(E,E)-2,4-十二碳二烯醛

Name: (E,E)-2,4-十二碳二烯醛
Brand: 济南圣和化工有限公司

CAS 21662-16-8C12H20OMW 180.29主营产品

济南圣和化工有限公司现供应主营产品——(E,E)-2,4-十二碳二烯醛（CAS 21662-16-8），分子式 C12H20O，分子量 180.29。本页理化参数仅供参考，实际常规纯度按批次COA提供(不公开发布)，以批次 COA 及订单确认为准，支持批量采购与长期供货协议。

产品概览

CAS号	21662-16-8
分子式	C12H20O
分子量	180.29
沸点	130.00 °C. @ 6.00 mm Hg
LogP	4.3
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	食用香精
类别	主营产品\|食用香精

应用领域

食用香精

(E,E)-2,4-十二碳二烯醛主要应用于食用香精。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供货能力：(E,E)-2,4-十二碳二烯醛备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除 (E,E)-2,4-十二碳二烯醛外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

(E,E)-2,4-十二碳二烯醛的 CAS 号是多少？

(E,E)-2,4-十二碳二烯醛的 CAS 号为 21662-16-8。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

(E,E)-2,4-十二碳二烯醛有什么用途？

主要应用于食用香精。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

trans,trans-2,4-Dodecadienal is identified by CAS 21662-16-8, molecular formula C12H20O and molecular weight 180.15 g/mol. UNII VO340RJ9LU; ChEBI 171898; InChIKey QKTZBZWNADPFOL-BNFZFUHLSA-N. Boiling Point: 130.00 °C. @ 6.00 mm Hg; Boiling Point: 130 °C (6 mm Hg); Density: 0.983-0.989.

Identification

CAS Registry Number	21662-16-8
PubChem CID	5367530
Molecular formula	C12H20O
Molecular weight	180.15 g/mol
IUPAC name	(2E,4E)-dodeca-2,4-dienal
InChIKey	QKTZBZWNADPFOL-BNFZFUHLSA-N
UNII (FDA)	VO340RJ9LU
ChEBI ID	CHEBI:171898
FEMA number	3670
JECFA number	1196

Computed Descriptors

Molecular Weight	180.29
XLogP3	4.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	8
Exact Mass	180.151415257
Monoisotopic Mass	180.151415257
Topological Polar Surface Area	17.1
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	130.00 °C. @ 6.00 mm Hg
Boiling Point	130 °C (6 mm Hg)
Density	0.983-0.989
Refractive Index	1.470-1.476

Physical description & handling notes

Oily liquid; light, faint spicy aroma
Slightly soluble in water; miscible in oils
soluble (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Fruit No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	7.8% (113 / 1443)

GHS Hazard Classification

GHS notification summary	7.8% (113 / 1443)
Reported hazard statements	H315 (92.2%)

This chemical does not meet GHS hazard criteria for 7.8% (113 of 1443) of reports.

H315 (92.2%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
2,4-Dodecadienal, (2E,4E)-: ACTIVE

Synonyms

21662-16-8; (E,E)-2,4-dodecadienal; (2E,4E)-Dodeca-2,4-dienal; Trans,trans-2,4-dodecadienal; (E,E)-2,4-Dodecadien-1-al; 2,4-Dodecadienal, (E,E)-; 2,4-Dodecadienal, (2E,4E)-; (trans,trans)-2,4-Dodecadienal; FEMA No. 3670; 2,4-Dodecadienal, trans,trans-; VO340RJ9LU; EINECS 244-517-1; DTXSID80885175; 2-TRANS-4-TRANS-DODECADIENAL; 2,4-DODECADIEN-1-AL, (E,E)-; RefChem:443879

Frequently Asked Questions

What are the CAS number and molecular formula of trans,trans-2,4-Dodecadienal?

CAS 21662-16-8; molecular formula C12H20O; molecular weight 180.15 g/mol.

What other names is trans,trans-2,4-Dodecadienal known by?

21662-16-8, (E,E)-2,4-dodecadienal, (2E,4E)-Dodeca-2,4-dienal, Trans,trans-2,4-dodecadienal, (E,E)-2,4-Dodecadien-1-al, 2,4-Dodecadienal, (E,E)-.

What is the regulatory status of trans,trans-2,4-Dodecadienal?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is trans,trans-2,4-Dodecadienal classified as hazardous?

7.8% of GHS notifications report no hazard classification (113 of 1443).

What are the key physical properties of trans,trans-2,4-Dodecadienal?

Boiling Point: 130.00 °C. @ 6.00 mm Hg; Boiling Point: 130 °C (6 mm Hg); Density: 0.983-0.989; Refractive Index: 1.470-1.476.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.