TRIMETHYLQUINONE Property

Melting point:

36 °C

Boiling point:

211.72°C (rough estimate)

Density 

0.9820 (rough estimate)

refractive index 

1.5470 (estimate)

storage temp. 

2-8°C

solubility 

soluble in Acetone

form 

powder to crystal

color 

Light yellow to Yellow to Orange

CAS DataBase Reference

935-92-2

EPA Substance Registry System

2,5-Cyclohexadiene-1,4-dione, 2,3,5-trimethyl- (935-92-2)

Safety

HS Code 

2914.69.9000

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H310Fatal in contact with skin

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H318Causes serious eye damage

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P262Do not get in eyes, on skin, or on clothing.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P302+P350IF ON SKIN: Gently wash with plenty of soap and water.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P322Specific measures (see …on this label).

P330Rinse mouth.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P361Remove/Take off immediately all contaminated clothing.

P363Wash contaminated clothing before reuse.

P391Collect spillage. Hazardous to the aquatic environment

P405Store locked up.

P501Dispose of contents/container to..…

TRIMETHYLQUINONE Chemical Properties,Usage,Production

Chemical Properties

Yellow crystal

Uses

Through a catalytic redox chain ring opening Trimethylquinone can be used to Synthesize Quinone-Containing Carboxylic Acids

Purification Methods

Distil the quinone in a vacuum or sublime it in vacuo before use. [Smith et al. J Am Chem Soc 60 318 1939, Beilstein 7 H 161, 7 III 3407, 7 IV 2098.]