Safety Data SheetChemical Risk Assessment

Dimethylchlorosilane, 99%

Name: Dimethylchlorosilane, 99%
Brand: GELEST, INC.

by GELEST, INC.

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

Dimethylchlorosilane, 99% is supplied by GELEST, INC. under product code SID4070.1. 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 22 December 2023. 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: 22 Dec 2023
Signal Word: DANGER
Product Code: SID4070.1
CAS Number: 1066-35-9

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

GHS02Flammable

GHS05Corrosive

GHS06Acute toxicity

GHS07Harmful / irritant

Hazard Statements (H-phrases)

H225: Highly flammable liquid and vapour.
H260: In contact with water releases flammable gases which may ignite spontaneously.
H314: Causes severe skin burns and eye damage.
H331: Toxic if inhaled.
H335: May cause respiratory irritation.

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 Dimethylchlorosilane, 99% issued by Gelest, Inc. on 22 December 2023 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 two levels: High and Low Risk, based on the hazard classifications in the SDS.

Hazard PreviewA snapshot of substance hazards and controls

Rating Before Controls

HIGH RISK

H260: In contact with water releases flammable gases which may ignite spontaneously

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

P223: Keep away from any possible contact with water, because of vio-lent reaction and possible fl ash fire.

P231 + P232 Handle under inert gas. Protect from moisture.

P402 + P404 Store in a dry place. Store in a closed container.

P501 Dispose of contents/container to correct disposal area.

P335 + P334 Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.

1 other control 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

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

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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Dimethylchlorosilane, 99%

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