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3,4-Dimethoxy-5-hydroxybenzaldehyde

3,4-Dimethoxy-5-hydroxybenzaldehyde Structure
3,4-Dimethoxy-5-hydroxybenzaldehyde structure
CAS No.
29865-90-5
Chemical Name:
3,4-Dimethoxy-5-hydroxybenzaldehyde
Synonyms
3-HYDROXY-4,5-DIMETHOXYBENZALDEHYDE;5-Hydroxy-3,4-dimethoxybenzaldehyde;FR-2371;ICLA-005;258717_ALDRICH;3,4-Dimethoxy-5-hydr;5-HYDROXY-VERATRALDEHYDE;3,4-DIMETHOXY-5-HYDROXYBENZALDEHYDE;Benzaldehyde, 3-hydroxy-4,5-dimethoxy-;5-Hydroxy-3,4-dimethoxybenzaldehyde>
CBNumber:
CB0159274
Molecular Formula:
C9H10O4
Molecular Weight:
182.17
MDL Number:
MFCD00010442
MOL File:
29865-90-5.mol
MSDS File:
SDS
Last updated:2026-05-27 17:23:12
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3,4-Dimethoxy-5-hydroxybenzaldehyde Properties

Melting point 67-69 °C (lit.)
Boiling point 177-180 °C/12 mmHg (lit.)
Density 1.2481 (rough estimate)
refractive index 1.4500 (estimate)
storage temp. Inert atmosphere,Room Temperature
solubility Chloroform, Methanol
pka 8.87±0.15(Predicted)
form Solid
color Off-White
InChI 1S/C9H10O4/c1-12-8-4-6(5-10)3-7(11)9(8)13-2/h3-5,11H,1-2H3
InChIKey NVLTWXMZECWWPC-UHFFFAOYSA-N
SMILES COc1cc(C=O)cc(O)c1OC
CAS DataBase Reference 29865-90-5(CAS DataBase Reference)
NIST Chemistry Reference 3,4-Dimethoxy-5-hydroxybenzaldehyde(29865-90-5)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39
WGK Germany  3
HS Code  2912490090
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
0
2 0

3,4-Dimethoxy-5-hydroxybenzaldehyde price More Price(52)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 258717 3,4-Dimethoxy-5-hydroxybenzaldehyde 98% 29865-90-5 1g $153 2026-04-30 Buy
TCI Chemical H1179 3-Hydroxy-4,5-dimethoxybenzaldehyde >98.0%(GC)(T) 29865-90-5 1g $43 2026-04-30 Buy
TCI Chemical H1179 3-Hydroxy-4,5-dimethoxybenzaldehyde >98.0%(GC)(T) 29865-90-5 5g $161 2026-04-30 Buy
TRC TRC-H825425-250MG 5-Hydroxy-3,4-dimethoxybenzaldehyde 29865-90-5 250mg $65 2026-06-03 Buy
TRC TRC-H825425-2.5G 5-Hydroxy-3,4-dimethoxybenzaldehyde 29865-90-5 2.5g $154 2026-06-03 Buy
Product number Packaging Price Buy
258717 1g $153 Buy
H1179 1g $43 Buy
H1179 5g $161 Buy
TRC-H825425-250MG 250mg $65 Buy
TRC-H825425-2.5G 2.5g $154 Buy

3,4-Dimethoxy-5-hydroxybenzaldehyde Chemical Properties, Uses, Production

Uses

5-Hydroxy-3,4-dimethoxybenzaldehyde is a useful synthetic intermediate. It was used in the synthesis of aryl benzothiazole derivatives with antitumor activities or as potential PET cancer imaging agents.

