Methyl ethyl ketonedetecting-methyl-ethyl-ketone

Formula: C4H8O | CAS: 78-93-3

Detecting methyl ethyl ketone: It can be harmful to the eyes, skin, and if inhaled or swallowed. Workers may be harmed from exposure to methyl ethyl ketone. The level of exposure depends upon the dose, duration, and work being done.

Detecting Methyl ethyl ketone, an ingredient in many industries.

Methyl ethyl ketone is used in many industries. It is used as a solvent and in the manufacture of synthetic rubber, paraffin wax, and to make other chemical products. Some examples of workers at risk of being exposed to methyl ethyl ketone include the following:

  • Workers who work in printing plants
  • Employees exposed to certain paints, coatings, or glues
  • Workers who work in shoe and sporting goods factories
  • Manufacturing workers involved in making synthetic rubber products

Acute (short-term) inhalation exposure to methyl ethyl ketone in humans results in irritation to the eyes, nose, and throat. Limited information is available on the chronic

Chronic (long-term) effects of methyl ethyl ketone in humans. Chronic inhalation studies in animals have reported slight neurological, liver, kidney, and respiratory effects. No information is available on the developmental, reproductive, or carcinogenic effects of methyl ethyl ketone in humans. Developmental effects, including decreased fetal weight and fetal malformations, have been reported in mice and rats exposed to methyl ethyl ketone via inhalation and ingestion. EPA has classified methyl ethyl ketone as a Group D, not classifiable as human carcinogenicity.
– Environmental Protection Agency

How methyl ethyl ketone can enter the environment

Methyl ethyl ketone is produced naturally at low levels by many living things.
Human activities can also lead to the release of methyl ethyl ketone into the environment. It can enter the environment during its production, transport and use. It may also be released from vehicle exhausts and during the breakdown of other chemicals. On entering the environment methyl ethyl ketone is rapidly broken down therefore it does not build up in the environment.

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Everything you need to know about detecting methyl ethyl ketone

Our Gas Factsheets which is available to download below provides you with key information on the exposure limits and the locations of where potentially harmful gases can occur. We also share information on gas detection monitoring techniques and equipment that can help you manage gas detection in the workplace, for worker and site safety.

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Detecting Methyl ethyl ketone

Formula: C4H8O | CAS: 78-93-3

Synonyms: butan-2-one, MEK, 2-butanone, ethyl methyl ketone, methyl acetone, meetco

MEK is a solvent used in the preparation of fibres, resins, gums, lubricating oils, varnishes, films and coatings. It is used in manufacture of pharmaceuticals and cosmetics, synthetic rubber, inks and textiles.

Specification Value/Information
Formula C4H8O
CAS no. 78-93-3
Gas Response Factor, 11.7 eV 1.2
Gas Response Factor, 10.6 eV 0.96
Gas Response Factor, 10.0 eV 2
ppm per mg/m⁻³, (20 °C, 1 bar) 0.334
Molecular Weight, g/mole 72.1
Melting point, °C '-87
Boiling point, °C 80
Flash point, °C '-3.3
Upper Explosive Limit, % 10
Lower Explosive Limit, % 1.8
Density, g.cm⁻³ 0.805
Specification Value/Information
Ionisation Energy, eV 9.51
EH40 TWA, ppm 200
EH40 TWA, mg.m⁻³ 600
EH40 STEL, ppm 300
EH40 STEL, mg.m⁻³ 899
NIOSH ST, ppm 300
NIOSH TWA REL, ppm 200
NIOSH ST, mg.m⁻³ 885
NIOSH TWA REL, mg.m⁻³ 590
NIOSH IDLH, ppm 3000
OSHA TWA PEL, ppm 200
OSHA TWA PEL, mg.m⁻³ 590

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