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CAS 108-94-1

CAS 108-94-1 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 108-94-1
CAS 108-94-1PubChem CID 7967

Cyclohexanone

Cyclohexanone appears as a colorless to pale yellow liquid with a pleasant odor. Less dense than water. Flash point 111 °F. Vapors heavier than air. Used to make nylon, as a chemical reaction medium, and as a solvent. — CAMEO Chemicals

IUPAC name
cyclohexanone
Molecular formula
C6H10O
Molecular weight
98.14 g/mol
Exact mass
98.073164938 Da
XLogP3
0.8
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

KetohexamethylenePimelic ketoneSextoneNadoneAnoneAnonHytrol OCyclohexanon
16 more reported names
HexanonketocyclohexanePimelin ketoneoxocyclohexaneCicloesanoneCykloheksanonNCI-C55005RCRA waste number U057EPA Pesticide Chemical Code 0259025QOR3YM052NSC-5711CHEBI:17854RefChem:129639203-631-1HytroloCyclic ketone
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match7967

Attributed physical-property, hazard, environmental and use annotations.

  • First Aid: EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.; SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. IMMEDIATELY call a hospital or poison control center even if no symptoms (such as redness or irritation) develop. IMMEDIATELY transport the victim to a hospital for treatment after washing the affected areas.; INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whene Source: CAMEO Chemicals
  • ERG2024, Guide 127 (Cyclohexanone): General First Aid:; · Call 911 or emergency medical service.; · Ensure that medical personnel are aware of the material(s) involved, take precautions to protect themselves and avoid contamination.; · Move victim to fresh air if it can be done safely.; · Administer oxygen if breathing is difficult.; · If victim is not breathing:; -- DO NOT perform mouth-to-mouth resuscitation; the victim may have ingested or inhaled the substance.; -- If equipped and pulse detected, wash face and mouth, then give artificial respiration using a proper respiratory medical device (bag-valve mask, pocket mask equipped with a one-way valve or other device).; -- If no pulse detected or no respiratory medical device available, provide continuous compressions. Conduct a pulse check every two minutes or monitor for any signs of spontaneous respirations.; · Remove and isolate contaminated clothing and shoes.; · For minor skin contact, avoid spreading material on unaffected skin.; · In case of contact with substance, remove immediately by flushing skin or eyes with running water for at least 20 minutes.; · For severe burns, immediate medical attention is required.; · Effects of exposure (inhalation, ingestion, Source: Emergency Response Guidebook (ERG)
  • First Aid: (General first aid procedures); Eye: Irrigate immediately - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.; Skin: Water flush promptly - If this chemical contacts the skin, flush the contaminated skin with water promptly. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water promptly. If irritation persists after washing, get medical attention.; Breathing: Respiratory support; Swallow: Medical attention immediately - If this chemical has been swallowed, get medical attention immediately. Source: The National Institute for Occupational Safety and Health (NIOSH)
  • Signal: Warning Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • GHS Hazard Statements: H226: Flammable liquid and vapor [Warning Flammable liquids]; H332: Harmful if inhaled [Warning Acute toxicity, inhalation] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Precautionary Statement Codes: P210, P233, P240, P241, P242, P243, P261, P271, P280, P303+P361+P353, P304+P340, P317, P370+P378, P403+P235, and P501 (click each P-code to see the statement) Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Signal: Danger Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H226 (> 99.9%): Flammable liquid and vapor [Warning Flammable liquids]; H302 (32.1%): Harmful if swallowed [Warning Acute toxicity, oral]; H312 (31.2%): Harmful in contact with skin [Warning Acute toxicity, dermal]; H315 (17.9%): Causes skin irritation [Warning Skin corrosion/irritation]; H318 (31.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]; H332 (99.6%): Harmful if inhaled [Warning Acute toxicity, inhalation] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P317, P321, P330, P332+P317, P362+P364, P370+P378, P403+P235, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 4081 reports by companies from 32 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • Signal: Danger Source: NITE-CMC
  • GHS Hazard Statements: H226: Flammable liquid and vapor [Warning Flammable liquids]; H302: Harmful if swallowed [Warning Acute toxicity, oral]; H311: Toxic in contact with skin [Danger Acute toxicity, dermal]; H315: Causes skin irritation [Warning Skin corrosion/irritation]; H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H331: Toxic if inhaled [Danger Acute toxicity, inhalation]; H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]; H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]; H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]; H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]; H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]; H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure] Source: NITE-CMC
