2,3-二乙基-5-甲基吡嗪

Name: 2,3-二乙基-5-甲基吡嗪
Brand: 济南圣和化工有限公司

CAS 18138-04-0C9H14N2MW 150.22主营产品

济南圣和化工有限公司现供应主营产品——2,3-二乙基-5-甲基吡嗪（CAS 18138-04-0），分子式 C9H14N2，分子量 150.22。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	18138-04-0
分子式	C9H14N2
分子量	150.22
沸点	203 °C
LogP	1.95
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；有机化学品
类别	主营产品\|食用香精\|有机化学品

应用领域

食用香精；有机化学品

在下游生产中，食用香精是 2,3-二乙基-5-甲基吡嗪最主要的应用场景；此外它还用于有机化学品。若您有特定工艺要求，可在询价时注明用途，我们会推荐匹配的纯度等级。

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 2,3-二乙基-5-甲基吡嗪以外的配套原料，也欢迎一并列出需求清单。

常见问题

2,3-二乙基-5-甲基吡嗪的 CAS 号是多少？

2,3-二乙基-5-甲基吡嗪的 CAS 号为 18138-04-0。

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。

2,3-二乙基-5-甲基吡嗪有什么用途？

主要应用于食用香精；有机化学品。

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

2,3-DIETHYL-5-METHYLPYRAZINE is identified by CAS 18138-04-0, molecular formula C9H14N2 and molecular weight 150.12 g/mol. UNII 530763R0AP; ChEBI 193685; InChIKey PSINWXIDJYEXLO-UHFFFAOYSA-N. Boiling Point: 203 °C; Density: 0.938-0.957; LogP: 1.95.

Identification

CAS Registry Number	18138-04-0
PubChem CID	28905
Molecular formula	C9H14N2
Molecular weight	150.12 g/mol
IUPAC name	2,3-diethyl-5-methylpyrazine
InChIKey	PSINWXIDJYEXLO-UHFFFAOYSA-N
UNII (FDA)	530763R0AP
ChEBI ID	CHEBI:193685
FEMA number	3336
JECFA number	777

Computed Descriptors

Molecular Weight	150.22
XLogP3	1.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	150.115698455
Monoisotopic Mass	150.115698455
Topological Polar Surface Area	25.8
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Boiling Point	203 °C
Density	0.938-0.957
LogP	1.95
Refractive Index	1.493-1.505

Physical description & handling notes

colourless to light yellow liquid with a nutty, roasted, vegetable odour
moderately soluble in water; soluble in oils, organic solvents
miscible at room temperature (in ethanol)
6.7 [ug/mL] (The mean of the results at pH 7.4)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Earth, Meat, Potato, Roast No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	6.2% (90 / 1453)

GHS Hazard Classification

GHS notification summary	6.2% (90 / 1453)
Reported hazard statements	H302 (88.6%), H312 (88.6%), H332 (88.6%)

This chemical does not meet GHS hazard criteria for 6.2% (90 of 1453) of reports.

H302 (88.6%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

Flavoring Agents -> JECFA Flavorings Index
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Pyrazine, 2,3-diethyl-5-methyl-: ACTIVE

Synonyms

2,3-DIETHYL-5-METHYLPYRAZINE; Pyrazine, 2,3-diethyl-5-methyl-; 5-Methyl-2,3-diethylpyrazine; hazelnut pyrazine; 2,3-Diethyl-6-methylpyrazine; FEMA No. 3336; UNII-530763R0AP; EINECS 242-024-6; 530763R0AP; DTXSID6066317; PSINWXIDJYEXLO-UHFFFAOYSA-; METHYL-5,6-DIETHYLPYRAZINE; 2,3-DIETHYL-5-METHYLPYRAZINE [FHFI]; RefChem:81630; DTXCID4035754; 242-024-6

Frequently Asked Questions

What are the CAS number and molecular formula of 2,3-DIETHYL-5-METHYLPYRAZINE?

CAS 18138-04-0; molecular formula C9H14N2; molecular weight 150.12 g/mol.

What other names is 2,3-DIETHYL-5-METHYLPYRAZINE known by?

2,3-DIETHYL-5-METHYLPYRAZINE, Pyrazine, 2,3-diethyl-5-methyl-, 5-Methyl-2,3-diethylpyrazine, hazelnut pyrazine, 2,3-Diethyl-6-methylpyrazine, FEMA No. 3336.

What is the regulatory status of 2,3-DIETHYL-5-METHYLPYRAZINE?

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

Is 2,3-DIETHYL-5-METHYLPYRAZINE classified as hazardous?

6.2% of GHS notifications report no hazard classification (90 of 1453).

What are the key physical properties of 2,3-DIETHYL-5-METHYLPYRAZINE?

Boiling Point: 203 °C; Density: 0.938-0.957; LogP: 1.95; Refractive Index: 1.493-1.505.

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.