Solvents - Oxygenated Available to Source

Diacetone Alcohol

CAS 123-42-2 · MF C6H12O2 · MW 116.16 g/mol · UN 1148 (DIACETONE ALCOHOL)

Solvent with low volatility used in coatings and cleaning formulations.

SDS / TDS Download
CAS Number
123-42-2
Molecular Formula
C6H12O2
Molecular Weight
116.16 g/mol
Material Family
Solvents - Oxygenated
Functional Roles
Physical Properties
melting_point
-45 u00b0F (USCG, 1999)
boiling_point
328 u00b0F at 760 mmHg (USCG, 1999)
density
0.938 at 68 u00b0F (USCG, 1999) - Less dense than water; will float
solubility
Miscible (NIOSH, 2024)
vapor_pressure
3.62 mmHg (USCG, 1999)
flash_point
125 u00b0F (USCG, 1999)
GHS / SDS Safety Warning
Irritant Health Hazard Flammable
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
  • H226 (32.3%): Flammable liquid and vapor [Warning Flammable liquids]
  • H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
  • H303: May be harmful if swallowed [Warning Acute toxicity, oral]
  • H227: Combustible liquid [Warning Flammable liquids]
  • H361d (16.5%): Suspected of damaging the unborn child [Warning Reproductive toxicity]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (31.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H319 (99.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
CAS Number123-42-2
IUPAC Name4-hydroxy-4-methylpentan-2-one
InChI KeySWXVUIWOUIDPGS-UHFFFAOYSA-N
PubChem CID 31256
INCI NameDIACETONE ALCOHOL
Synonyms & Trade Names
Diacetone alcohol 4-HYDROXY-4-METHYL-2-PENTANONE 4-Hydroxy-4-methylpentan-2-one Diacetonalkohol Diketone alcohol Diacetonalcohol Tyranton Acetonyldimethylcarbinol Pyranton A Diacetone Pyranton 2-Pentanone, 4-hydroxy-4-methyl- Diacetone-alcool Diacetonalcool 2-Methyl-2-pentanol-4-one
Full Description

Solvent with low volatility used in coatings and cleaning formulations.