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41639

Dimethylsulfoxid

BioUltra, Molecular Biology, ≥99.5% (GC)

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Synonym(e):

DMSO, Methylsulfoxid

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Größe/SKUVerfügbarkeitPreis
100 mL
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€ 98,30
500 mL
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€ 225,00

Über diesen Artikel

Lineare Formel:
(CH3)2SO
CAS-Nummer:
Molekulargewicht:
78.13
UNSPSC Code:
12191502
NACRES:
NA.25
PubChem Substance ID:
EC Number:
200-664-3
Beilstein/REAXYS Number:
506008
MDL number:
Assay:
≥99.5% (GC)
Grade:
Molecular Biology
Technique(s):
GC/GC: suitable
Bp:
189 °C (lit.)
Vapor pressure:
0.42 mmHg ( 20 °C)

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grade

Molecular Biology

Quality Segment

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

product line

BioUltra

assay

≥99.5% (GC)

form

liquid

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

technique(s)

GC/GC: suitable

impurities

Dnases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% free acid (as CH3COOH)

evapn. residue

≤0.005%

color

colorless

refractive index

n20/D 1.479

bp

189 °C (lit.)

mp

16-19 °C (lit.)

solubility

H2O: miscible (completely)

density

1.10 g/mL (lit.)

SMILES string

CS(C)=O

cation traces

Al: ≤0.5 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.5 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Mo: ≤0.1 mg/kg, Na: ≤1 mg/kg, Ni: ≤0.5 mg/kg, Pb: ≤0.1 mg/kg, Sr: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

λ

neat

UV absorption

λ: 280 nm Amax: 0.22

suitability

suitable for molecular biology

InChI

1S/C2H6OS/c1-4(2)3/h1-2H3

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

General description

Dimethylsulfoxid (DMSO) ist ein wirksames aprotisches Lösungsmittel. Es ist farblos, geruchlos und von Natur aus hygroskopisch. DMSO verbessert die Permeabilität von verschiedenen hydrophilen und lipophilen Permeationsmitteln. Es ist eines der im Labor am häufigsten eingesetzten Lösungsmittel.

Application

Dimethylsulfoxid (DMSO) wird in verschiedenen experimentellen Untersuchungen als Träger für Testverbindungen eingesetzt. Es wird auch als Lösungsmittel im Amyloid β (Aβ)-Aggregationsprotokoll zur erneuten Solubilisierung von Peptid eingesetzt, um seinen dissoziierten Zustand zu erhalten.

Other Notes

Polybren/DMSO-unterstützter Gentransfer

Disclaimer

Unterkühlt leicht und schmilzt langsam bei Raumtemperatur. Das verfestigte Produkt kann durch Erwärmen auf Raumtemperatur wieder verflüssigt werden, ohne dabei geschädigt zu werden.

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Dieser Artikel
PHR1309317275D2653
description

BioUltra, Molecular Biology, ≥99.5% (GC)

description

Pharmaceutical Secondary Standard; Certified Reference Material

description

ACS Reagent Grade.

description

Hybri-Max™, 0.2 μm filtered, BioReagent, suitable for hybridoma, ≥99.7%, Ampoule

technique(s)

GC/GC: suitable

technique(s)

gas chromatography (GC): suitable, HPLC: suitable

technique(s)

-

technique(s)

cryopreservation: suitable, cell culture | hybridoma: suitable

assay

≥99.5% (GC)

assay

-

assay

≥99% (GC)

assay

≥99.7%

grade

Molecular Biology

grade

pharmaceutical secondary standard, certified reference material

grade

-

grade

Hybri-Max™

Quality Level

200

Quality Level

300

Quality Level

100

Quality Level

300

solubility

H2O: miscible (completely)

solubility

-

solubility

-

solubility

H2O: miscible (completely)

form

liquid

form

-

form

liquid

form

liquid


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Lagerklasse

10 - Combustible liquids

Was ist los?

WGK 1

Flammpunkt (°F)

188.6 °F - closed cup

Flammpunkt (°C)

87 °C - closed cup

PSA (Persönliche Schutzausrüstung)

Eyeshields, Gloves, type ABEK (EN14387) respirator filter



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Questions

1–10 of 11 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. Where does DMSO come from?

    1 answer
    1. DMSO is known to have been isolated from tree bark in the past. It is now a commericially synthesized solvent.

      Helpful?

  4. What is Sure/Seal™ packaging?

    1 answer
    1. The Aldrich Sure/Seal™ packaging system is useful in the handling and storage of air-sensitive reagents.

      Helpful?

  5. What type of filter is used to sterile-filter Dimethyl sulfoxide (DMSO)?

    1 answer
    1. DMSO can be sterile-filtered through a 0.2 micron PTFE filter. The sterility testing is per the current US Pharmacopoeia method.

      Helpful?

  6. What is the DMSO dissolved in?

    1 answer
    1. DMSO is not dissolved in any solvent. It is a pure chemical compound that is a liquid at room temperature.

      Helpful?

  7. Does DMSO have any synthetic utility?

    1 answer
    1. 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.

      Helpful?

  8. Dimethyl sulfoxide (DMSO) should be a liquid.  Why did it arrive as a solid?

    1 answer
    1. 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.

      Helpful?

  9. What is the molarity of DMSO?

    1 answer
    1. 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.

      Helpful?

  10. Is Dimethyl sulfoxide a sterile product?

    1 answer
    1. No, this product is not considered sterile.  Product Nos. D2560 and D2438 are sterile-filtered.

      Helpful?

1–10 of 11 Questions  

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