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4,5-Dimethyl-2-furaldehyde

4,5-Dimethyl-2-furaldehyde structure

CAS No.: 52480-43-0

Chemical Name:: 4,5-Dimethyl-2-furaldehyde

Synonyms: 4,5-DIMETHYLFURFURAL;Furfural Impurity 19;4,5-Dimethylfurfural>4,5-DIMETHYL-2-FURALDEHYD;4,5-Dimethyl-2-furaldehyde;4,5-Dimethyl-2-furaldehyde,97%;4,5-diMethylfuran-2-carbaldehyde;4,5-DIMETHYL-2-FURANCARBOXALDEHYD;4,5-DIMETHYL-2-FURANCARBOXALDEHYDE;2-Furancarboxaldehyde, 4,5-dimethyl-

CBNumber:: CB4414898

Molecular Formula:: C7H8O2

Molecular Weight:: 124.14

MDL Number:: MFCD00085030

MOL File:: 52480-43-0.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:52:49

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4,5-Dimethyl-2-furaldehyde Properties

Boiling point	98-100 °C/12 mmHg (lit.)
Density	1.016 g/mL at 25 °C (lit.)
refractive index	n20/D 1.529(lit.)
Flash point	151 °F
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
form	clear liquid
color	Colorless to Yellow
Sensitive	Air & Light Sensitive
BRN	107585
InChI	1S/C7H8O2/c1-5-3-7(4-8)9-6(5)2/h3-4H,1-2H3
InChIKey	JPTPEPVCVXGNJM-UHFFFAOYSA-N
SMILES	Cc1cc(C=O)oc1C
CAS DataBase Reference	52480-43-0(CAS DataBase Reference)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H227-H315-H319
Precautionary statements	P210e-P280a-P305+P351+P338-P501a-P210-P280-P370+P378-P403+P235-P501
PPE	Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes	Xi
Risk Statements	36/38
Safety Statements	24/25-37-26-23
WGK Germany	3
HS Code	29321900
Storage Class	10 - Combustible liquids

4,5-Dimethyl-2-furaldehyde price More Price(38)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	440639	4,5-Dimethyl-2-furaldehyde 97%	52480-43-0	1g	$70.8	2026-04-30	Buy
Sigma-Aldrich	440639	4,5-Dimethyl-2-furaldehyde 97%	52480-43-0	5g	$336	2026-04-30	Buy
TCI Chemical	D2639	4,5-Dimethylfurfural >97.0%(GC)	52480-43-0	1g	$78	2023-01-07	Buy
TCI Chemical	D2639	4,5-Dimethylfurfural >97.0%(GC)	52480-43-0	5g	$273	2021-12-16	Buy
Biosynth	FD172340	4,5-Dimethyl-2-furancarboxaldehyde	52480-43-0	5g	$458.15	2026-06-04	Buy

Product number	Packaging	Price	Buy
440639	1g	$70.8	Buy
440639	5g	$336	Buy
D2639	1g	$78	Buy
D2639	5g	$273	Buy
FD172340	5g	$458.15	Buy

4,5-Dimethyl-2-furaldehyde Chemical Properties, Uses, Production

Chemical Properties

clear colorless to yellowish liquid

Uses

2,6-Dimethyl-4-pyrrone has been reported to undergo photochemical rearrangement to afford 4,5-dimethyl-2-furaldehyde. Mechanism of this photorearrangement has been described.

Synthesis Reference(s)

Journal of the American Chemical Society, 85, p. 1208, 1963 DOI: 10.1021/ja00891a046
The Journal of Organic Chemistry, 49, p. 2512, 1984 DOI: 10.1021/jo00187a047

General Description

2,6-Dimethyl-4-pyrrone has been reported to undergo photochemical rearrangement to afford 4,5-dimethyl-2-furaldehyde. Mechanism of this photorearrangement has been described.

4,5-Dimethyl-2-furaldehyde Preparation Products And Raw materials

Raw materials

Preparation Products

3-(4,5-Dimethyl-2-furanyl)acrylic acid

4,5-Dimethyl-2-furaldehyde Suppliers

Global Suppliers ( 72)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Tianjin heowns Biochemical Technology Co., Ltd.	400 638 7771	sales@heowns.com	China	14412	57
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9791	79
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66113011 13913916777	cfzhang@aikonchem.com	China	19902	55

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Syntechem Co.,Ltd	57
Tianjin heowns Biochemical Technology Co., Ltd.	57
Sinopharm Chemical Reagent Co,Ltd.	79
Thermo Fisher Scientific	75
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	55

4,5-Dimethyl-2-furaldehyde Spectrum

4,5-DIMETHYL-2-FURALDEHYDE(52480-43-0)IR

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4,5-DIMETHYLFURFURAL 4,5-DIMETHYL-2-FURALDEHYD 4,5-DIMETHYL-2-FURANCARBOXALDEHYD 4,5-DIMETHYL-2-FURANCARBOXALDEHYDE 4,5-diMethylfuran-2-carbaldehyde 4,5-Dimethylfuran-2-carboxaldehyde, 2,3-Dimethyl-5-formylfuran 4,5-Dimethyl-2-furancarboxaldehyde, GC 97% 4,5-Dimethyl-2-furancarboxaldehyde,97% 4,5-Dimethyl-2-furaldehyde,97% 4,5-Dimethylfurfural> 2-Furancarboxaldehyde, 4,5-dimethyl- Furfural Impurity 19 4,5-Dimethyl-2-furaldehyde 52480-43-0 Building Blocks Heterocyclic Building Blocks Furans ALDEHYDE