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45996

Supelco

1,2,4-Trimethylbenzene

analytical standard

Synonym(s):

Pseudocumene

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About This Item

Linear Formula:
C6H3(CH3)3
CAS Number:
95-63-6
Molecular Weight:
120.19
Beilstein:
1903005
EC Number:
202-436-9
MDL number:
MFCD00008527
UNSPSC Code:
41116107
eCl@ss:
39011403
PubChem Substance ID:
329757044
NACRES:
NA.24

grade

analytical standard

Quality Level

100

vapor density

4.1 (vs air)

vapor pressure

4.5 mmHg ( 37.7 °C)

autoignition temp.

959 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

6.4 %

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

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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Application

1,2,4-Trimethylbenzene may be used as an analytical reference standard for the quantification of the analyte in environmental samples[1] using gas chromatography coupled to mass spectrometry (GC-MS).[1]
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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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)

Lot/Batch Number
BCCG4534
BCCB7272
BCBR9662V

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