1,2,3-Trimethylbenzene

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CAS NO.: 526-73-8 Catalog: AO475
Formula: C9H12 Purity: 98.00% +
Molecular Weight: 120.19 Pubchem CID: 10686
InChI Key: FYGHSUNMUKGBRK-UHFFFAOYSA-N
Canonical SMILES: CC1=C(C(=CC=C1)C)C
Storage: Store in a cool, dry and well-ventilated area away from incompatible substances.
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Properties Information

Melting point:
-25 °C(lit.)
Boiling point:
175-176 °C(lit.)
Density 
0.894 g/mL at 25 °C(lit.)
vapor density 
4.15 (vs air)
vapor pressure 
3.4 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.513(lit.)
Flash point:
119 °F
solubility 
Soluble in acetone, alcohol, benzene, and ether (Weast, 1986)
form 
neat
pka
>14 (Schwarzenbach et al., 1993)
Odor Threshold
0.032ppm
Water Solubility 
65.51mg/L(25 ºC)
BRN 
1903410
Henry's Law Constant
3.18 at 25 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits
NIOSH REL: TWA 25 ppm (125 mg/m3); ACGIH TLV: TWA for mixed isomers 25 ppm (adopted).
Stability:
Stable. Flammable. Incompatible with strong oxidizing agents.

Safety Information

Symbol(GHS) 

GHS02,GHS07
Signal word 
Warning
Hazard statements 
H226-H315-H319-H335
Precautionary statements 
P261-P305+P351+P338
Hazard Codes 
Xi
Risk Statements 
10-37-36/37/38
Safety Statements 
16-26
RIDADR 
UN 3295 3/PG 3
WGK Germany 
3
RTECS 
DC3300000
Autoignition Temperature
878 °F
Hazard Class 
3.2
Packing Group 
III