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613-45-6 - 2,4-Dimethoxybenzaldehyde, 98% - A12549 - Alfa Aesar

A12549 2,4-Dimethoxybenzaldehyde, 98%

CAS-Nummer
613-45-6
Synonyme

Größe Preis ($) Menge Verfügbarkeit
25g 45,27
100g 134,10
500g 448,05
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2,4-Dimethoxybenzaldehyde, 98%

MDL
MFCD00003311
EINECS
210-342-4

Chemische Eigenschaften

Formel
C9H10O3
Molmasse
166.18
Schmelzpunkt
67-71°
Siedepunkt
165°/10mm
Sensitivität
Air Sensitive
Löslichkeit
Insoluble in water. Soluble in chlorofrom.

Anwendungen

2,4-Dimethoxybenzaldehyde is used as a reagent to specifically quantify phlorotannins. It is also used as a component of hair dyes.

Bemerkungen

Air sensitive. Incompatible with oxidizing agents.

Literaturverweise

Aliakbar Dehno Khalaji; Karla Fejfarova; Michal Dusek. Synthesis and characterization of two Diimine Schiff Bases derived from 2,4-dimethoxybenzaldehyde: The crystal structure of N,N’-Bis(2,4-dimethoxybenzylidene)-1,2-diaminoethane. Acta Chim. Slov. 2010, 57, 257-261

 

Kou-Chang Liu; Becky R.Shelton; Robert K.Howe. A particularly convenient preparation of benzohydroximinoyl chlorides (nitrile oxide precursors). J. Org. Chem. 1980, 45, (19)3916-3918

Has been used to protect diols as their cyclic acetals, by azeotroping in the presence of TsOH: J. Am. Chem. Soc., 84, 430 (1962). The products are readily hydrolyzed by acid but are stable to hydrogenolysis conditions (Raney Ni) used to cleave O-benzyl groups: Tetrahedron, 42, 3021 (1986).

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

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

Sicherheitshinweise: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

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. Specific treatment (see label). 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.

Weitere Referenzen

Beilstein
607989
Harmonized Tariff Code
2912.49
TSCA
No

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