3-巯基-2-丁酮

Name: 3-巯基-2-丁酮
Brand: 济南圣和化工有限公司

CAS 40789-98-8C4H8OSMW 104.17主营产品

本页收录 3-巯基-2-丁酮，CAS 登记号为 40789-98-8，分子式 C4H8OS，分子量 104.17，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	40789-98-8
分子式	C4H8OS
分子量	104.17
沸点	50 °C (18 mm Hg)
LogP	0.7
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

3-巯基-2-丁酮的核心用途是食用香精，同时在有机化学品等方向也有成熟应用。不同用途对纯度与杂质指标的要求不同，建议在采购前与我们的技术团队确认规格细节。

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

供应说明：3-巯基-2-丁酮常规包装为按订单/批次确认(不公开发布)，储存时应密封置于阴凉干燥处，避免与氧化剂混放。济南圣和化工有限公司支持国内物流发货，大货交期与运费以订单确认为准。

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-巯基-2-丁酮外，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-巯基-2-丁酮的 CAS 号是多少？

3-巯基-2-丁酮的 CAS 号为 40789-98-8。

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。

3-巯基-2-丁酮有什么用途？

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

3-Mercapto-2-butanone is identified by CAS 40789-98-8, molecular formula C4H8OS and molecular weight 104.03 g/mol. UNII 99G79565PJ; ChEBI 166838; InChIKey XLMPYCGSRHSSSX-UHFFFAOYSA-N. Boiling Point: 50 °C (18 mm Hg); Density: 1.016 (20 °C); Refractive Index: 1.469-1.479.

Identification

CAS Registry Number	40789-98-8
PubChem CID	38679
Molecular formula	C4H8OS
Molecular weight	104.03 g/mol
IUPAC name	3-sulfanylbutan-2-one
InChIKey	XLMPYCGSRHSSSX-UHFFFAOYSA-N
UNII (FDA)	99G79565PJ
ChEBI ID	CHEBI:166838
FEMA number	3298
JECFA number	558

Computed Descriptors

Molecular Weight	104.17
XLogP3	0.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	104.02958605
Monoisotopic Mass	104.02958605
Topological Polar Surface Area	18.1
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	50 °C (18 mm Hg)
Density	1.016 (20 °C)
Refractive Index	1.469-1.479

Physical description & handling notes

colourless or pale yellow liquid, becomes cloudy after short storage
slightly soluble in water; soluble in alcohol, ether, pyridine and aqueous alkalis
(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 Onion No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H226 (11.7%), H302 (88.3%), H315 (99.2%), H319 (100%), H332 (88.3%), H335 (99.2%)

H226 (11.7%): Flammable liquid and vapor [Warning Flammable liquids]

H302 (88.3%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
2-Butanone, 3-mercapto-: ACTIVE

Synonyms

3-Mercapto-2-butanone; 40789-98-8; 2-Mercapto-3-butanone; 3-sulfanylbutan-2-one; 2-BUTANONE, 3-MERCAPTO-; FEMA No. 3298; Mercapto-3 butanone-2; BRN 1737689; Mercapto-3 butanone-2 [French]; EINECS 255-082-2; UNII-99G79565PJ; 99G79565PJ; DTXSID90866016; 4-01-00-03993 (Beilstein Handbook Reference); 3-MERCAPTO-2-BUTANONE [FHFI]; RefChem:94532

Frequently Asked Questions

What are the CAS number and molecular formula of 3-Mercapto-2-butanone?

CAS 40789-98-8; molecular formula C4H8OS; molecular weight 104.03 g/mol.

What other names is 3-Mercapto-2-butanone known by?

3-Mercapto-2-butanone, 40789-98-8, 2-Mercapto-3-butanone, 3-sulfanylbutan-2-one, 2-BUTANONE, 3-MERCAPTO-, FEMA No. 3298.

What is the regulatory status of 3-Mercapto-2-butanone?

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

Is 3-Mercapto-2-butanone classified as hazardous?

Hazard statements reported: H226, H302, H315, H319, H332.

What are the key physical properties of 3-Mercapto-2-butanone?

Boiling Point: 50 °C (18 mm Hg); Density: 1.016 (20 °C); Refractive Index: 1.469-1.479.

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.