亚硫酰氯

Name: 亚硫酰氯
Brand: 济南圣和化工有限公司

CAS 7719-09-7Cl2OSMW 118.97

亚硫酰氯，CAS 登记号 7719-09-7，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，下游主要用于精细化学品；医药中间体。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7719-09-7

分子式Cl2OS

分子量118.97

熔点-156 °F (NIOSH, 2024)

沸点169 °F at 760 mmHg (NIOSH, 2024)

LogP1.5

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)

应用领域精细化学品；医药中间体

类别精细化学品|医药中间体

用途与场景

精细化学品；医药中间体

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

每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。

常见问题

在哪里能查到亚硫酰氯的 CAS 号？

本页已列出亚硫酰氯的 CAS 号：7719-09-7，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。

亚硫酰氯一般用在什么产品里？

主要涉及精细化学品；医药中间体。

下单流程是怎样的？

来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。

PubChem 公开数据

Description

Thionyl Chloride · CAS 7719-09-7 · Cl2OS. UNII 4A8YJA13N4. Boiling Point: 169 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 76 °C at 760 mm Hg; Boiling Point: 76 °C.

Identification

CAS Registry Number	7719-09-7
PubChem CID	24386
Molecular formula	Cl2OS
IUPAC name	thionyl dichloride
UNII (FDA)	4A8YJA13N4

Computed Descriptors

Molecular Weight	118.97
XLogP3	1.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	117.9046912
Monoisotopic Mass	117.9046912
Topological Polar Surface Area	36.3
Heavy Atom Count	4
Formal Charge	0

Physical & Chemical Properties

Boiling Point	169 °F at 760 mmHg (NIOSH, 2024)
Boiling Point	76 °C at 760 mm Hg
Boiling Point	76 °C
Boiling Point	169 °F
Boiling Point	78.8 °C @760 [mm Hg]
Melting Point	-156 °F (NIOSH, 2024)
Melting Point	-104.5 °C
Melting Point	-156 °F
Melting Point	-105 °C
Density	1.676 at 0 °C/4 °C; 1.655 at 10 °C/4 °C; 1.638 at 20 °C/4 °C

Physical description & handling notes

Thionyl chloride appears as a colorless to yellow fuming liquid with a suffocating pungent odor. Boiling point 79 °C. A lachrymator. Highly corrosive and toxic. Long-term inhalation of low concentrations or short-term inhalation of high concentrations has adverse health effects.
Colorless to yellow to reddish liquid with a pungent odor like sulfur dioxide. [Note: Fumes form when exposed to moist air.]; [NIOSH]
COLOURLESS-TO-YELLOW OR REDDISH FUMING LIQUID WITH PUNGENT ODOUR.
Colorless to pale yellow or reddish liquid
Pale yellow to red liquid
Colorless to pale yellow, fuming, refractive liquid

GHS Hazard Classification

Reported hazard statements	H302, H314, H332, H318 (29.4%), H331 (45.7%), H335 (38.4%), H315 (100%), H319 (100%)

H302: Harmful if swallowed [Warning Acute toxicity, oral]

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

Documented Uses

Used to make herbicides, surfactants, drugs, dyes, and plastics; Also used as an electrolyte in lithium batteries; [ACGIH]
Battery Manufacturing [Category: Industry]
Toxic Gas from Spilling Chemical in Water [Category: Other]
For making acyl chlorides, to replace /hydroxide or sulfhydryl/ groups with chlorine atoms; reacts with Grignard reagents to form the corresponding sulfoxides.
... Used to make acyl chlorides and to synthesize pharmaceuticals including drugs and vitamins. It is used to make dyes, to prepare organic chlorine compounds, as a solvent in the production of herbicides, and as an electrolyte in lithium batteries. Thionyl chloride is also used to prepare polyarylate-type engineering thermoplastics made from iso- and tere-phthaloyl chlorides.
Required in the manufacture of methylphosphonic dichloride, a key precursor for the nerve gas Sarin.

Synonyms

THIONYL CHLORIDE; Thionyl dichloride; 7719-09-7; Sulfinyl chloride; Sulfurous dichloride; Sulfurous oxychloride; Sulfinyl dichloride; Sulfur oxychloride; Sulfur chloride oxide; Sulfur chloride oxide (Cl2SO); 4A8YJA13N4; DTXSID3064778; CHEBI:29290; RefChem:6303; DTXCID0047953; 231-748-8

Frequently Asked Questions

What are the CAS number and molecular formula of Thionyl Chloride?

CAS 7719-09-7; molecular formula Cl2OS; molecular weight — g/mol.

What other names is Thionyl Chloride known by?

THIONYL CHLORIDE, Thionyl dichloride, 7719-09-7, Sulfinyl chloride, Sulfurous dichloride, Sulfurous oxychloride.

Is Thionyl Chloride classified as hazardous?

Hazard statements reported: H302, H314, H332, H318, H331.

What are the key physical properties of Thionyl Chloride?

Boiling Point: 169 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 76 °C at 760 mm Hg; Boiling Point: 76 °C; Boiling Point: 169 °F.

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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