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108456 Aldrich

Trimethyl orthoformate

99%

Synonym: Trimethoxymethane

  • CAS Number 149-73-5

  • Linear Formula CH(OCH3)3

  • Molecular Weight 106.12

  •  Beilstein Registry Number 969215

  •  EC Number 205-745-7

  •  MDL number MFCD00008483

  •  eCl@ss 39021015

  •  PubChem Substance ID 24846805

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Properties

Related Categories Acetals/Ketals/Ortho Esters, Building Blocks, Chemical Synthesis, Organic Building Blocks, Oxygen Compounds More...
vapor density   3.67 (vs air)
vapor pressure   23.5 mmHg ( 20 °C)
  40 mmHg ( 30 °C)
  57 mmHg ( 40 °C)
InChI Key   PYOKUURKVVELLB-UHFFFAOYSA-N
assay   99%
expl. lim.   5.1 %
refractive index   n20/D 1.379(lit.)
bp   101-102 °C(lit.)
density   0.97 g/mL at 25 °C(lit.)

Description

Packaging

20 L in poly drum

250, 500 mL in glass bottle

Application

Trimethyl orthoformate was used as dehydrating agent in the preparation of surface-modified colloidal silica nanoparticles.

General description

Trimethyl orthoformate is an effective solvent for thallium(III) nitrate-mediated oxidations. It undergoes acid catalyzed reaction with 6-(N-D-ribitylanilino) uracils to form 8-demethyl-8-hydroxy-5-deazariboflavins.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3272 3 / PGII
WGK Germany 
1
RTECS 
RM6650000
Flash Point(F) 
48.2 °F
Flash Point(C) 
9 °C

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