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1,2,4-Trimethylbenzene

analytical standard

Synonym(s):

Pseudocumene

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About This Item

Linear Formula:
C6H3(CH3)3
CAS Number:
Molecular Weight:
120.19
Beilstein:
1903005
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:

grade

analytical standard

vapor density

4.1 (vs air)

vapor pressure

4.5 mmHg ( 37.7 °C)

CofA

current certificate can be downloaded

autoignition temp.

959 °F

expl. lim.

6.4 %

packaging

ampule of 1000 mg

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.504 (lit.)

bp

168 °C (lit.)

mp

−44 °C (lit.)

density

0.876 g/mL at 20 °C (lit.)

application(s)

environmental

format

neat

storage temp.

2-30°C

SMILES string

Cc1ccc(C)c(C)c1

InChI

1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3

InChI key

GWHJZXXIDMPWGX-UHFFFAOYSA-N

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General description

Sigma-Aldrich offers 1,2,4-trimethylbenzene for a variety of applications that include, but are not limited to, environmental, food and beverage, forensics, petrochemical and pharmaceutical analyses. Purity of the chemical is about 99% unless otherwise stated.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

118.4 °F - closed cup

Flash Point(C)

48.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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