3,4-二氢-2H-吡咯

Name: 3,4-二氢-2H-吡咯
Brand: 济南圣和化工有限公司

CAS 5724-81-2C4H7NMW 69.11主营产品

本页收录 3,4-二氢-2H-吡咯，CAS 登记号为 5724-81-2，分子式 C4H7N，分子量 69.11，归类于主营产品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	5724-81-2
分子式	C4H7N
分子量	69.11
沸点	87.00 to 89.00 °C. @ 760.00 mm Hg
LogP	-0.3
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

3,4-二氢-2H-吡咯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

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

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 3,4-二氢-2H-吡咯外，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

3,4-二氢-2H-吡咯的 CAS 号是多少？

3,4-二氢-2H-吡咯的 CAS 号为 5724-81-2。

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。

3,4-二氢-2H-吡咯有什么用途？

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

1-Pyrroline is identified by CAS 5724-81-2, molecular formula C4H7N and molecular weight 69.06 g/mol. UNII 2SK2I7766O; ChEBI 19092; InChIKey ZVJHJDDKYZXRJI-UHFFFAOYSA-N. Boiling Point: 87.00 to 89.00 °C. @ 760.00 mm Hg; Boiling Point: 87-89 °C; Density: 0.849-0.855.

Identification

CAS Registry Number	5724-81-2
PubChem CID	79803
Molecular formula	C4H7N
Molecular weight	69.06 g/mol
IUPAC name	3,4-dihydro-2H-pyrrole
InChIKey	ZVJHJDDKYZXRJI-UHFFFAOYSA-N
UNII (FDA)	2SK2I7766O
ChEBI ID	CHEBI:19092
FEMA number	3898
JECFA number	1603

Computed Descriptors

Molecular Weight	69.11
XLogP3	-0.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	69.057849228
Monoisotopic Mass	69.057849228
Topological Polar Surface Area	12.4
Heavy Atom Count	5
Formal Charge	0

Physical & Chemical Properties

Boiling Point	87.00 to 89.00 °C. @ 760.00 mm Hg
Boiling Point	87-89 °C
Density	0.849-0.855
Refractive Index	1.440-1.446

Physical description & handling notes

Solid
Colourless liquid; Pungent ammoniacal odour
Soluble in water
Soluble (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 934-JECFA 65/89
GHS notification summary	100% (89 / 89)

GHS Hazard Classification

GHS notification summary	100% (89 / 89)

This chemical does not meet GHS hazard criteria for 100% (89 of 89) of all reports.

Reported as not meeting GHS hazard criteria by 89 of 89 companies. For more detailed information, please visit ECHA C&L website.

Documented Uses

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index

Synonyms

1-Pyrroline; 3,4-Dihydro-2H-pyrrole; 5724-81-2; 2H-Pyrrole, 3,4-dihydro-; delta(1)-Pyrroline; ISOPYRROLINE; CHEBI:19092; 2SK2I7766O; FEMA NO. 3898; DTXSID10863608; delta-pyrrolinium; RefChem:77214; DTXCID30219007; 227-230-6; EINECS 227-230-6; UNII-2SK2I7766O

Frequently Asked Questions

What are the CAS number and molecular formula of 1-Pyrroline?

CAS 5724-81-2; molecular formula C4H7N; molecular weight 69.06 g/mol.

What other names is 1-Pyrroline known by?

1-Pyrroline, 3,4-Dihydro-2H-pyrrole, 5724-81-2, 2H-Pyrrole, 3,4-dihydro-, delta(1)-Pyrroline, ISOPYRROLINE.

What is the regulatory status of 1-Pyrroline?

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

Is 1-Pyrroline classified as hazardous?

100% of GHS notifications report no hazard classification (89 of 89).

What are the key physical properties of 1-Pyrroline?

Boiling Point: 87.00 to 89.00 °C. @ 760.00 mm Hg; Boiling Point: 87-89 °C; Density: 0.849-0.855; Refractive Index: 1.440-1.446.

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.