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2,2-Dimethyl-4-pentenal

2,2-Dimethyl-4-pentenal structure

CAS No.: 5497-67-6

Chemical Name:: 2,2-Dimethyl-4-pentenal

Synonyms: 2,2-dimethylpent-4-enal;2,2-DIMETHYL-4-PENTENAL;2，2-Dimethyl-4-penteneal;4-Pentenal, 2,2-dimethyl-;2,2-DIMETHYL-4-PENTENAL, TECH., 90%;2,2-Dimethyl-4-pentenal,97%,stabilized;2,2-Dimethyl-4-pentenal, stabilized, 97%;2,2-DiMethyl-4-pentenal, stabilized, 97% 5ML;2,2-Dimethyl-4-pentenal technical grade, 90%, contains 1000 ppm hydroquinone as stabilizer

CBNumber:: CB8682154

Molecular Formula:: C7H12O

Molecular Weight:: 112.17

MDL Number:: MFCD00010699

MOL File:: 5497-67-6.mol

MSDS File:: SDS

Last updated:2026-05-28 04:43:45

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2,2-Dimethyl-4-pentenal Properties

Melting point	-53.35°C (estimate)
Boiling point	124-125 °C (lit.)
Density	0.825 g/mL at 25 °C (lit.)
refractive index	n20/D 1.4203(lit.)
Flash point	65 °F
storage temp.	2-8°C
form	Liquid
color	Clear colorless to light yellow
InChI	InChI=1S/C7H12O/c1-4-5-7(2,3)6-8/h4,6H,1,5H2,2-3H3
InChIKey	DXSDIWHOOOBQTJ-UHFFFAOYSA-N
SMILES	C(=O)C(C)(C)CC=C
FDA UNII	377AT76G2F
NIST Chemistry Reference	4-Pentenal, 2,2-dimethyl-(5497-67-6)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS02,GHS07
Signal word	Danger
Hazard statements	H225-H302-H315-H319-H335
Precautionary statements	P210-P280-P301+P312+P330-P305+P351+P338-P337+P313-P403+P235
target organs	Respiratory system
Hazard Codes	F,Xi,Xn
Risk Statements	11-36/37/38-22
Safety Statements	16-26-33-36
RIDADR	UN 1989 3/PG 3
WGK Germany	-
HazardClass	3.1
PackingGroup	II
HS Code	29121990
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 4 Oral Aquatic Chronic 3 Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3

2,2-Dimethyl-4-pentenal price More Price(12)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA003F8Q	2,2-Dimethyl-4-Pentenal ≥88%	5497-67-6	1g	$162	2026-05-28	Buy
aablocks	AA003F8Q	2,2-Dimethyl-4-Pentenal ≥88%	5497-67-6	5g	$566	2026-05-28	Buy
ACHEMBLOCK	X176169	2,2-Dimethyl-4-pentenal 95%	5497-67-6	5G	$330	2026-05-27	Buy
ACHEMBLOCK	X176169	2,2-Dimethyl-4-pentenal 95%	5497-67-6	25G	$1320	2026-05-27	Buy
AHH	MT-10866	2,2-Dimethyl-4-pentenal 97%		25g	$578	2026-05-26	Buy

Product number	Packaging	Price	Buy
AA003F8Q	1g	$162	Buy
AA003F8Q	5g	$566	Buy
X176169	5G	$330	Buy
X176169	25G	$1320	Buy
MT-10866	25g	$578	Buy

2,2-Dimethyl-4-pentenal Chemical Properties, Uses, Production

Chemical Properties

clear colorless to light yellow liquid

Uses

2,2-Dimethyl-4-pentenal has been used:

as electrophile in the synthesis of rearranged bicyclo[6.3.0]undecane isoprenoid skeleton of cyclooctenoid sesquiterpene dactylol and 3a-epi-dactylol
in the preparation of imine ligand via condensation with primary amine

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 7, p. 177, 1990
Synthetic Communications, 10, p. 273, 1980 DOI: 10.1080/00397918008062750
Tetrahedron Letters, 14, p. 3, 1973

2,2-Dimethyl-4-pentenal Preparation Products And Raw materials

Raw materials

Preparation Products

2,2-Dimethyl-4-pentenal Suppliers

Global Suppliers ( 91)

Supplier	Tel	Email	Country	ProdList	Advantage
Yantai Shengkailun Chemical Technology Co., Ltd.	13356901049	mark@sklnchem.cn	China	9925	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Beijing Ouhe Technology Co., Ltd	13552068683 13522913783	2355560935@qq.com	China	11777	60
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Hangzhou Dingxin Biotechnology Co., Ltd.	0571-88194596 15558156576	sales@disynchem.com	China	94	55
Connect Chemicals GmbH	+49 2102 2077 19	Martin.Klapper@connectchemicals.com	Germany	404	62
Tongchuang Pharma(Suzhou). Co., Ltd.	0512-63263366 18912765016	tongtf110@sina.com	China	984	62
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75

Supplier	Advantage
Yantai Shengkailun Chemical Technology Co., Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Energy Chemical	61
Beijing Ouhe Technology Co., Ltd	60
Shanghai Hanhong Scientific Co.,Ltd.	64
Hangzhou Dingxin Biotechnology Co., Ltd.	55
Connect Chemicals GmbH	62
Tongchuang Pharma(Suzhou). Co., Ltd.	62
Thermo Fisher Scientific	75

View Latest Price from 2,2-Dimethyl-4-pentenal manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-12-25	2,2-Dimethyl-4-pentenal 5497-67-6	$1.00	1KG	98%HPLC	10t	Career Henan Chemical Co

2,2-Dimethyl-4-pentenal
5497-67-6
$1.00
98%HPLC
Career Henan Chemical Co

2,2-Dimethyl-4-pentenal Spectrum

2,2-Dimethyl-4-pentenal(5497-67-6)¹HNMR 2,2-Dimethyl-4-pentenal(5497-67-6)Raman 2,2-Dimethyl-4-pentenal(5497-67-6)IR 2,2-Dimethyl-4-pentenal(5497-67-6)FT-IR

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2,2-DIMETHYL-4-PENTENAL 2，2-Dimethyl-4-penteneal 2,2-DIMETHYL-4-PENTENAL, TECH., 90% 2,2-Dimethyl-4-pentenal, stabilized, 97% 2,2-dimethylpent-4-enal 2,2-DiMethyl-4-pentenal, stabilized, 97% 5ML 2,2-Dimethyl-4-pentenal technical grade, 90%, contains 1000 ppm hydroquinone as stabilizer 2,2-Dimethyl-4-pentenal,97%,stabilized 4-Pentenal, 2,2-dimethyl- 5497-67-6 H2CCHCH2CCH32CHO Building Blocks Aldehydes C7 Carbonyl Compounds Organic Building Blocks ALDEHYDE Aldehydes C7 Carbonyl Compounds