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43340 Sigma-Aldrich

1,1,3,3-Tetramethyl-1,3-diphenyldisilazane

for GC derivatization, n/D

Synonym: 1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS

  • CAS Number 3449-26-1

  • Linear Formula [C6H5Si(CH3)2]2NH

  • Molecular Weight 285.53

  •  Beilstein Registry Number 2738118

  •  EC Number 222-372-5

  •  MDL number MFCD00042916

  •  PubChem Substance ID 329756334

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Derivatization Reagents, Derivatization Reagents GC, Reagents for Deactivating Glassware and Chromatographic Supports,
grade   for GC derivatization
InChI Key   HIMXYMYMHUAZLW-UHFFFAOYSA-N
refractive index   n20/D 1.538(lit.)
  n20/D 1.538
bp   96-100 °C/0.1 mmHg(lit.)
density   0.985 g/mL at 25 °C(lit.)

Description

Other Notes

For the deactivation of glass capillary columns by persilylation ; The lithium amide is used for the selective formation of (Z)-enolates from ketones

Application

DPTMDS may be used as ink to pattern semiconductor surfaces using Dip-Pen Nanolithography. It may also be used to deactivate the retention gap during GC-MS analysis of trimethylsilyl derivatives.

General description

1,1,3,3-Tetramethyl-1,3-diphenyldisilazane (DPTMDS) is a derivatizing agent.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
235.4 °F
Flash Point(C) 
113 °C
Protocols & Articles

Articles

Silylating Reagents for GC-MS Compatible Derivatives of NSAIDs

Human and veterinary pharmaceuticals are a group of “emerging” contaminants,1, 2 some of which are produced in increasingly large volumes every year. The amounts produced are reaching quantities simi...
Luis-Alberto Martin
AnalytiX Volume 10 Article 2
Keywords: Anti-inflammatory agents, Derivatizations, Environmental, Gas chromatography, Gas chromatography mass spectrometry, Mass spectrometry, Metabolites, Pesticides, Pharmaceutical, Silylations, Veterinary

Peer-Reviewed Papers
15

References

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