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D186309 Sigma-Aldrich

Dimethyl sulfate

≥99.8%

Synonym: Sulfuric acid dimethyl ester

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Properties

Related Categories Alkyl Transfer, C-X Bond Formation (Non-Halogen), Chemical Synthesis, Synthetic Reagents
vapor density   4.3 (vs air)
vapor pressure   0.7 mmHg ( 25 °C)
InChI Key   VAYGXNSJCAHWJZ-UHFFFAOYSA-N
assay   ≥99.8%
autoignition temp.   923 °F
refractive index   n20/D 1.386(lit.)
bp   188 °C(lit.)
mp   −32 °C(lit.)
density   1.333 g/mL at 25 °C(lit.)

Description

Packaging

1 L in Sure/Seal™

5 mL in glass bottle

View returnable container options.

100, 4×100, 500 mL in Sure/Seal™

18 L in Kilo-Lab™

Application

Dimethyl sulfate may be used along with alumina for preparation of monomethylated derivatives of alcohols, phenols and carboxylic acids. It may also be used in combination with dimethylformamide (DMF) to form methoxy-methylene-N,N-dimethyliminium salt, that can be utilized for the preparation of β-lactams.

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1595 - class 6.1 - PG 1 - Dimethyl sulphate
WGK Germany 
3
RTECS 
WS8225000
Flash Point(F) 
181.4 °F
Flash Point(C) 
83 °C

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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Description

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41610 Dimethyl sulfate, puriss. p.a., ≥99.0% (GC)

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