SolventsSolvents

Some common solventsSome common solvents Charcoal lighter fluid,Charcoal lighter fluid, Windshield washer fluid,Windshield washer fluid, Paint,Paint, Household cleaners, Household cleaners,

and evenand even Water!Water!

1a

Use of solventsUse of solvents CleaningCleaning

DegreasingDegreasing

Removing paint, ink, Removing paint, ink, or other coatingsor other coatings

1b

Use of solventsUse of solvents Producing adhesives, paints, inks, Producing adhesives, paints, inks,

coatings, varnishes, coatings, varnishes, and other sealersand other sealers

Solvents we work Solvents we work withwith

1c

How to recognize solventsHow to recognize solvents Usually liquidUsually liquid

Many are colorlessMany are colorless

Most have a strong odorMost have a strong odor

Some evaporate quicklySome evaporate quickly2a

Always check the container’s labelAlways check the container’s label

How to recognize solventsHow to recognize solvents

2b

Chemistry of solventsChemistry of solvents Solvents are used to dissolve Solvents are used to dissolve

something elsesomething else

Like dissolves likeLike dissolves like

How electron are distributed is How electron are distributed is called called polaritypolarity

3a

Chemistry of solventsChemistry of solvents Polar solvents:Polar solvents:

• WaterWater• KetonesKetones• AlcoholsAlcohols

Non-polar solvents:Non-polar solvents:• OilsOils• Petroleum distillatesPetroleum distillates• Many chlorinated solventsMany chlorinated solvents

3b

Chemistry of solventsChemistry of solvents Always use the solvent specified Always use the solvent specified

for the jobfor the job

Why we use certain solventsWhy we use certain solvents

3c

Health hazardsHealth hazards Routes of entry include:Routes of entry include:

• Breathing the vapors,Breathing the vapors,• Direct contact, andDirect contact, and• Ingestion if you are eating or drinking Ingestion if you are eating or drinking

while using the solvents.while using the solvents.

4a

Health hazards: Acute Health hazards: Acute effectseffects DizzinessDizziness NauseaNausea IrritationIrritation DrynessDryness ItchingItching DermatitisDermatitis

4b

Health hazards: Chronic Health hazards: Chronic effectseffects Chronic diseases typically target:Chronic diseases typically target:

• Skin,Skin,• Liver,Liver,• Kidneys,Kidneys,• Circulatory system,Circulatory system,• Reproductive system, andReproductive system, and• Nervous system.Nervous system.

4c

Health hazardsHealth hazards Check the MSDSCheck the MSDS

Health hazards of Health hazards of the solvents the solvents we usewe use

4d

Physical hazardsPhysical hazards CombustibleCombustible

FlammableFlammable

Check the MSDSCheck the MSDS

Physical hazards of the solvents we usePhysical hazards of the solvents we use

5

Engineering controls that Engineering controls that reduce exposuresreduce exposures VentilationVentilation

Automated chemical transfer Automated chemical transfer equipmentequipment

Engineering controls we useEngineering controls we use

6

Personal protective Personal protective equipment (PPE)equipment (PPE) See solvent’s MSDS for PPE See solvent’s MSDS for PPE

recommendationsrecommendations

Employer selects appropriate PPEEmployer selects appropriate PPE

Types of PPE we useTypes of PPE we use

7

Safe work proceduresSafe work procedures See solvent’s MSDS for safe See solvent’s MSDS for safe

handling informationhandling information

Take appropriate fire prevention Take appropriate fire prevention precautionsprecautions

Use only the amount neededUse only the amount needed

8a

Safe work proceduresSafe work procedures Dispense carefully to avoid spillsDispense carefully to avoid spills

Be cautious about skin contactBe cautious about skin contact

Follow all job-specific work Follow all job-specific work proceduresprocedures

8b

Safe storage proceduresSafe storage procedures See solvent’s MSDS for safe See solvent’s MSDS for safe

storage informationstorage information

Solvents may need to be stored Solvents may need to be stored separately from other materialsseparately from other materials

Storage areas should be well Storage areas should be well ventilatedventilated

9a

Safe storage proceduresSafe storage procedures Rough handling can lead to Rough handling can lead to

dangerous leaksdangerous leaks

Inspect containers for damage Inspect containers for damage prior to useprior to use

Report suspected damage, Report suspected damage, contamination, or leakscontamination, or leaks

9b

Proper clean-up and Proper clean-up and disposaldisposal Emergency releases should be Emergency releases should be

handled by a specially trained handled by a specially trained Hazmat teamHazmat team

Waste solvents need to be Waste solvents need to be collected in proper containerscollected in proper containers

10

First aid and emergency First aid and emergency proceduresprocedures Refer to the MSDS for first aid and Refer to the MSDS for first aid and

emergency informationemergency information Always follow our company’s Always follow our company’s

specific procedures specific procedures for emergency for emergency response and first aidresponse and first aid

11