α-当归内酯

Name: α-当归内酯
Brand: 济南圣和化工有限公司

CAS 591-12-8C5H6O2MW 98.10主营产品

济南圣和化工有限公司现供应主营产品——α-当归内酯（CAS 591-12-8），分子式 C5H6O2，分子量 98.10。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	591-12-8
分子式	C5H6O2
分子量	98.10
沸点	167-170 °C
LogP	0.6
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

α-当归内酯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

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

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 α-当归内酯以外的配套原料，也欢迎一并列出需求清单。

常见问题

α-当归内酯的 CAS 号是多少？

α-当归内酯的 CAS 号为 591-12-8。

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。

α-当归内酯有什么用途？

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

α-Angelica lactone is identified by CAS 591-12-8, molecular formula C5H6O2 and molecular weight 98.04 g/mol. UNII 29CRF6L9C5; ChEBI 36433; InChIKey QOTQFLOTGBBMEX-UHFFFAOYSA-N. Boiling Point: 167-170 °C; Density: 1.084 (20 °C/20 °C); Refractive Index: 1.443-1.451.

Identification

CAS Registry Number	591-12-8
PubChem CID	11559
Molecular formula	C5H6O2
Molecular weight	98.04 g/mol
IUPAC name	5-methyl-3H-furan-2-one
InChIKey	QOTQFLOTGBBMEX-UHFFFAOYSA-N
UNII (FDA)	29CRF6L9C5
ChEBI ID	CHEBI:36433
JECFA number	221

Computed Descriptors

Molecular Weight	98.10
XLogP3	0.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	98.036779430
Monoisotopic Mass	98.036779430
Topological Polar Surface Area	26.3
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	167-170 °C
Density	1.084 (20 °C/20 °C)
Refractive Index	1.443-1.451

Physical description & handling notes

clear, light to dark yellow liquid with a sweet herbaceous odour reminiscent of tobacco
soluble in alcohol, slightly soluble in water
(in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 884-JECFA 49/42 FAS 40-JECFA 49/231
GHS notification summary	0.1% (1 / 1560)

GHS Hazard Classification

GHS notification summary	0.1% (1 / 1560)
Reported hazard statements	H317 (99.9%), H227

This chemical does not meet GHS hazard criteria for < 0.1% (1 of 1560) of reports.

H317 (99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]

Documented Uses

Flavoring Agents -> JECFA Flavorings Index
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
2(3H)-Furanone, 5-methyl-: ACTIVE

Synonyms

alpha-Angelica lactone; 591-12-8; 5-Methylfuran-2(3H)-one; alpha-Angelicalactone; 5-Methyl-2(3H)-furanone; 5-methyl-3H-furan-2-one; 2(3H)-FURANONE, 5-METHYL-; 4-Hydroxypent-3-enoic acid lactone; 4-Hydroxy-3-pentenoic acid gamma-lactone; delta(2)-Angelica lactone; .alpha.-Angelica lactone; gamma-Methyl-beta,gamma-crotonolactone; a-Angelica lactone; alpha-Angelicalacton; UNII-29CRF6L9C5; delta(sup 2)-Angelica lactone

Frequently Asked Questions

What are the CAS number and molecular formula of α-Angelica lactone?

CAS 591-12-8; molecular formula C5H6O2; molecular weight 98.04 g/mol.

What other names is α-Angelica lactone known by?

alpha-Angelica lactone, 591-12-8, 5-Methylfuran-2(3H)-one, alpha-Angelicalactone, 5-Methyl-2(3H)-furanone, 5-methyl-3H-furan-2-one.

What is the regulatory status of α-Angelica lactone?

Documented regulatory listings: EU Flavoring substances; Flavoring Agents; FLAVOURING_AGENT: Flavouring Agent.

Is α-Angelica lactone classified as hazardous?

0.1% of GHS notifications report no hazard classification (1 of 1560).

What are the key physical properties of α-Angelica lactone?

Boiling Point: 167-170 °C; Density: 1.084 (20 °C/20 °C); Refractive Index: 1.443-1.451.

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.