poly coated glass bottles

OmniSolv^®

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.

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Assay (GC)99.9% minColor (APHA)10 maxEvaporation residue5ppm maxFiltered through 0.2 µm filterTo pass testFormClear liquidInfrared SpectrumConforms to standardUV Abs. at 263 nm1.00AU maxUV Abs. at 270 nm0.40AU maxUV Abs. at 275 nm0.25AU maxUV Abs. at 280 nm0.20AU maxUV Abs. at 335 nm0.02AU maxUV Abs. at 350 - 400 nm0.01AU maxUV Cut-off263nm maxWater (H2O)0.05% max

Legal Information

OMNISOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

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