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Sigma-Aldrich

3,4-Dihydroxybenzaldehyde

purum, ≥97.0% (HPLC)

Synonyme(s) :

Protocatechualdehyde

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About This Item

Formule linéaire :
(HO)2C6H3CHO
Numéro CAS:
139-85-5
Poids moléculaire :
138.12
Numéro Beilstein :
774381
Numéro CE :
205-377-7
Numéro MDL:
MFCD00003370
Code UNSPSC :
12352100
ID de substance PubChem :
329755658
Nomenclature NACRES :
NA.22

Qualité

purum

Niveau de qualité

100

Pureté

≥97.0% (HPLC)

Forme

powder

Pf

150-155 °C
150-157 °C (lit.)

Chaîne SMILES 

Oc1ccc(C=O)cc1O

InChI

1S/C7H6O3/c8-4-5-1-2-6(9)7(10)3-5/h1-4,9-10H

Clé InChI

IBGBGRVKPALMCQ-UHFFFAOYSA-N

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Catégories apparentées

Description générale

3,4-Dihydroxybenzaldehyde has been recognized as one of the antifungal compound extracted from the outer skin of green Cavendish bananas. It can be synthesized from catechol via Fries rearrangement.
3,4-Dihydroxybenzaldehyde is reported as bioactive compound which inhibits the H2O2-induced apoptosis of granulosa cells. Oxidation of 3,4-dihydroxybenzaldehyde on glassy carbon electrodes is reported to afford stable redox-active electropolymerized films containing a quinone moity.

Application

3,4-Dihydroxybenzaldehyde (Protocatechualdehyde) may be employed as starting reagent for the synthesis of 4-vinylbenzocrown ether.
3,4-Dihydroxybenzaldehyde may be used for the surface modification of nanocrystalline TiO2 particles. Electrodeposited layer of 3,4-dihydroxybenzaldehyde may be used as effective redox mediator during oxidation of NADH at graphene. It may be used in the preparation of new diSchiff base ligands, which forms di-, tri- and tetranuclear Co(II) and Cu(II) complexes.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H315,H319,H335

Classification des risques

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
WXBF1221V
WXBD7679V
WXBD3683V
WXBC8068V
WXBC7034V

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Electrocatalysis of NADH oxidation with electropolymerized films of 3, 4-dihydroxybenzaldehyde.
Pariente F, et al.
Analytical Chemistry, 66(23), 4337-4344 (1994)
Ting Xie et al.
PeerJ, 7, e7690-e7690 (2019-10-03)
Lecanicillium lecanii is an entomopathogenic fungi, which was isolated from insects suffering from disease. Now, it is an effective bio-control resource that can control agricultural pests such as whitefly and aphids. There are many studies on the control of various
Ahlam Jameel Abdulghani et al.
Bioinorganic chemistry and applications, 2013, 219356-219356 (2014-01-24)
A series of new di-, tri-, and tetranuclear Co(II) and Cu(II) complexes of three new diSchiff base ligands were synthesized by two different methods. The first method involved the synthesis of the three ligands from condensation reaction of 3,4-dihydroxybenzaldehyde (L'H2)
3, 4-dihydroxybenzaldehyde, a fungistatic substance from green Cavendish bananas.
Mulvena D, et al.
Phytochemistry, 8(2), 393-395 (1969)
Tatjana D Savić et al.
Physical chemistry chemical physics : PCCP, 16(38), 20796-20805 (2014-08-29)
The surface modification of nanocrystalline TiO2 particles (45 Å) with catecholate-type ligands having different electron donating/electron withdrawing substituent groups, specifically 3-methylcatechol, 4-methylcatechol, 3-methoxycatechol, 3,4-dihydroxybenzaldehyde and 4-nitrocatechol, was found to alter the optical properties of nanoparticles in a similar way to
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