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1,3,5-Undecatriene

1,3,5-Undecatriene structure

CAS No.: 16356-11-9

Chemical Name:: 1,3,5-Undecatriene

Synonyms: FEMA 3795;UNDECATRIENE;Fema no. 3795;Einecs 240-416-1;1,3,5-Undecatriene;undeca-1,3,5-triene;galbanum decatriene;1,3E,5Z-UNDECATRIENE;Undeca-1,3,5-triene (Isomer 1);CHEMICAL NAME: 1,3,5-UNDECATRIENE

CBNumber:: CB4446543

Molecular Formula:: C11H18

Molecular Weight:: 150.26

MDL Number:: MFCD00015699

MOL File:: 16356-11-9.mol

MSDS File:: SDS

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

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1,3,5-Undecatriene Properties

Boiling point	280-285 °C (lit.)
Density	0.79 g/mL at 25 °C (lit.)
refractive index	n20/D 1.513(lit.)
FEMA	3795 \| 1,3,5-UNDECATRIENE
FLAVIS Number	01.061 \| Undeca-1,3,5-triene
Flash point	172 °F
storage temp.	Refrigerator
form	clear liquid
color	Colorless to Light yellow
Odor	at 1.00 % in dipropylene glycol. fresh green greasy resin galbanum green pepper
Odor Type	green
biological source	synthetic
JECFA Number	1341
Major Application	flavors and fragrances
Cosmetics Ingredients Functions	PERFUMING
InChI	1S/C11H18/c1-3-5-7-9-11-10-8-6-4-2/h3,5,7,9,11H,1,4,6,8,10H2,2H3/b7-5+,11-9+
InChIKey	JQQDKNVOSLONRS-JEGFTUTRSA-N
SMILES	CCCCC\C=C\C=C\C=C
LogP	5.05
CAS DataBase Reference	16356-11-9(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)	1,3,5-UNDECATRIENE
EWG's Food Scores	1
FDA UNII	PWB1EM60KN
EPA Substance Registry System	1,3,5-Undecatriene (16356-11-9)
UNSPSC Code	12164502
NACRES	NA.21

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS08

Signal word

Danger

Hazard statements

H227-H304

Precautionary statements

P210-P280-P301+P310+P331-P370+P378-P403+P235-P405-P501

Risk Statements

36/37/38

Safety Statements

26-36/37/39

WGK Germany

RTECS

YQ2833000

TSCA

TSCA listed

HS Code

2901.29.5000

Storage Class

10 - Combustible liquids

Toxicity

rabbit,LD50,skin,> 3gm/kg (3000mg/kg),Food and Chemical Toxicology. Vol. 26, Pg. 415, 1988.

NFPA 704

	2
0		0

1,3,5-Undecatriene price More Price(11)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	W379506	1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers ≥70%, stabilized	16356-11-9	1 each	$71.9	2026-04-30	Buy
Sigma-Aldrich	W379506	1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers ≥70%, stabilized	16356-11-9	1kg	$4370	2026-04-30	Buy
Sigma-Aldrich	W379506	1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers ≥70%, stabilized	16356-11-9	1 unit	$69.8	2025-07-31	Buy
Sigma-Aldrich	W379506	1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers ≥70%, stabilized	16356-11-9	sample-k	$67.5	2024-03-01	Buy
Sigma-Aldrich	W379506	1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers ≥70%, stabilized	16356-11-9	25g	$311	2023-01-07	Buy

Product number	Packaging	Price	Buy
W379506	1 each	$71.9	Buy
W379506	1kg	$4370	Buy
W379506	1 unit	$69.8	Buy
W379506	sample-k	$67.5	Buy
W379506	25g	$311	Buy

1,3,5-Undecatriene Chemical Properties, Uses, Production

Chemical Properties

1,3,5-Undecatriene has a green, melon, pineapple and fruity odor.

Occurrence

Reported found in apple, celery, kiwi, mandarin, parsley, passion fruit, pear, peach, pineapple, peppermint and galbanum oil.

Uses

flavors and fragrances

Preparation

By dehydration of undeca-1,5-dien-3-ol.

Taste threshold values

Green, vegetative, waxy, cucumber with chicken fatty and fruit notes

1,3,5-Undecatriene Preparation Products And Raw materials

Raw materials

Preparation Products

1,3,5-Undecatriene Suppliers

Global Suppliers ( 83)

Supplier	Tel	Email	Country	ProdList	Advantage
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
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
Shanghai T&W Pharmaceutical Co., Ltd.	+86 21 61551611		China	9874	58
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	22497	55
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
Chengdu Huachun Technology Co., Ltd	400-1166-196 15982826727	cdhxsj@163.com	China	14571	60
9ding chemical ( Shanghai) Limited	021-021-52271985 17721149837	sales@9dingchem.com	China	19780	60

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Shanghai T&W Pharmaceutical Co., Ltd.	58
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
9ding chemical ( Shanghai) Limited	55
Sigma-Aldrich	80
Chengdu Huachun Technology Co., Ltd	60
9ding chemical ( Shanghai) Limited	60

View Latest Price from 1,3,5-Undecatriene manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-06-30	1,3,5-UNDECATRIENE 16356-11-9		1kg	99%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
	2019-12-20	1,3,5-UNDECATRIENE 16356-11-9	$2.00	1KG	98%min		Career Henan Chemical Co

1,3,5-UNDECATRIENE
16356-11-9
$0.00
99%
Shaanxi Dideu New Materials Co. Ltd

1,3,5-UNDECATRIENE
16356-11-9
$2.00
98%min
Career Henan Chemical Co

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Einecs 240-416-1 Fema no. 3795 Undeca-1,3,5-triene (Isomer 1) 1,3,5-Undecatriene (mixture of isomers) undeca-1,3,5-triene 1 3 5-UNDECATRIENE 70+% MIXTURE OF & CHEMICAL NAME: 1,3,5-UNDECATRIENE 1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers galbanum decatriene 1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers >=70%, stabilized 1,3,5-Undecatriene, mixture of 1,3(E),5(Z) and 1,3(E),5(E) isomers 1,3E,5Z-UNDECATRIENE FEMA 3795 UNDECATRIENE 1,3,5-Undecatriene 16356-11-9 CH3CH24CHCH2CHCH2 Alphabetical Listings Flavors and Fragrances Q-Z