Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Cycloheximide

Cycloheximide is plates from amyl acetate, water or 30% methanol.

CAS 66-81-9 Danger

01 · Identification

What Cycloheximide is

Cycloheximide is plates from amyl acetate, water or 30% methanol. It melts at 25 °C.

Under the GHS it carries the signal word Danger. It is classed as teratogens.

CAS number66-81-9
EC number200-636-0
Index number613-140-00-8
Chemical class Teratogens

Other names for Cycloheximide

  • cycloheximide (ISO)
  • 4-{}{(2R)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-2-hydroxyethyl}}piperidine-2,6-dione

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to Cycloheximide
CodeHazard statement
H341 Suspected of causing genetic defects <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H360D May damage the unborn child.
H300 Fatal if swallowed.
H411 Toxic to aquatic life with long lasting effects.

Precautionary statements: P201, P270, P273, P280, P301, P308, P310, P313, P330, P391, P501

03 · Physical and chemical properties

Cycloheximide properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Melting point 25 °C (77 °F) Cycloheximide acetate HSDB
120.25 °C (248.5 °F) range, midpoint shown HSDB
120.28 °C (248.5 °F) range, midpoint shown CAMEO
Solubility INSOL IN PETROLEUM ETHER HSDB
Isopropyl alcohol 5.5 g/100 ml; acetone 33.0 g/100 ml; cyclohexanone 19.0 g/100 ml (@ 20 °C) at 20 °C HSDB
In water, 2.1X10-4 mg/l @ 25 °C at 25 °C HSDB
Vapor pressure 0.006 mmHg at 25 °C DOE PAC
Corrosivity NONCORROSIVE HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling Cycloheximide

Reactivity

CYCLOHEXIMIDE is an imide. This chemical is incompatible with strong oxidizing agents, acid chlorides and acid anhydrides. It decomposes rapidly in alkali at room temperature. (NTP, 1992)

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check Cycloheximide in the storage compatibility matrix →

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