乙酰乙醛二甲缩醛

Name: 乙酰乙醛二甲缩醛
Brand: 济南圣和化工有限公司

CAS 5436-21-5C6H12O3MW 132.16

济南圣和化工主营供应乙酰乙醛二甲缩醛（CAS 5436-21-5），归类于医药中间体及原料药，分子式 C6H12O3，分子量 132.16。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。

产品概览

CAS号	5436-21-5
分子式	C6H12O3
分子量	132.16
熔点	-83.00 °C. @ 760.00 mm Hg
沸点	178.00 °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	医药中间体及原料药
类别	医药中间体及原料药

应用领域

医药中间体及原料药

该产品的下游应用集中在医药中间体及原料药。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

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

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 3,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

乙酰乙醛二甲缩醛的 CAS 号是多少？

乙酰乙醛二甲缩醛的 CAS 号为 5436-21-5。

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。

乙酰乙醛二甲缩醛有什么用途？

主要应用于医药中间体及原料药。

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

4,4-Dimethoxy-2-butanone · CAS 5436-21-5 · C6H12O3. UNII 0IZ188B2ZA. Boiling Point: 178.00 °C. @ 760.00 mm Hg; Boiling Point: 178 °C; Melting Point: -83.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	5436-21-5
PubChem CID	228548
Molecular formula	C6H12O3
IUPAC name	4,4-dimethoxybutan-2-one
UNII (FDA)	0IZ188B2ZA
FEMA number	3381
JECFA number	593

Computed Descriptors

Molecular Weight	132.16
XLogP3	-0.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	4
Exact Mass	132.078644241
Monoisotopic Mass	132.078644241
Topological Polar Surface Area	35.5
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	178.00 °C. @ 760.00 mm Hg
Boiling Point	178 °C
Melting Point	-83.00 °C. @ 760.00 mm Hg
Density	0.993-0.998
Refractive Index	1.414-1.424

Physical description & handling notes

Clear yellow liquid; [Sigma-Aldrich MSDS]
slightly
(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 Floral 3-KETOBUTYRALDEHYDE DIMETHYL ACETAL
GHS notification summary	5.6% (89 / 1598)

GHS Hazard Classification

GHS notification summary	5.6% (89 / 1598)
Reported hazard statements	H226 (94.4%)

This chemical does not meet GHS hazard criteria for 5.6% (89 of 1598) of reports.

H226 (94.4%): Flammable liquid and vapor [Warning Flammable liquids]

Documented Uses

Used as a flavoring agent; [FDA]
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
2-Butanone, 4,4-dimethoxy-: ACTIVE

Synonyms

4,4-dimethoxybutan-2-one; 4,4-Dimethoxy-2-butanone; Acetylacetaldehyde dimethyl acetal; 2-Butanone, 4,4-dimethoxy-; 1,1-Dimethoxy-3-butanone; Acetoacetaldehyde dimethyl acetal; 3-Oxobutyraldehyde dimethyl acetal; 4,4-Dimethoxybutanone; Formylacetone dimethyl acetal; Acetylacetaldehyddimethylacetal; 3-Oxobutanal dimethyl acetal; 3-Ketobutyraldehyde dimethylacetal; Acetoacetaldehyde, 1-(dimethyl acetal); FEMA No. 3381; beta-Oxobutyraldehyde dimethyl acetal; NSC 21538

Frequently Asked Questions

What are the CAS number and molecular formula of 4,4-Dimethoxy-2-butanone?

CAS 5436-21-5; molecular formula C6H12O3; molecular weight — g/mol.

What other names is 4,4-Dimethoxy-2-butanone known by?

4,4-dimethoxybutan-2-one, 4,4-Dimethoxy-2-butanone, Acetylacetaldehyde dimethyl acetal, 2-Butanone, 4,4-dimethoxy-, 1,1-Dimethoxy-3-butanone, Acetoacetaldehyde dimethyl acetal.

What is the regulatory status of 4,4-Dimethoxy-2-butanone?

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

Is 4,4-Dimethoxy-2-butanone classified as hazardous?

5.6% of GHS notifications report no hazard classification (89 of 1598).

What are the key physical properties of 4,4-Dimethoxy-2-butanone?

Boiling Point: 178.00 °C. @ 760.00 mm Hg; Boiling Point: 178 °C; Melting Point: -83.00 °C. @ 760.00 mm Hg; Density: 0.993-0.998.

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.