34869
Dimethyl sulfoxide
suitable for HPLC, ≥99.7%
Synonym(s):
DMSO
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About This Item
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein/REAXYS Number:
506008
EC Number:
MDL number:
UNSPSC Code:
41116105
PubChem Substance ID:
NACRES:
NA.21
Grade:
HPLC grade
Assay:
≥99.7%
Technique(s):
HPLC: suitable
Application(s):
food and beverages
Bp:
189 °C (lit.)
Vapor pressure:
0.42 mmHg ( 20 °C)
grade
HPLC grade
Quality Level
vapor density
2.7 (vs air)
vapor pressure
0.42 mmHg ( 20 °C)
assay
≥99.7%
form
liquid
autoignition temp.
573 °F
expl. lim.
42 %, 63 °F
technique(s)
HPLC: suitable
impurities
≤0.002% non-volatile matter
≤0.2% water (Karl Fischer)
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General description
Dimethyl sulfoxide (DMSO) is a polar organic solvent. DMSO activated by various electrophiles (oxalyl chloride) has been used to oxidize various alcohols (primary, secondary, allylic, benzylic, hindered and bicyclic). Carbonyl compounds are formed as reaction products. Due to its higher stability, it has been proposed as an alternate solvent for methyl cellosolve for use in ninhydrin reaction.
Application
Suitable for HPLC, spectrophotometry, environmental testing
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.
Other Notes
For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table
Dimethyl Sulfoxide Miscibility/Immiscibility Table
Important notice
- The article number 34869-4X2.5L will be discontinued. Please order the single bottle 34869-2.5L which is physically identical with the same exact specifications.
- The article number 34869-6X1L will be discontinued. Please order the single bottle 34869-1L which is physically identical with the same exact specifications.
Storage Class
10 - Combustible liquids
wgk_germany
WGK 1
flash_point_f
188.6 °F - closed cup
flash_point_c
87 °C - closed cup
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