English Safety Data Sheet Database 中文版 MSDS

cycloheptanone

CAS No. 502-42-1 | PubChem CID 10400
Section 1. Identification
Chemical Namecycloheptanone CAS No.502-42-1
Synonymssuberone Chinese Name环庚酮
Molecular FormulaC7H12O Molecular Weight112.2
UN No.1224 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS02 · Flammable GHS05 · Corrosive GHS07 · Irritant
Hazard Statements H226H302H318
Precautionary Statements P210P233P240P241P242P243P264P264+P265P270P280P301+P317P303+P361+P353P305+P354+P338P317P330P370+P378P403+P235P501

Section 2. Hazards Identification

This chemical does not meet GHS hazard criteria for 2% (1 of 51) of reports.

H226 (98%): Flammable liquid and vapor [Warning Flammable liquids]

H302 (96.1%): Harmful if swallowed [Warning Acute toxicity, oral]

H318 (82.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

P210, P233, P240, P241, P242, P243, P264, P264+P265, P270, P280, P301+P317, P303+P361+P353, P305+P354+P338, P317, P330, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 51 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Reported as not meeting GHS hazard criteria per 1 of 51 reports by companies.

There are 5 notifications provided by 50 of 51 reports by companies with hazard statement code(s).

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.

Section 9. Physical and Chemical Properties

Colorless liquid with a peppermint odor; [Hawley]

178.5-179.5 @ 760 MM HG

INSOL IN WATER; SOL IN ETHER, VERY SOL IN ALCOHOL

0.9508 @ 20 °C/4 °C

VOLATILE.

INDEX OF REFRACTION: 1.4608 @ 20 °C; MAX ABSORPTION (ALCOHOL): 285 NM (LOG E= 1.30)

DIPOLE MOMENT: 2.98

Schoenflies notation

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Solvents -> Ketones (<C12)

Section 11. Toxicological Information

Neurotoxin - Acute solvent syndrome

LIQUID ALICYCLIC HYDROCARBONS WILL DEHYDRATE & DELIPIDIZE SKIN ON REPEATED OR PROLONGED CONTACT & CAUSE DERMATITIS. DIRECT CONTACT...WITH LUNG TISSUE (ASPIRATION) WILL CAUSE PULMONARY EDEMA, PNEUMONITIS & HEMORRHAGE. VAPORS IN SUFFICIENT CONCN WILL CAUSE IRRITATION OF MUCOUS MEMBRANES. /ALICYCLIC HYDROCARBONS/

TOXICOLOGICALLY, THE ALICYCLIC HYDROCARBONS RESEMBLE THEIR OPEN CHAIN RELATIVES, THE ALIPHATIC HYDROCARBONS. IN GENERAL, THEY ARE ANESTHETICS & CNS DEPRESSANTS WITH A RELATIVELY LOW ORDER OF ACUTE TOXICITY. ...CUMULATIVE TOXICITY FROM REPEATED EXPOSURE TO LOW ATMOSPHERIC CONCN IS IMPROBABLE. /ALICYCLIC HYDROCARBONS/

KETONES, USED WIDELY AS SOLVENTS, HAVE NO CURRENT RECOGNIZED GENERAL TOXICOLOGICAL PROPERTIES...CYCLOHEXANONE & ITS ANALOGUES ARE NOT OF TOXIC IMPORTANCE, ALTHOUGH THEY MAY CAUSE TRANSIENT IRRITATION. /KETONES/

RECENTLY IDENTIFIED COMPONENT OF COFFEE AROMA. /FROM TABLE/

ISOLATED FROM PROCESSED PORK LIVER WHEN PRESSURE COOKED @ 157 °C. /FROM TABLE/

INDUSTRIAL EXPOSURE TO COMMON KETONES IS MOST LIKELY TO BE THROUGH INHALATION OF VAPORS OR THROUGH CONTACT WITH LIQUIDS. SWALLOWING IS NOT LIKELY UNLESS THEY ARE STORED IN IMPROPERLY LABELED CONTAINERS. /KETONES/

Section 12. Ecological Information

RECENTLY IDENTIFIED COMPONENT OF COFFEE AROMA. /FROM TABLE/

ISOLATED FROM PROCESSED PORK LIVER WHEN PRESSURE COOKED @ 157 °C. /FROM TABLE/

INDUSTRIAL EXPOSURE TO COMMON KETONES IS MOST LIKELY TO BE THROUGH INHALATION OF VAPORS OR THROUGH CONTACT WITH LIQUIDS. SWALLOWING IS NOT LIKELY UNLESS THEY ARE STORED IN IMPROPERLY LABELED CONTAINERS. /KETONES/

Source: PubChem CID 10400 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 09:07:43.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.