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This Safety Data Sheet was issued by Merck Life Science UK Limited on 13 September 2021 under GHS/CLP. ISDSS syncs its database regularly to keep documents current.

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Can I use this SDS as my COSHH risk assessment?

No. An SDS provides the hazard information you need, but a COSHH assessment must consider how the substance is actually used in your workplace. The matching Chemical Risk Assessment (CRA) on this page is a starting point you should adapt to your own tasks and controls.

Safety Data SheetChemical Risk Assessment

Thionyl Chloride

by Merck Life Science UK Limited

SDS · PDF, approx. 220 KB CRA · PDF, approx. 180 KB

Thionyl Chloride is supplied by Merck Life Science UK Limited under product code 230464. This page provides both the Safety Data Sheet (SDS) and the Chemical Risk Assessment (CRA) for this substance, under GHS/CLP regulations for UK workplace use under COSHH. The full SDS and CRA documents are available to download above.

This SDS was last revised on 13 September 2021. The matching CRA is updated in line with SDS revisions. Workplaces handling this substance should retain a current SDS and risk assessment for the duration of use.

Language: English
Regulation: GHS/CLP
Revision Date: 13 Sep 2021
Signal Word: DANGER
Product Code: 230464
CAS Number: 7719-09-7

Switch between the Safety Data Sheet and the Chemical Risk Assessment for this substance.

Hazards at a GlanceFrom the Safety Data Sheet

Signal Word: DANGER

GHS07Harmful / irritant

GHS05Corrosive

GHS06Acute toxicity

Hazard Statements (H-phrases)

H302: Harmful if swallowed.
H331: Toxic if inhaled.
H314: Causes severe skin burns and eye damage.
H318: Causes serious eye damage.
H335: May cause respiratory irritation.
EUH014: Reacts violently with water.
EUH029: Contact with water liberates toxic gas.

Need the full hazard breakdown? Precautionary statements, first aid, physical properties and exposure controls are in the full SDS PDF.

Common QuestionsAbout this Safety Data Sheet

Chemical Risk Assessment SummaryFrom the Chemical Risk Assessment

Assessment Summary

This Chemical Risk Assessment is derived from the Safety Data Sheet for Thionyl Chloride issued by Merck Life Science Uk Limited on 13 September 2021 It presents the substance's hazards organised by risk level, with the relevant regulatory statements and recommended controls for each. These hazards are rated across three levels: High, Medium and Low Risk, based on the hazard classifications in the SDS.

Hazard PreviewA snapshot of substance hazards and controls

Rating Before Controls

HIGH RISK

H331: Toxic if inhaled

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

P403 + P235 Store in a well-ventilated place. Keep cool

P233 Keep container tightly closed.

P501 Dispose of contents/container to correct disposal area.

P405 Store locked up

3 other controls in place

Rating Before Controls

HIGH RISK

H314: Causes severe skin burns and eye damage

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash skin thoroughly after handling.

P501 Dispose of contents/container to correct disposal area.

P405 Store locked up

P280: Wear protective gloves/protective clothing/eye protection/face protection.

P363 Wash contaminated clothing before reuse.

5 other controls in place

Rating Before Controls

HIGH RISK

H318: Causes serious eye damage

P280: Wear protective gloves/protective clothing/eye protection/face protection.

P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P310 Immediately call a POISON CENTER or doctor/physician

Note: This is a preview of the substance's hazards. A substance commonly carries more hazards. Download the full Chemical Risk Assessment for more information.

Recommended Control MeasuresKey PPE and handling controls

Need to download the Chemical Risk Assessment? The full CRA PDF includes all hazard classifications, regulatory statements and recommended controls.

Common QuestionsAbout this Risk Assessment

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Thionyl Chloride

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