3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮

Name: 3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮
Brand: 济南圣和化工有限公司

CAS 42348-12-9C8H12O2MW 140.18主营产品

3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮（CAS 42348-12-9）属主营产品类产品，分子式 C8H12O2，分子量 140.18。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	42348-12-9
分子式	C8H12O2
分子量	140.18
沸点	260.00 to 261.00 °C. @ 760.00 mm Hg
LogP	1.1
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

3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮在食用香精领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

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：3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮备有现货，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

选择济南圣和化工有限公司的理由：产品信息透明（含 CAS、分子式、理化参数）、报价响应快（一个工作日内）、单证齐全（COA/MSS/质检资料按需提供）、支持批量与长期协议供货。如需 3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮以外的配套原料，也欢迎一并列出需求清单。

常见问题

3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮的 CAS 号是多少？

3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮的 CAS 号为 42348-12-9。

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。

3-乙基-2-羟基-4-甲基环戊-2-烯-1-酮有什么用途？

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

3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one is identified by CAS 42348-12-9, molecular formula C8H12O2 and molecular weight 140.08 g/mol. UNII NS00012412; ChEBI 185027; InChIKey RSVAFMGHIDKYKB-UHFFFAOYSA-N. Boiling Point: 260.00 to 261.00 °C. @ 760.00 mm Hg; Density: 1.055-1.061; Refractive Index: 1.481-1.487.

Identification

CAS Registry Number	42348-12-9
PubChem CID	528698
Molecular formula	C8H12O2
Molecular weight	140.08 g/mol
IUPAC name	3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one
InChIKey	RSVAFMGHIDKYKB-UHFFFAOYSA-N
UNII (FDA)	NS00012412
ChEBI ID	CHEBI:185027
FEMA number	3453
JECFA number	422

Computed Descriptors

Molecular Weight	140.18
XLogP3	1.1
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	140.083729621
Monoisotopic Mass	140.083729621
Topological Polar Surface Area	37.3
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	260.00 to 261.00 °C. @ 760.00 mm Hg
Density	1.055-1.061
Refractive Index	1.481-1.487

Physical description & handling notes

slightly
slightly insoluble in water; soluble in fat; miscible with ethanol
(in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 891-JECFA 51/103

Documented Uses

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl-: INACTIVE

Synonyms

3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one; 42348-12-9; 3-Ethyl-4-methylcyclotene; 3-Ethyl-2-hydroxy-4-methyl-2-cyclopenten-1-one; 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl-; DTXSID50885864; RefChem:470973; DTXCID001025223; EINECS 255-767-6; 2-Cyclopenten-1-one,3-ethyl-2-hydroxy-4-methyl-; 2-Cyclopenten-1-one, 2-hydroxy-3-ethyl-4-methyl; SCHEMBL1843664; FEMA 3453; CHEBI:185027; EAA28277; AKOS006326871

Frequently Asked Questions

What are the CAS number and molecular formula of 3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one?

CAS 42348-12-9; molecular formula C8H12O2; molecular weight 140.08 g/mol.

What other names is 3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one known by?

3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one, 42348-12-9, 3-Ethyl-4-methylcyclotene, 3-Ethyl-2-hydroxy-4-methyl-2-cyclopenten-1-one, 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl-, DTXSID50885864.

What is the regulatory status of 3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one?

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

What are the key physical properties of 3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one?

Boiling Point: 260.00 to 261.00 °C. @ 760.00 mm Hg; Density: 1.055-1.061; Refractive Index: 1.481-1.487.

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.