Synthesis Reference(s)

The Journal of Organic Chemistry, 48, p. 1941, 1983 DOI: 10.1021/jo00160a001

3,4-Dimethoxy-5-hydroxybenzaldehyde Preparation Products And Raw materials

Raw materials

Copper(I) Cyanide N,N-Dimethylformamide Potassium hydroxide Acetone Hydrogen peroxide
Sodium sulfite Potassium carbonate Formic acid Chloroform Ferric chloride
Diethyl ether Raney nickel Ethyl acetate Hydrochloric acid 3-Methoxysalicylaldehyde
Bromine Acetic acid Methanol Sodium hydroxide Iodomethane

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Preparation Products

3,4-Dimethoxy-5-hydroxybenzaldehyde Suppliers

Global Suppliers ( 153)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
China Langchem Inc. 0086-21-58956006 China 7798 57
Wuhan Haizheng Industry & Trade Development Co. Ltd 027-8866 0053/88660577/88660578 China 1070 55
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
Supplier Advantage
J & K SCIENTIFIC LTD. 76
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Capot Chemical Co., Ltd 66
Shanghai Hanhong Scientific Co.,Ltd. 64
Chemsky（shanghai）International Co.,Ltd. 50
China Langchem Inc. 57
Wuhan Haizheng Industry & Trade Development Co. Ltd 55
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 55
TOKYO CHEMICAL INDUSTRY CO., LTD. 80

View Latest Price from 3,4-Dimethoxy-5-hydroxybenzaldehyde manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,4-Dimethoxy-5-hydroxybenzaldehyde pictures 2026-03-20 3,4-Dimethoxy-5-hydroxybenzaldehyde
29865-90-5
 $9.90 1KG 99% 5tons Hebei Chuanghai Biotechnology Co., Ltd
3,4-Dimethoxy-5-hydroxybenzaldehyde pictures 2025-05-26 3,4-Dimethoxy-5-hydroxybenzaldehyde
29865-90-5
 $4.00 1kg 0.99 10000 Hebei Fengjia New Material Co., Ltd
3,4-Dimethoxy-5-hydroxybenzaldehyde pictures 2021-08-12 3,4-Dimethoxy-5-hydroxybenzaldehyde
29865-90-5
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd

3,4-Dimethoxy-5-hydroxybenzaldehyde Spectrum

3,4-Dimethoxy-5-hydroxybenzaldehyde(29865-90-5)1HNMR

29865-90-5 (3,4-Dimethoxy-5-hydroxybenzaldehyde) Related Search:

4-Hydroxybenzaldehyde Protocatechualdehyde Veratraldehyde Salicylaldehyde 4-Dimethylaminobenzaldehyde
o-Anisaldehyde 3-Methoxybenzaldehyde 2,6-Dimethoxybenzaldehyde 2,4-Dihydroxybenzaldehyde p-Anisaldehyde
2,4-Dimethoxybenzaldehyde Reserpine 3,4,5-Trimethoxybenzoyl chloride Methyl 3,4,5-trimethoxybenzoate 3-Hydroxy-4,5-dimethoxybenzoic acid
3,4,5-Trimethoxybenzhydrazide 3,4,5-Triethoxybenzoic acid 3,4,5-Trimethoxy benzoic acid

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5-Hydroxyveratraldehyde, 2,3-Dimethoxy-5-formylphenol FR-2371 InChI=1/C9H10O4/c1-12-8-4-6(5-10)3-7(11)9(8)13-2/h3-5,11H,1-2H 5-HYDROXY-VERATRALDEHYDE 258717_ALDRICH 3,4-DIMETHOXY-5-HYDROXYBENZALDEHYDE Benzaldehyde, 3-hydroxy-4,5-dimethoxy- ICLA-005 5-Hydroxy-3,4-dimethoxybenzaldehyde 3,4-Dimethoxy-5-hydr 3-HYDROXY-4,5-DIMETHOXYBENZALDEHYDE 97+% 5-Hydroxy-3,4-dimethoxybenzaldehyde> 3-HYDROXY-4,5-DIMETHOXYBENZALDEHYDE 29865-90-5 C9 Carbonyl Compounds Building Blocks Aldehydes Organic Building Blocks Benzaldehyde Aromatic Aldehydes & Derivatives (substituted)