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Thionyl Chloride

CAS 7719-09-7Cl2OSMW 118.97

Thionyl Chloride (CAS 7719-09-7) — formula Cl2OS, molecular weight 118.97; category fine chemicals.

Product Description

Thionyl Chloride (CAS 7719-09-7) is a chemical raw material in the fine chemicals category. Its molecular formula Cl2OS comprises 2 Cl, 1 O, 1 S atoms. Its molecular weight is about 118.97. Reported physicochemical data: melting point around -156 °F (NIOSH, 2024), boiling point around 169 °F at 760 mmHg (NIOSH, 2024), LogP about 1.5. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.

Product Overview

CAS Number7719-09-7
Molecular FormulaCl2OS
Molecular Weight118.97
Melting Point-156 °F (NIOSH, 2024)
Boiling Point169 °F at 760 mmHg (NIOSH, 2024)
LogP1.5
ApplicationsUsed to make herbicides, drugs, dyes, and plastics, Also used as an electrolyte in lithium batteries, Battery Manufacturing
CategoryFine Chemicals|Pharmaceutical Intermediates

Applications

Documented applications: Used to make herbicides, drugs, dyes, and plastics, Also used as an electrolyte in lithium batteries, Battery Manufacturing.

Technical Profile

What this product is

Thionyl Chloride is a high-value fine compound with CAS registry number 7719-09-7 and molecular formula Cl2OS (molecular weight 118.97), belonging to the fine chemicals segment of chemical raw materials.

Identification

CAS number: 7719-09-7

Its molecular formula Cl2OS comprises 2 Cl, 1 O, 1 S atoms.

Also known as: Thionyl Chloride · 亚硫酰氯

Category: fine chemicals / pharmaceutical intermediates and APIs

Frequently Asked Questions

What is the CAS number of Thionyl Chloride?

The CAS registry number of Thionyl Chloride is 7719-09-7.

What is the molecular formula and molecular weight of Thionyl Chloride?

Molecular formula Cl2OS, molecular weight 118.97.

What other names is Thionyl Chloride known by?

It is also registered under: Thionyl Chloride, 亚硫酰氯.

What are the documented applications of Thionyl Chloride?

Recorded applications: Used to make herbicides, drugs, dyes, and plastics, Also used as an electrolyte in lithium batteries, Battery Manufacturing.

Which category does Thionyl Chloride belong to?

Category: Fine Chemicals / Pharmaceutical Intermediates.

Packaging & documentation

Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.

PubChem Public Data

Independent reference data for Thionyl Chloride (CAS 7719-09-7), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number7719-09-7
PubChem CID24386
Molecular formulaCl2OS
IUPAC namethionyl dichloride
UNII (FDA)4A8YJA13N4

Computed descriptors

Molecular Weight118.97
XLogP31.5
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass117.9046912
Monoisotopic Mass117.9046912
Topological Polar Surface Area36.3
Heavy Atom Count4

Physicochemical values on record

Boiling Point169 °F at 760 mmHg (NIOSH, 2024)
Boiling Point76 °C at 760 mm Hg
Boiling Point76 °C
Boiling Point169 °F
Boiling Point78.8 °C @760 [mm Hg]
Melting Point-156 °F (NIOSH, 2024)
Melting Point-104.5 °C
Melting Point-156 °F
Melting Point-105 °C
Density1.676 at 0 °C/4 °C; 1.655 at 10 °C/4 °C; 1.638 at 20 °C/4 °C

Documented uses on record

    Used to make herbicides, surfactants, drugs, dyes, and plastics; Also used as an electrolyte in lithium batteries; [ACGIH]Battery Manufacturing [Category: Industry]

    Synonyms and trade names

    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

    GHS hazard classification

    Reported hazard statementsH302, 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]

    What the public record says

    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.

    Source: PubChem / Wikidata; the batch COA governs where values differ.

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Supplier: Jinan Shenghe Chemical Co., Ltd.

中文页面: 亚硫酰氯

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