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1,2,3,4-Tetramethylbenzene

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Name

1,2,3,4-Tetramethylbenzene

EINECS 207-673-1
CAS No. 488-23-3 Density 0.838 g/mL at 25 °C(lit.)
Solubility Melting Point 76-80 °C(lit.)
Formula C10H14 Boiling Point 204 °C at 760 mmHg
Molecular Weight 134.24 Flash Point 69.7 °C
Transport Information UN 1325 4 Appearance
Safety S26-S37 Risk Codes R11
Molecular Structure Molecular Structure of 488-23-3 (1,2,3,4-Tetramethylbenzene) Hazard Symbols FlammableF
Synonyms

1,2,3,4-Tetramethylbenzene;NSC 93932; Prehnitene; Prehnitol

 

1,2,3,4-Tetramethylbenzene Chemical Properties

Molecular Formula of 1,2,3,4-Tetramethylbenzene (CAS NO.488-23-3): C10H14
Molecular Weight: 134.22 g/mol
EINECS: 202-465-7
Flashing point: 69.7 °C
Index of Refraction: 1.5190
Density: 0.838 g/mL at 25 °C(lit.)
Boiling Point: 0.838 g/mL at 25 °C(lit.)
Melting point: 76-80 °C(lit.)
Structure of 1,2,3,4-Tetramethylbenzene (CAS NO.488-23-3):
                   
IUPAC Name: 1,2,3,4-Tetramethylbenzene

1,2,3,4-Tetramethylbenzene Toxicity Data With Reference

1.    

skn-rbt 100 mg/24H MLD

    DCTODJ    Drug and Chemical Toxicology. 1 (1978),219.
2.    

orl-rat LD50:6408 mg/kg

    DCTODJ    Drug and Chemical Toxicology. 1 (1978),219.

1,2,3,4-Tetramethylbenzene Consensus Reports

Reported in EPA TSCA Inventory.

1,2,3,4-Tetramethylbenzene Safety Profile

Mildly toxic by ingestion. A skin irritant. A flammable material. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes of 1,2,3,4-Tetramethylbenzene (CAS NO.488-23-3): F
Risk Statements:  
R11:Highly flammable.
Safety Statements:  
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.  
S37:Wear suitable gloves. 
RIDADR  UN 1325 4.1/PG 2
WGK Germany  1
RTECS  DC0500000

1,2,3,4-Tetramethylbenzene Specification

 1,2,3,4-Tetramethylbenzene , its cas register number is 488-23-3. It also can be called Prehnitene ; and Benzene, 1,2,3,4-tetramethyl- .

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