49497

Dimethyl-sulfat

for GC derivatization, LiChropur^™, ≥99.0% (GC)

• Synonym(e): Schwefelsäure-dimethylester
• Lineare Formel: (CH₃O)₂SO₂
• CAS-Nummer: 77-78-1
• Molekulargewicht: 126.13
• Beilstein: 635994
• EG-Nummer: 201-058-1
• MDL-Nummer: MFCD00008416
• UNSPSC-Code: 12000000
• PubChem Substanz-ID: 329757463
• NACRES: NA.22

Eigenschaften

• Qualität: for GC derivatization; LiChropur^™
• Qualitätsniveau: 100
• Dampfdichte: 4.3 (vs air)
• Dampfdruck: 0.7 mmHg ( 25 °C)
• Assay: ≥99.0% (GC)
• Selbstzündungstemp.: 923 °F
• Eignung der Reaktion: reagent type: derivatization reagent; reaction type: Alkylations
• Methode(n): gas chromatography (GC): suitable
• Brechungsindex: n20/D 1.386 (lit.); n20/D 1.387
• bp: 188 °C (lit.)
• mp (Schmelzpunkt): −32 °C (lit.)
• Dichte: 1.333 g/mL at 25 °C (lit.)
• SMILES String: COS(=O)(=O)OC
• InChI: 1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
• InChIKey: VAYGXNSJCAHWJZ-UHFFFAOYSA-N

Beschreibung

Anwendung

Dimethyl sulfate may be used as a derivatization reagent for the esterification reaction in the determination of pharmaceuticals by automated aqueous derivatization solid-phase microextraction (SPME) coupled with gas chromatography/mass spectrometry (GC/MS).

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Rechtliche Hinweise

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS06,GHS08,GHS05
• Signalwort: Danger
• H-Sätze: H301,H314,H317,H330,H341,H350
• P-Sätze: P202 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1
• Lagerklassenschlüssel: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): 181.4 °F - closed cup
• Flammpunkt (°C): 83 °C - closed cup