grade
PCR Reagent
Quality Level
vapor density
2.7 (vs air)
vapor pressure
0.42 mmHg ( 20 °C)
Assay
≥99.5%
form
liquid
autoignition temp.
573 °F
shelf life
Recommended retest period - 2 years
expl. lim.
42 %, 63 °F
packaging
vial of 1 mL
technique(s)
PCR: suitable
impurities
≤0.1% water
water
color
colorless
refractive index
n20/D 1.479 (lit.)
bp
189 °C (lit.)
mp
16-19 °C (lit.)
solubility
H2O: miscible (completely)
density
1.10 g/mL (lit.)
suitability
suitable for PCR
application(s)
agriculture
SMILES string
CS(C)=O
InChI
1S/C2H6OS/c1-4(2)3/h1-2H3
InChI key
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
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Related Categories
General description
Application
Caution
Other Notes
Dimethyl Sulfoxide Miscibility/Immiscibility Table
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
188.6 °F - closed cup
Flash Point(C)
87 °C - closed cup
Personal Protective Equipment
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Example:
Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
enter as 1.000309185)
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How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
Aldrich Products
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
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In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.
What is the molarity of DMSO?
DMSO will have a molarity of 14.1M, based on a density of 1.1 g/mL and a molecular weight of 78.13 g/mol.
What is the DMSO dissolved in?
DMSO is not dissolved in any solvent. It is a pure chemical compound that is a liquid at room temperature.
Where does DMSO come from?
DMSO is known to have been isolated from tree bark in the past. It is now a commericially synthesized solvent.
Does DMSO have any synthetic utility?
DMSO has been used to oxidize thiols and disulfides to sulfonic acids, hydrolysis of epoxides, thioalkylation of phenols, and oxidation of primary alcohols and halides, and esters of primary alcohols to aldehydes.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
Dimethyl sulfoxide (DMSO) should be a liquid. Why did it arrive as a solid?
DMSO supercools easily, and re-melts slowly at room temperature. The melting point is 16-19 °C. The solidified product can be re-liquefied by warming to room temperature without detriment to the product.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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