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Alfa Aesar™ Trimethyl orthoformate, 99%

$65.81 - $65.81

Chemical Identifiers

Chemical Name or Material Trimethyl orthoformate
CAS 149-73-5
Molecular Formula HC(OCH3)3
Formula Weight 106.12g/mol
MDL Number MFCD00008483
UN Number UN3272
Beilstein 969215
Merck Index 14,6884
Synonym Methyl orthoformate; Orthoformic acid trimethyl ester
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA13760AP

 
alfa aesar™
A13760-AP
500mL Each for $65.81

AAA137600F

 
alfa aesar™
A13760-0F
2500mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Melting Point −53°C
Boiling Point 101° to 102°C
Quantity 500mL
Flash Point 15°C (59°F)
Chemical Name or Material Trimethyl orthoformate
CAS 149-73-5
Assay 99%
Molecular Formula HC(OCH3)3
Formula Weight 106.12g/mol
MDL Number MFCD00008483
UN Number UN3272
Beilstein 969215
Merck Index 14,6884
Synonym Methyl orthoformate; Orthoformic acid trimethyl ester
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H225-H315-H319-H335
Highly flammable liquid and vapour.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: ESTERS, N.O.S.
RTECS Number RM6650000
TSCA TSCA

Applications
Trimethyl orthoformate is used as a protecting group for aldehydes in organic synthesis, as an additive in polyurethane coatings and as a dehydrating agent in the preparation of surface modified colloidal silica nanoparticles. It is also used as a chemical intermediate in the preparation of vitamin B1 and sulfa drugs. It acts as an effective solvent for thallium(III) nitrate-mediated oxidations. Furthermore. It is utilized for the synthesis of chromone from keto-hydroxy naphthol in the presence of trimethylamine.

Solubility
Miscible with ether, alcohol and benzene.

Notes
Moisture sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with acids and strong oxidizing agents.

Safety and Handling

Danger

GHS P Statement
P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H225-H315-H319-H335
Highly flammable liquid and vapour.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.