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

噻吩，二氢-,1,1-二氧化物，CAS 登记号 28452-93-9，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于无机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号28452-93-9

分子式C4H6O2S

分子量118.16

熔点147 to 149 °F (NTP, 1992)

LogPlog 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

用途与场景

无机化学品

包装与供货

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

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到噻吩，二氢-,1,1-二氧化物的 CAS 号？

本页已列出噻吩，二氢-,1,1-二氧化物的 CAS 号：28452-93-9，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

噻吩，二氢-,1,1-二氧化物一般用在什么产品里？

主要涉及无机化学品。

下单流程是怎样的？

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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.

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