1,2,4-Trimethylbenzene CAS#95-63-6

CAS Number: 95-63-6
Chemical Formula: C9H12
Synonyms:

PSEUDOCUMOL
TRIMETHYLBENZENE
1,2,4-trimethyl-benzen

Appearance: Transperant Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

1,2,4-Trimethylbenzene CAS#95-63-6

1,2,4-Trimethylbenzene (mesitylene) is an aromatic hydrocarbon compound commonly present in commercial solvents encompassing their boiling range. Mesitylene are the most common isomer used in commercial applications. Aromatic hydrocarbons in hydrocarbon solvents are predominantly alkylated one ring structures as well as two aromatic ring structures which may also be alkylated.

1,2,4-Trimethylbenzene Chemical Properties

Melting point	-44 °C
Boiling point	168 °C(lit.)
density	0.876 g/mL at 20 °C(lit.)
vapor density	4.1 (vs air)
vapor pressure	4.5 mm Hg ( 37.7 °C)
refractive index	n20/D 1.504(lit.)
Fp	120 °F
storage temp.	Store below +30°C.
solubility	0.057g/l
form	Liquid
pka	>14 (Schwarzenbach et al., 1993)
color	Clear colorless
Odor	char. aromatic odor
Odor Threshold	0.12ppm
explosive limit	0.8-7%(V)
Water Solubility	Soluble in alcohol, benzene and ether. Slightly soluble in water
Merck	14,7915
BRN	1903005
Henry's Law Constant	6.946, 11.202, and 15.702 at 27.0, 35.0, and 45.0 °C, respectively (dynamic headspace, Hansen et al., 1995)
Exposure limits	NIOSH REL: TWA 25 ppm (125 mg/m3); ACGIH TLV: TWA for mixed isomers 25 ppm (adopted).
Dielectric constant	2.4（16℃）
Stability:	Stable. Incompatible with strong oxidizing agents. Flammable. May form explosive mixtures with air.
Cosmetics Ingredients Functions	SOLVENT
InChI	1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
InChIKey	GWHJZXXIDMPWGX-UHFFFAOYSA-N
SMILES	Cc1ccc(C)c(C)c1
LogP	3.630
Surface tension	29.3mN/m at 298.15K
CAS DataBase Reference	95-63-6(CAS DataBase Reference)
EPA Substance Registry System	1,2,4-Trimethylbenzene (95-63-6)

Safety Information

Hazard Codes	Xn,N,F,Xi,T
Risk Statements	10-20-36/37/38-51/53-39/23/24/25-23/24/25-11-65
Safety Statements	26-61-45-36/37-16-7-62
RIDADR	UN 3295 3/PG 3
OEB	A
OEL	TWA: 25 ppm (125 mg/m3)
WGK Germany	2
RTECS	DC3325000
Autoignition Temperature	959 °F
Hazard Note	Irritant/Flammable
TSCA	TSCA listed
HazardClass	3
PackingGroup	III
HS Code	29029090
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 4 Inhalation Aquatic Chronic 2 Asp. Tox. 1 Eye Irrit. 2 Flam. Liq. 3 Skin Irrit. 2 STOT SE 3
Hazardous Substances Data	95-63-6(Hazardous Substances Data)
Toxicity	LD50 i.p. in male, female mice (mg/kg): 5000, 4100 (Janik-Spiechowicz)