噻吩，二氢-,1,1-二氧化物

Name: 噻吩，二氢-,1,1-二氧化物
Brand: 济南圣和化工有限公司

CAS 28452-93-9C4H6O2SMW 118.16

本页收录噻吩，二氢-,1,1-二氧化物，CAS 登记号为 28452-93-9，分子式 C4H6O2S，分子量 118.16，归类于无机化学品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	28452-93-9
分子式	C4H6O2S
分子量	118.16
熔点	147 to 149 °F (NTP, 1992)
LogP	log Kow= -1.448
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	无机化学品
类别	无机化学品

应用领域

无机化学品

噻吩，二氢-,1,1-二氧化物在无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

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

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。除噻吩，二氢-,1,1-二氧化物外，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

噻吩，二氢-,1,1-二氧化物的 CAS 号是多少？

噻吩，二氢-,1,1-二氧化物的 CAS 号为 28452-93-9。

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。

噻吩，二氢-,1,1-二氧化物有什么用途？

主要应用于无机化学品。

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

Thiophene, dihydro-,1,1-dioxide · CAS 28452-93-9 · C4H6O2S. UNII Z6003L44MN. Melting Point: 147 to 149 °F (NTP, 1992); Melting Point: 64-65.5 °C; Flash Point: 235 °F (NTP, 1992).

Identification

CAS Registry Number	28452-93-9
PubChem CID	6498
Molecular formula	C4H6O2S
IUPAC name	2,5-dihydrothiophene 1,1-dioxide
UNII (FDA)	Z6003L44MN

Computed Descriptors

Molecular Weight	118.16
XLogP3	-0.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	118.00885060
Monoisotopic Mass	118.00885060
Topological Polar Surface Area	42.5
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Melting Point	147 to 149 °F (NTP, 1992)
Melting Point	64-65.5 °C
Flash Point	235 °F (NTP, 1992)
Flash Point	113 °C
Solubility	50 to 100 mg/mL at 61 °F (NTP, 1992)
Vapor Pressure	0.34 [mmHg]
LogP	log Kow= -1.448

Physical description & handling notes

3-sulfolene appears as white crystals with a pungent odor. Melting point 64-65.5 °C.
Large Crystals
White solid with pungent odor; [CAMEO] Off-white crystalline solid; [Alfa Aesar MSDS]
CRYSTALS
Decomposes (NTP, 1992)
Decomposes

GHS Hazard Classification

Reported hazard statements	H318 (55.3%), H319 (44.7%)

H318 (55.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

H319 (44.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

Used as a specialty solvent in petroleum refining and in the manufacture of sulfolane (another solvent in petroleum refining); [HSDB]
Petroleum Production and Refining [Category: Industry]
2,5-Dihydrothiophene 1,1-dioxide is used as a specialty solvent in petroleum refining and it is used during the manufacture of sulfolane which is also a solvent in petroleum refining. 1
REACTION OF SULFUR DIOXIDE AND 1,3-BUTADIENE
2023: 1,000,000 - <5,000,000 lb
2022: 5,000,000 - <10,000,000 lb

Synonyms

3-Sulfolene; 2,5-DIHYDROTHIOPHENE 1,1-DIOXIDE; Sulfolene; beta-Sulfolene; Thiophene, 2,5-dihydro-, 1,1-dioxide; sulpholene; 2,5-dihydrothiophene-1,1-dioxide; CCRIS 569; .beta.-Sulfolene; HSDB 2903; EINECS 201-059-7; UNII-Z6003L44MN; DTXSID6021294; BRN 0107004; AI3-23457; 2,5-dihydrothiophene s,s-dioxide

Frequently Asked Questions

What are the CAS number and molecular formula of Thiophene, dihydro-,1,1-dioxide?

CAS 28452-93-9; molecular formula C4H6O2S; molecular weight — g/mol.

What other names is Thiophene, dihydro-,1,1-dioxide known by?

3-Sulfolene, 2,5-DIHYDROTHIOPHENE 1,1-DIOXIDE, Sulfolene, beta-Sulfolene, Thiophene, 2,5-dihydro-, 1,1-dioxide, sulpholene.

Is Thiophene, dihydro-,1,1-dioxide classified as hazardous?

Hazard statements reported: H318, H319.

What are the key physical properties of Thiophene, dihydro-,1,1-dioxide?

Melting Point: 147 to 149 °F (NTP, 1992); Melting Point: 64-65.5 °C; Flash Point: 235 °F (NTP, 1992); Flash Point: 113 °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.