富马酸二乙酯

Name: 富马酸二乙酯
Brand: 济南圣和化工有限公司

CAS 623-91-6C8H12O4MW 172.18

富马酸二乙酯（CAS 623-91-6）属有机化学品类产品，分子式 C8H12O4，分子量 172.18。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	623-91-6
分子式	C8H12O4
分子量	172.18
熔点	0.8 °C
沸点	214 °C
LogP	0.9
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

富马酸二乙酯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：富马酸二乙酯常规包装为按订单/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。除富马酸二乙酯外，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

富马酸二乙酯的 CAS 号是多少？

富马酸二乙酯的 CAS 号为 623-91-6。

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。

富马酸二乙酯有什么用途？

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

Diethyl fumarate · CAS 623-91-6 · C8H12O4. UNII 5WBU5A3E8A. Boiling Point: 214 °C; Melting Point: 0.8 °C; Flash Point: 104 °C Closed Cup.

Identification

CAS Registry Number	623-91-6
PubChem CID	638144
Molecular formula	C8H12O4
IUPAC name	diethyl (E)-but-2-enedioate
UNII (FDA)	5WBU5A3E8A

Computed Descriptors

Molecular Weight	172.18
XLogP3	0.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	6
Exact Mass	172.07355886
Monoisotopic Mass	172.07355886
Topological Polar Surface Area	52.6
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Boiling Point	214 °C
Melting Point	0.8 °C
Flash Point	104 °C Closed Cup
Density	1.0452 g/cu cm at 20 °C
Vapor Density	5.93 (Air = 1)
Vapor Pressure	0.17 [mmHg]
Autoignition Temperature	220 °F (104 °C)

Physical description & handling notes

Colorless liquid; [CHEMINFO]
White crystal or in liquid form
Insoluble in water; soluble in acetone and choloform
SLIGHTLY SOL IN WATER
Vapor pressure: 1 mm Hg at 53.2 °C
When heated to decomposition it emits acrid smoke and fumes.

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances Flavoring Agents
GHS notification summary	1.7% (6 / 351)

GHS Hazard Classification

GHS notification summary	1.7% (6 / 351)
Reported hazard statements	H302 (98%), H315 (15.4%), H317 (11.7%), H335 (15.7%), H371 (30.2%), H373 (35.9%), H401

This chemical does not meet GHS hazard criteria for 1.7% (6 of 351) of reports.

H302 (98%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

Used as a co-monomer to make polymers; [HSDB]
COMONOMER FOR POLYMERS, EG, WITH STYRENE & VINYL CHLORIDE
It is used as a ... comonomer for production of polystyrene.
ESTERIFICATION OF ETHYL ALCOHOL WITH FUMARIC ACID
(1979) NO EVIDENCE OF COMMERCIAL PRODN IN U.S.
(1981) NO EVIDENCE OF COMMERCIAL PRODN IN U.S.

Synonyms

Diethyl fumarate; 623-91-6; Fumaric acid, diethyl ester; 2-Butenedioic acid (E)-, diethyl ester; Diethylester kyseliny fumarove; 2-Butenedioic acid (2E)-, diethyl ester; 2-Butenedioic acid, diethyl ester, (E)-; trans-2-Butenedioic acid diethyl ester; 5WBU5A3E8A; NSC-20954; CHEBI:87388; RefChem:587225; 210-819-7; 1,4-diethyl (2Z)-but-2-enedioate; Anti-Psoriaticum; diethyl (E)-but-2-enedioate

Frequently Asked Questions

What are the CAS number and molecular formula of Diethyl fumarate?

CAS 623-91-6; molecular formula C8H12O4; molecular weight — g/mol.

What other names is Diethyl fumarate known by?

Diethyl fumarate, 623-91-6, Fumaric acid, diethyl ester, 2-Butenedioic acid (E)-, diethyl ester, Diethylester kyseliny fumarove, 2-Butenedioic acid (2E)-, diethyl ester.

What is the regulatory status of Diethyl fumarate?

Documented regulatory listings: EU Flavoring substances; Flavoring Agents.

Is Diethyl fumarate classified as hazardous?

1.7% of GHS notifications report no hazard classification (6 of 351).

What are the key physical properties of Diethyl fumarate?

Boiling Point: 214 °C; Melting Point: 0.8 °C; Flash Point: 104 °C Closed Cup; Density: 1.0452 g/cu cm at 20 °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.