  • Precautionary Statement Codes: P203, P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P264+P265, P270, P271, P272, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P316, P316, P318, P319, P321, P330, P332+P317, P333+P317, P337+P317, P361+P364, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement) Source: NITE-CMC
  • GHS Hazard Statements: H226: Flammable liquid and vapor [Warning Flammable liquids]; H302: Harmful if swallowed [Warning Acute toxicity, oral]; H305: May be harmful if swallowed and enters airways [Warning Aspiration hazard]; H311: Toxic in contact with skin [Danger Acute toxicity, dermal]; H315: Causes skin irritation [Warning Skin corrosion/irritation]; H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H331: Toxic if inhaled [Danger Acute toxicity, inhalation]; H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]; H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]; H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]; H351: Suspected of causing cancer [Warning Carcinogenicity]; H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]; H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]; H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]; H372: Causes damage to organs through prolonged or repeated exposure [ Source: NITE-CMC
  • Precautionary Statement Codes: P203, P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P316, P316, P318, P319, P321, P330, P331, P332+P317, P337+P317, P361+P364, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement) Source: NITE-CMC
  • NFPA Health Rating: 1 - Materials that, under emergency conditions, can cause significant irritation. Source: Hazardous Substances Data Bank (HSDB)
  • NFPA Fire Rating: 2 - Materials that must be moderately heated or exposed to relatively high ambient temperatures before ignition can occur. Materials would not under normal conditions form hazardous atmospheres with air, but under high ambient temperatures or under moderate heating could release vapor in sufficient quantities to produce hazardous atmospheres with air. Source: Hazardous Substances Data Bank (HSDB)
  • NFPA Instability Rating: 0 - Materials that in themselves are normally stable, even under fire conditions. Source: Hazardous Substances Data Bank (HSDB)
  • Environmental Bioconcentration: The bioconcentration factor (BCF) for cyclohexanone can be estimated to be 2.4 based on the log Kow of 0.81(1) and a recommended regression equation(2). This BCF indicates that cyclohexanone will not bioconcentrate in aquatic organisms(SRC). Source: Hazardous Substances Data Bank (HSDB)
  • Environmental Bioconcentration: Based on a water solubility of 23,000 mg/l at 20 °C(1) and a log Kow of 0.81(2), the log BCF for cyclohexanone has been estimated to be 0.14 and 0.39, respectively, from recommended regression equations(1,3,SRC). Source: Hazardous Substances Data Bank (HSDB)
  • Environmental Fate: TERRESTRIAL FATE: Cyclohexanone is estimated to be highly mobile in soil(1,3,SRC). In view of its moderate vapor pressure(2) and low adsorption to soil(3), it would be expected to volatilize from surface soil. Although data are lacking, it may also undergo direct photolysis on the soil surface(4). Cyclohexanone is readily biodegradable according to aerobic screening tests(5-12) and therefore would be expected to biodegrade in soil(SRC). Source: Hazardous Substances Data Bank (HSDB)
  • Environmental Fate: AQUATIC FATE: If released in water, cyclohexanone would be slowly lost by volatilization. Its estimated half-lives in a model river and model lake are 4.1 and 33 days, respectively(1,2). Cyclohexanone is readily biodegradable according to aerobic screening tests(6) and in a die-away test performed using microorganisms from river water(3) and therefore, may be expected to biodegrade in natural waters. Adsorption to sediment(2,4) and bioconcentration(2,5) in aquatic organisms should be minimal(2) based upon its high water solubility(4) and low octanol/water partition coefficient(5). Source: Hazardous Substances Data Bank (HSDB)
  • Environmental Fate: ATMOSPHERIC FATE: In the atmosphere, cyclohexanone will degrade by reacting with photochemically-produced hydroxyl radicals. Its estimated half-life resulting from this reaction is 1.3 days(1,2). Source: Hazardous Substances Data Bank (HSDB)
  • Industry Uses: Cleaning agent; Plasticizer; Corrosion inhibitor; Diluent; Not Known or Reasonably Ascertainable; Intermediate; Dispersing agent; Solvent; Binder; Monomers; Fuel Source: EPA Chemical Data Reporting (CDR)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 108-94-1

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How CAS 108-94-1 is used on this site

CAS 108-94-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 108-94-1 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.