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707-07-3 - Trimethyl orthobenzoate, 98% - Orthobenzoic acid trimethyl ester - alpha,alpha,alpha-Trimethoxytoluene - A10270 - Alfa Aesar

A10270 Trimethyl orthobenzoate, 98%

CAS Number
707-07-3
Synonyms
Orthobenzoic acid trimethyl ester
alpha,alpha,alpha-Trimethoxytoluene

Size Price ($) Quantity Availability
10g 33.27
50g 115.20
250g 425.60
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Trimethyl orthobenzoate, 98%

MDL
MFCD00008474
EINECS
211-897-5

Chemical Properties

Formula
(C6H5)C(OCH3)3
Formula Weight
182.22
Boiling Point
87-88°/7mm
Flash Point
82°(179°F)
Density
1.060
Refractive Index
1.4890
Sensitivity
Moisture Sensitive
Solubility
Soluble in organic solvents.

Applications

Trimethyl orthobenzoate was used in the preparation of 5-phenyl-4,6-dipyrrin and 2,3-orthoester derivatives of ethyl-1-thio-α-L-rhamnopyranoside. It reacts with indole to prepare indol-3-yl-phenyl-methanone.

Notes

Moisture Sensitive. Protect from humidity and water. Store under dry inert gas. Incompatible with oxidizing agents and moisture.

Literature References

R G Hicks; L Ohrström; G W Patenaude. Spin distributions, ring conformations, and spiroconjugation in "phosphaverdazyl" radicals. Inorganic Chemistry. 2001, 40 (8), 1865-1870.

Reaction with BF3 etherate gives the selective alkylating agent, phenyldimethoxycarbenium tetrafluoroborate, stable for a few weeks at 0o: Synth. Commun., 19, 2307 (1989).

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335-H227

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid.

Precautionary Statements: P210-P261-P280-P305+P351+P338-P304+P340-P362-P312-P405-P403+P233-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
777623
Harmonized Tariff Code
2916.39
TSCA
Yes

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