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45996

Supelco

1,2,4-Trimethylbenzol

analytical standard

Synonym(e):

Pseudocumol

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About This Item

Lineare Formel:
C6H3(CH3)3
CAS-Nummer:
95-63-6
Molekulargewicht:
120.19
Beilstein:
1903005
EG-Nummer:
202-436-9
MDL-Nummer:
MFCD00008527
UNSPSC-Code:
41116107
eCl@ss:
39011403
PubChem Substanz-ID:
329757044
NACRES:
NA.24

Qualität

analytical standard

Qualitätsniveau

100

Dampfdichte

4.1 (vs air)

Dampfdruck

4.5 mmHg ( 37.7 °C)

Selbstzündungstemp.

959 °F

Haltbarkeit

limited shelf life, expiry date on the label

Expl.-Gr.

6.4 %

Methode(n)

HPLC: suitable
gas chromatography (GC): suitable

Brechungsindex

n20/D 1.504 (lit.)

bp

168 °C (lit.)

mp (Schmelzpunkt)

−44 °C (lit.)

Dichte

0.876 g/mL at 20 °C (lit.)

Anwendung(en)

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

InChIKey

GWHJZXXIDMPWGX-UHFFFAOYSA-N

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Anwendung

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

Empfohlene Produkte

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 2

Flammpunkt (°F)

118.4 °F - closed cup

Flammpunkt (°C)

48.0 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Analysenzertifikate (COA)

Lot/Batch Number
BCCG4534
BCCB7272
BCBR9662V
SZBD221XV
SZB8210XV

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TrAC, Trends in Analytical Chemistry, 21(8), 534-543 (2002)
Fei Li et al.
Indian journal of dermatology, 65(2), 92-96 (2020-03-18)
Common indoor pollutants, as fine particulate matter (PM2.5), can damage people's health and cause skin allergies. However, it remains unknown which common pollutants can lead to allergy, such as, in children atopic dermatitis, and what is the key molecule. This
Z Korsak et al.
International journal of occupational medicine and environmental health, 13(2), 155-164 (2000-09-01)
Toxic effects of exposure of 1,2,4-trimethylbenzene (pseudocumene) in the condition of sub-chronic inhalation experiment were examined. Rats were exposed to vapours of pseudocumene at concentrations of 123 mg/m3, 492 mg/m3 and 1230 mg/m3, 6 h/day, 5 days/week for 3 months.
Richard H McKee et al.
International journal of toxicology, 29(3), 277-290 (2010-05-08)
This article reports the results of neurobehavioral tests on representative aromatic constituents, specifically C(9) to C(11) species. The testing evaluated effects in several domains including clinical effects, motor activity, functional observations, and visual discrimination performance. Exposures ranging from 600 to
Z Zheng et al.
Applied microbiology and biotechnology, 57(4), 572-578 (2002-01-05)
Laboratory batch experiments were performed with contaminated aquifer sediments and four soluble aromatic components of jet fuel to assess their biodegradation under anaerobic conditions. The biodegradation of four aromatic compounds, toluene, o-xylene, 1,2,4-trimethylbenzene (TMB), and naphthalene, separately or together, was
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