Isophorone 78-59-1

- Mar 22, 2018 -

Uses: Used as a solvent, alkylation esterification and polymerization catalyst. 99% of the products are mainly used in medicine, and 70% of the products are mainly used in the electroplating industry. Nutritional drugs, together with a low-protein diet, prevent and treat damage caused by dysregulation of protein metabolism due to chronic renal insufficiency, core medications for chronic renal insufficiency and consumable malnutrition.

Isophorone, 78-59-1, Structural formula


CAS Number: 78-59-1

English name: Isophorone

English synonyms: Isoforon;Izoforon;FEMA 3553;ai3-00046;Isoforone;Isophoron;ISOPHORONE;NCI-C55618;caswellno506;isooctopherone

Chinese name: Isophorone

Synonyms in Chinese: isosterone; isophorone; isophorone; isophorone; isophorone; isophorone; isophorone; isophorone; isophorone, 97%; 1 ,13-trimethylcyclohexenone

CBNumber: CB7743348

Molecular Formula: C9H14O

Molecular Weight: 138.21

MOL File: 78-59-1.mol

Isophorone Chemical Properties

Melting point : −8 °C (lit.)

Boiling point : 213-214 °C (lit.)

Density : 0.923 g/mL at 25 °C (lit.)

Vapor density: 4.77 (vs air)

Vapor pressure: 0.2 mm Hg ( 20 °C)

Refractive index : n20/D 1.476(lit.)


Flash point : 184 °F

Storage conditions : 2-8°C

Solubility : 14.5g/l

Form: Liquid

Color: Clear colorless to yellow

Explosive limit: 0.8-3.8% (V)

Water Solubility : Soluble in water (12g/L).

Merck : 14,5196

BRN : 1280721

Stability: Stable. Substances to be avoided include strong bases, strong acids and strong oxidizing agents.

CAS Database: 78-59-1 (CAS DataBase Reference)

NIST Chemical Substance Information: 2-Cyclohexen-1-one, 3,5,5-trimethyl-(78-59-1)

EPA Chemical Information: 2-Cyclohexen-1-one, 3,5,5-trimethyl-(78-59-1)

Security Information

Dangerous Goods Logo : Xn

Hazard Category Code : 21/22-36/37-40

Safety instructions : 13-23-36/37/39-46

Dangerous goods transportation number : UN 3082 9 / PGIII

WGK Germany : 1

RTECS number: GW7700000

TSCA : Yes

Poisonous Substances Data: 78-59-1 (Hazardous Substances Data)

Isophorone MSDS


Isophorone Properties, uses and production processes

Maximum allowable amount of food additives Maximum allowable residue standard

Additive Chinese name Foods that are allowed to use this additive Chinese name Additive function Maximum allowable use (g/kg) Maximum allowable residue (g/kg)

Isophorone foods Food flavorings Perfume ingredients used in the preparation of fragrances must not exceed the maximum allowable and maximum permissible residuals in GB 2760

Chemical properties

Colorless, low volatility liquid. Freezing point -8.1°C, boiling point 214-215°C, 89°C (1.33 kPa), relative density (20.5/4°C) 0.9255, refractive index (nD18) 1.4766. It is miscible with most organic solvents and can dissolve 1.2g in 100g water. Exposure to dimerization, oxidation in the air to produce 4,4,6-trimethyl-1,2-cyclohexanedione. There is a camphor-like smell.


This product is a high boiling point solvent. Mainly used in pesticides, coatings and can coatings.


It is an excellent solvent for greases, gums, resins, etc. It is especially suitable for vinyl resins.


Organic solvents.

production method 

It is derived from the polymerization of 3 molecules of acetone.


Flammable liquids

Toxicity classification


Acute toxicity

Oral - Rat LD50: 1870 mg/kg; Oral - Mice LD50: 2690 mg/kg

Stimulus data

Skin - Rabbit 100 mg/24 hours Mild; Eyes - Rabbit 100 mg/24 hours Moderate

Explosive hazard characteristics

Mixed with air to form an explosive mixture

Flammability hazard characteristics

Flammable; the fire field releases spicy smoke

Storage and transportation characteristics

Warehouse ventilation and low temperature drying; Storage and transportation separately from oxidants

Extinguishing agent

Dry powder, carbon dioxide; 1211; foam

Professional standards

TLV-TWA 28 mg/m3; STEL 56 mg/m3

Isophorone upstream and downstream product information

Upstream raw materials


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