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Dimethyl sulfoxide/ pharmaceutic lDMSO 99.5%/CAS No.: 67-68-5
CAS No.: 67-68-5 Other Names: DMSO MF: (CH3)2-S-O
EINECS No.: 200-664-3
Specifications
SELLdimethylsulfoxide / DMSO /CAS 67-68-5 -99.5%
99.5% Liaoning 230kg/drum
Product name: Dimethylsulfoxide, Simple structur
SELLdimethylsulfoxide / DMSO /CAS 67-68-5 -99.5%
.5% Liaoning 230kg/drum
Product name: Dimethyl sulfoxide, DMSO
Simple structure: (CH3)2-S-O
Product name: Dimethylsulfoxide
Alias: Methyl sulfoxide; Sulfinylbis (methane); DMSO; Me2SO
Molecular formula: C2H6OS
Molecular weight: 78.12
CAS No.: 67-68-5
1. Properties: Colorless viscous transparent oily liquid or crystal. Weak alkaline, almost odorless, slight bitter taste.
2. Density (g/mL, and 20/4οC): 1.100
3. Relative vapor density (g/mL, air=1): 2.7
4. Melting point (οC): 18.45
5. Boiling point (οC, atmospheric pressure): 189
6. Refractive index (25οC): 1.4795
7. Viscosity (mPa·s,25οC): 1.1
8. Flash point (οC, open cup): 95
9. Ignition point (οC): 300~302
10.Heat of vaporization (KJ/mol, and 25οC): 52.92
11.Heat of fusion (KJ/mol): 13.94
DMSO is used as extraction solvent in aromatic extraction.
|
ITEM |
SPECIFICATION |
RESULTS |
|
Pt-Co chrominance |
≤10 |
5 |
|
Formic acid ppm |
≤25 |
1 |
|
PH:25°C 20%Aqueous solution |
6.5-8.0 |
7.03 |
|
Electric Conductivity: 25°C 20%Aqueous solution, us |
≤10 |
0.07 |
|
Moisture ppm |
≤500 |
100 |
|
Fe ppm |
≤0.05 |
0.005 |
|
Methanol ppm |
≤20 |
4 |
|
Heavy compoment (dimethyl Acetamide) ppm |
≤500 |
42 |
|
DMF % |
≥99.9 |
99.99 |
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