1,2,4,5-Tetramethylbenzene supplier

Name
1,2,4,5-Tetramethylbenzene
EINECS 202-465-7
CAS No. 95-93-2
Article Data134
CAS DataBase
Density 0.868 g/cm³
Solubility insoluble in water
Melting Point 78 °C
Formula C₁₀ H₁₄
Boiling Point 192 °C at 760 mmHg
Molecular Weight 134.221
Flash Point 73.9 °C
Transport Information UN 1325 4.1/PG 2
Appearance white crystalline powder
Safety 16
Risk Codes 11
Molecular Structure
Hazard Symbols F
Synonyms p-Xylene,2,5-dimethyl- (7CI);Durene;Durol;NSC 6770;
PSA 0.00000
LogP 2.92020

1,2,4,5-Tetramethylbenzene Chemical Properties

Product Name: 1,2,4,5-Tetramethylbenzene (CAS NO.95-93-2)
IUPAC Name: 1,2,4,5-Tetramethylbenzene

Molecular Formula: C₁₀H₁₄
Molecular Weight: 134.22 g/mol
EINECS: 202-465-7
Melting Point: 78 °C
Density: 0.868 g/cm³
Flash Point: 73.9 °C
Boiling Point: 192 °C at 760 mmHg
Index of Refraction: 1.501
Molar Refractivity: 45.55 cm³
Molar Volume: 154.5 cm³
Surface Tension: 28.7 dyne/cm
Enthalpy of Vaporization: 41.07 kJ/mol
Vapour Pressure: 0.696 mmHg at 25°C
Product Categories: Highly Purified Reagents; Other Categories; Zone Refined Products

1,2,4,5-Tetramethylbenzene Uses

1,2,4,5-Tetramethylbenzene (CAS NO.95-93-2) is mainly used for preparation of pyromellitic dianhydride, also used in the production of polyimide resins, dyes, plasticizers, surface active agent.

1,2,4,5-Tetramethylbenzene Toxicity Data With Reference

1.		orl-rat LD50:6989 mg/kg		DCTODJ Drug and Chemical Toxicology. 1 (1978),219.
2.		ivn-mus LD50:180 mg/kg		CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#00212 .

1,2,4,5-Tetramethylbenzene Consensus Reports

Reported in EPA TSCA Inventory.

1,2,4,5-Tetramethylbenzene Safety Profile

Poison by intravenous route. Mildly toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information of 1,2,4,5-Tetramethylbenzene (CAS NO.95-93-2):
Hazard Codes:
F: Flammable
Risk Statements:
R11 Highly flammable.
Safety Statements:
S16 Keep away from sources of ignition - No smoking.
Attentions:
1. Storage: Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
2. Handling: Avoid ingestion and inhalation. Avoid contact with heat, sparks and flame. Avoid contact with eyes, skin, and clothing. Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Use spark-proof tools and explosion proof equipment. Keep container tightly closed. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Keep from contact with moist air and steam.

1,2,4,5-Tetramethylbenzene Specification

1,2,4,5-Tetramethylbenzene , its CAS NO. is CAS NO.95-93-2, the synonyms are 1,2,4,5-Tetramethyl-benzen ; 2,5-Dimethyl-p-xylen ; Benzene,1,2,4,5-Tetramethyl- ; I,i,4,5-Tetramcthylben~oiaG ; sym-Tetramethylbenzene ; 1,2,4,5-Tetramethylbenzene .

Product Name

1,2,4,5-Tetramethylbenzene