甲基乙基二硫醚

Name: 甲基乙基二硫醚
Brand: 济南圣和化工有限公司

CAS 20333-39-5C3H8S2MW 108.23

济南圣和化工有限公司现供应有机化学品——甲基乙基二硫醚（CAS 20333-39-5），分子式 C3H8S2，分子量 108.23。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	20333-39-5
分子式	C3H8S2
分子量	108.23
沸点	137.00 °C. @ 760.00 mm Hg
LogP	1.3
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	有机化学品
类别	有机化学品

应用领域

有机化学品

甲基乙基二硫醚主要应用于有机化学品。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

供应说明：甲基乙基二硫醚常规包装为按订单/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

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。如需甲基乙基二硫醚以外的配套原料，也欢迎一并列出需求清单。

常见问题

甲基乙基二硫醚的 CAS 号是多少？

甲基乙基二硫醚的 CAS 号为 20333-39-5。

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。

甲基乙基二硫醚有什么用途？

主要应用于有机化学品。

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

Methyl ethyl disulfide · CAS 20333-39-5 · C3H8S2. UNII 13370B0F26. Boiling Point: 137.00 °C. @ 760.00 mm Hg; Boiling Point: 136-138 °C; Density: 1.017-1.027 (20 °C).

Identification

CAS Registry Number	20333-39-5
PubChem CID	123388
Molecular formula	C3H8S2
IUPAC name	(methyldisulfanyl)ethane
UNII (FDA)	13370B0F26
FEMA number	4040
JECFA number	1693

Computed Descriptors

Molecular Weight	108.23
XLogP3	1.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	108.00674260
Monoisotopic Mass	108.00674260
Topological Polar Surface Area	50.6
Heavy Atom Count	5
Formal Charge	0

Physical & Chemical Properties

Boiling Point	137.00 °C. @ 760.00 mm Hg
Boiling Point	136-138 °C
Density	1.017-1.027 (20 °C)
Refractive Index	1.410-1.418

Physical description & handling notes

Clear, colourless or pale yellow liquid; Sulfureous aroma
Soluble in non-polar solvents; Insoluble 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 Savory No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H224 (33.3%), H225 (66.7%), H302 (33.3%), H315 (100%), H319 (100%), H335 (66.7%)

H224 (33.3%): Extremely flammable liquid and vapor [Danger Flammable liquids]

H225 (66.7%): Highly Flammable liquid and vapor [Danger Flammable liquids]

Documented Uses

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

Synonyms

Ethyl methyl disulfide; 20333-39-5; (methyldisulfanyl)ethane; Methyl ethyl disulfide; Disulfide, ethyl methyl; Methyl ethyl disulphide; 2,3-Dithiapentane; ethyl methyl disulphide; Ethanesulfenothioic acid, methyl ester; UNII-13370B0F26; 1-(Methyldisulfanyl)ethane; 13370B0F26; DTXSID1074701; FEMA NO. 4040; ETHYL METHYL DISULFIDE [FHFI]; (Methyldisulphanyl)ethane

Frequently Asked Questions

What are the CAS number and molecular formula of Methyl ethyl disulfide?

CAS 20333-39-5; molecular formula C3H8S2; molecular weight — g/mol.

What other names is Methyl ethyl disulfide known by?

Ethyl methyl disulfide, 20333-39-5, (methyldisulfanyl)ethane, Methyl ethyl disulfide, Disulfide, ethyl methyl, Methyl ethyl disulphide.

What is the regulatory status of Methyl ethyl disulfide?

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

Is Methyl ethyl disulfide classified as hazardous?

Hazard statements reported: H224, H225, H302, H315, H319.

What are the key physical properties of Methyl ethyl disulfide?

Boiling Point: 137.00 °C. @ 760.00 mm Hg; Boiling Point: 136-138 °C; Density: 1.017-1.027 (20 °C); Refractive Index: 1.410-1.418.

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.