3,3-二甲基丙烯酸

Name: 3,3-二甲基丙烯酸
Brand: 济南圣和化工有限公司

CAS 541-47-9C5H8O2MW 100.12主营产品

济南圣和化工主营供应 3,3-二甲基丙烯酸（CAS 541-47-9），归类于主营产品，分子式 C5H8O2，分子量 100.12。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	541-47-9
分子式	C5H8O2
分子量	100.12
熔点	65 °C
沸点	195.00 to 197.00 °C. @ 760.00 mm Hg
LogP	1.2
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

3,3-二甲基丙烯酸在食用香精领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

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：3,3-二甲基丙烯酸常规包装为按订单/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

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 2,000+ 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

3,3-二甲基丙烯酸的 CAS 号是多少？

3,3-二甲基丙烯酸的 CAS 号为 541-47-9。

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。

3,3-二甲基丙烯酸有什么用途？

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

3-Methylcrotonic acid is identified by CAS 541-47-9, molecular formula C5H8O2 and molecular weight 100.05 g/mol. UNII EKV8I38F9I; ChEBI 37127; InChIKey YYPNJNDODFVZLE-UHFFFAOYSA-N. Boiling Point: 195.00 to 197.00 °C. @ 760.00 mm Hg; Melting Point: 65 °C; Solubility: 10 mg/mL.

Identification

CAS Registry Number	541-47-9
PubChem CID	10931
Molecular formula	C5H8O2
Molecular weight	100.05 g/mol
IUPAC name	3-methylbut-2-enoic acid
InChIKey	YYPNJNDODFVZLE-UHFFFAOYSA-N
UNII (FDA)	EKV8I38F9I
ChEBI ID	CHEBI:37127
FEMA number	3187
JECFA number	1204

Computed Descriptors

Molecular Weight	100.12
XLogP3	1.2
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	100.052429494
Monoisotopic Mass	100.052429494
Topological Polar Surface Area	37.3
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	195.00 to 197.00 °C. @ 760.00 mm Hg
Melting Point	65 °C
Solubility	10 mg/mL

Physical description & handling notes

Slightly yellow crystalline powder; [Acros Organics MSDS]
Solid
Solid; green, phenolic, dairy aroma
Soluble in most organic solvents
soluble (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Green No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H314 (21.6%), H315 (78.4%), H318 (46.8%), H335 (78.4%)

H314 (21.6%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H315 (78.4%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Used as a flavoring agent; [FDA]
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
2-Butenoic acid, 3-methyl-: ACTIVE

Synonyms

3,3-Dimethylacrylic acid; 541-47-9; Senecioic acid; 3-Methylcrotonic acid; 2-Butenoic acid, 3-methyl-; 3-METHYL-2-BUTENOIC ACID; beta,beta-Dimethylacrylic acid; beta,beta-Dimethacrylic acid; beta-Methylcrotonic acid; FEMA No. 3187; DTXSID2047145; EKV8I38F9I; DTXCID0027145; RefChem:25865; 208-782-7; 3-methylbut-2-enoic acid

Frequently Asked Questions

What are the CAS number and molecular formula of 3-Methylcrotonic acid?

CAS 541-47-9; molecular formula C5H8O2; molecular weight 100.05 g/mol.

What other names is 3-Methylcrotonic acid known by?

3,3-Dimethylacrylic acid, 541-47-9, Senecioic acid, 3-Methylcrotonic acid, 2-Butenoic acid, 3-methyl-, 3-METHYL-2-BUTENOIC ACID.

What is the regulatory status of 3-Methylcrotonic acid?

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

Is 3-Methylcrotonic acid classified as hazardous?

Hazard statements reported: H314, H315, H318, H335.

What are the key physical properties of 3-Methylcrotonic acid?

Boiling Point: 195.00 to 197.00 °C. @ 760.00 mm Hg; Melting Point: 65 °C; Solubility: 10 mg/mL.

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.