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143758

Sigma-Aldrich

3,4-Dimethoxybenzaldehyde

99%

Sinonimo/i:

Methylvanillin, NSC 24521, NSC 8500, Vanillin methyl ether, Veratraldehyde

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5 G
41,50 €
100 G
50,60 €
500 G
105,00 €

41,50 €

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5 G
41,50 €
100 G
50,60 €
500 G
105,00 €

About This Item

Formula condensata:
(CH3O)2C6H3CHO
Numero CAS:
120-14-9
Peso molecolare:
166.17
Beilstein:
473899
Numero CE:
204-373-2
Numero MDL:
MFCD00003363
Codice UNSPSC:
12352100
ID PubChem:
24848608
NACRES:
NA.22

41,50 €

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Livello qualitativo

100

Saggio

99%

Stato

solid

P. ebollizione

281 °C (lit.)

Punto di fusione

40-43 °C (lit.)

Solubilità

alcohol: freely soluble
diethyl ether: freely soluble
water: slightly soluble (hot)

Gruppo funzionale

aldehyde

Stringa SMILE

[H]C(=O)c1ccc(OC)c(OC)c1

InChI

1S/C9H10O3/c1-11-8-4-3-7(6-10)5-9(8)12-2/h3-6H,1-2H3
WJUFSDZVCOTFON-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

3,4-Dimethoxybenzaldehyde forms 1:1 inclusion complexes with cyclodextrins[1]. It reacts with 3-acetyl-2,5-dimethythiophene to yield chalcone dye, (2E)-3-(3,4-Dimethoxyphenyl)-1-(2,5-dimethylthiophen-3-yl)prop-2-en-1-one[2].

Applicazioni

3,4-Dimethoxybenzaldehyde was used in the preparation of 4-chloromethyl-2-(dimethoxyphenyl)-1,3-dioxolane[3]. It was used in the synthesis of (+)-lithospermic acid, having anti-HIV activity[4].

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302,H315

Consigli di prudenza

P301 + P312 + P330

Classi di pericolo

Acute Tox. 4 Oral - Skin Irrit. 2

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

235.4 °F - closed cup

Punto d’infiammabilità (°C)

113 °C - closed cup

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
SHBR7490
SHBQ8451
SHBQ1101
SHBP5227
SHBN9613

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3,4-Dimethoxyphenol 97%

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3,4-Dimethoxyphenol

3,4-Dimethoxybenzoic acid ≥99%

Sigma-Aldrich

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3,4-Dimethoxybenzoic acid

3,4-Dihydroxybenzaldehyde 97%

Sigma-Aldrich

D108405

3,4-Dihydroxybenzaldehyde

2-(Multimethoxy) phenyl-4-methylene-1, 3-dioxolane (I): Preparation and Cationic Polymerization of 2-(Dimethoxy) phenyl-4-MDO Derivatives.
Kim JT and Gong M-S.
Bull. Korean Chem. Soc., 20, 663-666 (1999)
Tirumala G Varadaraju et al.
Organic & biomolecular chemistry, 10(28), 5456-5465 (2012-06-07)
An efficient and convergent route for the synthesis of the natural product (+)-lithospermic acid, which possesses anti-HIV activity, was accomplished. The (±)-trans-dihydrobenzo[b]furan core therein was prepared by two different strategies. The first strategy involved the use of a palladium-catalyzed annulation
M Jude Jenita et al.
Journal of fluorescence, 24(3), 695-707 (2013-12-07)
The inclusion complexation of 2-hydroxy-3-methoxybenzaldehyde (2HMB), 4-hydroxy-3-methoxybenzaldehyde (4HMB), 3,4-dimethoxybenzaldehyde (DMB) and 4-hydroxy-3,5-dimethoxybenzaldehyde (HDMB) with α-CD, β-CD, HP-α-CD and HP-β-CD were carried out by UV-Visible, steady-state and time-resolved fluorescence and PM3 methods. All the benzaldehydes shows dual fluorescence in aqueous and
Abdullah M Asiri et al.
Journal of fluorescence, 23(6), 1271-1278 (2013-07-13)
This study introduced spectroscopic properties, physicochemical parameters, and polarity and photostability behaviors of a newly prepared chalcone dye. The chalcone dye, (2E)-3-(3,4-Dimethoxyphenyl)-1-(2,5-dimethylthiophen-3-yl)prop-2-en-1-one (DDTP), was synthesized by the reaction of 3,4-dimethoxybenzaldehyde with 3-acetyl-2,5-dimethythiophene. Results of FT-IR, (1)H-NMR, (13)C-NMR and elemental analysis
Francesca D'Acunzo et al.
Biochemical and biophysical research communications, 313(1), 17-21 (2003-12-16)
Veratrylchitosan, a polysaccharide-supported lignin model compound, has been synthesised by covalently attaching 3-(3,4-dimethoxybenzyloxy)propionic acid to the polysaccharide chitosan through an amide linkage. When this polymer was used as a substrate in the oxidation promoted by lignin peroxidase (LiP), significant decomposition
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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