柠康酸酐

Name: 柠康酸酐
Brand: 济南圣和化工有限公司

CAS 616-02-4C5H4O3MW 112.08

济南圣和化工主营供应柠康酸酐（CAS 616-02-4），归类于有机化学品，分子式 C5H4O3，分子量 112.08。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	616-02-4
分子式	C5H4O3
分子量	112.08
熔点	7-8 °C
沸点	213-214 °C @ 760 MM HG
LogP	0.2
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	有机化学品
类别	有机化学品

应用领域

有机化学品

柠康酸酐在有机化学品领域使用广泛。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：柠康酸酐常规包装为按订单/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。如需柠康酸酐以外的配套原料，也欢迎一并列出需求清单。

常见问题

柠康酸酐的 CAS 号是多少？

柠康酸酐的 CAS 号为 616-02-4。

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。

柠康酸酐有什么用途？

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

Citraconic anhydride · CAS 616-02-4 · C5H4O3. UNII 105NP7PMXX. Boiling Point: 213-214 °C @ 760 MM HG; Melting Point: 7-8 °C; Density: 1.2469 @ 16 °C/4 °C.

Identification

CAS Registry Number	616-02-4
PubChem CID	12012
Molecular formula	C5H4O3
IUPAC name	3-methylfuran-2,5-dione
UNII (FDA)	105NP7PMXX

Computed Descriptors

Molecular Weight	112.08
XLogP3	0.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	112.016043985
Monoisotopic Mass	112.016043985
Topological Polar Surface Area	43.4
Heavy Atom Count	8
Formal Charge	0

Physical & Chemical Properties

Boiling Point	213-214 °C @ 760 MM HG
Melting Point	7-8 °C
Density	1.2469 @ 16 °C/4 °C
Vapor Pressure	1 MM HG @ 47.1 °C

Physical description & handling notes

Colorless liquid; mp = 7-8 deg C; [Hawley] Clear almost colorless liquid; mp = 7 deg C; [MSDSonline]
COLORLESS LIQUID
SOL IN ALCOHOL, ETHER, ACETONE
Index of refraction: 1.4716 at 21 °C/D
DECOMP IN WATER
GRADES: REAGENT.

GHS Hazard Classification

Reported hazard statements	H311 (23.9%), H314 (95.5%), H317 (96.4%), H318 (73.4%), H334 (95.5%), H335 (19.8%)

H311 (23.9%): Toxic in contact with skin [Danger Acute toxicity, dermal]

H314 (95.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

Documented Uses

Used as reagent for alkalies, alcohols, and amines; as monomer for specialty unsaturated polyester resins; [HSDB]
REAGENT FOR ALKALIES, ALCOHOLS, AND AMINES
MONOMER FOR SPECIALTY UNSATURATED POLYESTER RESINS
ANALYTICAL REAGENT FOR ALKALIES, ALCOHOLS & AMINES
PRODUCTION OF CITRACONIC ANHYDRIDE FROM ITACONIC ACID.
VACUUM PYROLYSIS OF CITRIC OR ITACONIC ACID

Synonyms

Citraconic Anhydrides; Anhydride, Citraconic; Anhydrides, Citraconic; Methylmaleic Anhydrides; Anhydrides, Methylmaleic; 2 Methylmaleic Anhydride; Anhydride, 2-Methylmaleic; RefChem:388886; Citraconic anhydride; 616-02-4; 3-methylfuran-2,5-dione; 2-Methylmaleic anhydride; 2,5-Furandione, 3-methyl-; METHYLMALEIC ANHYDRIDE; 3-Methylmaleic anhydride; Citraconic acid anhydride

Frequently Asked Questions

What are the CAS number and molecular formula of Citraconic anhydride?

CAS 616-02-4; molecular formula C5H4O3; molecular weight — g/mol.

What other names is Citraconic anhydride known by?

Citraconic Anhydrides, Anhydride, Citraconic, Anhydrides, Citraconic, Methylmaleic Anhydrides, Anhydrides, Methylmaleic, 2 Methylmaleic Anhydride.

Is Citraconic anhydride classified as hazardous?

Hazard statements reported: H311, H314, H317, H318, H334.

What are the key physical properties of Citraconic anhydride?

Boiling Point: 213-214 °C @ 760 MM HG; Melting Point: 7-8 °C; Density: 1.2469 @ 16 °C/4 °C; Vapor Pressure: 1 MM HG @ 47.1 °C.

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.