1,2,3,5-Tetramethylbenzene

0.891 at 68 °F (USCG, 1999) - Less dense than water; will float

0.896 @25 °C

388.4 °F at 760 mmHg (USCG, 1999)

197 °C @760 [mm Hg]

1,2,3,5-tetramethylbenzene appears as a pale yellow to white liquid with a camphor-like odor. Flash point 165 °F. Less dense than water and only negligibly soluble in water. Slightly irritates the skin and eyes. Slightly toxic by ingestion but may irritate the mouth, throat and gastrointestinal tract.

This chemical does not meet GHS hazard criteria for 2.5% (3 of 121) of reports.

Warning

H315 (23.1%): Causes skin irritation [Warning Skin corrosion/irritation]

P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)

Aggregated GHS information provided per 121 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Benzene, 1,2,3,5-tetramethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzene, 1,2,3,5-tetramethyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Benzene, 1,2,3,5-tetramethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

CALL FOR MEDICAL AID. LIQUID: Irritating to skin, eyes, and respiratory tract. Remove contaminated clothing and shoes. Flush affected areas with plenty of water. IF IN EYES, hold eyelids open and flush with plenty of water. VAPORS: Irritating to skin, eyes and respiratory tract. Move to fresh air. If breathing has stopped, give artificial respiration. If breathing is difficult, give oxygen. IF IN EYES, hold eyelids open and flush with plenty of water. Harmful if inhaled or swallowed. Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract. Prolonged contact can cause dermititis, and prolonged exposure can cause nausea, dizziness and headache. (USCG, 1999)

Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)

Benzene, 1,2,3,5-tetramethyl-: ACTIVE