74658

1,2,4,5-Tetramethylbenzene

suitable for qNMR, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

• Synonym(s): Durene, 1,2,4,5-Tetramethylbenzene
• Linear Formula: C₆H₂(CH₃)₄
• CAS Number: 95-93-2
• Molecular Weight: 134.22
• Beilstein: 1903393
• EC Number: 202-465-7
• MDL number: MFCD00008528
• UNSPSC Code: 41116107
• eCl@ss: 39011404
• PubChem Substance ID: 329765774
• NACRES: NA.24

Properties

• grade: certified reference material; TraceCERT^®
• Quality Level: 300
• vapor density: 4.6 (vs air)
• vapor pressure: 160 mmHg ( 140 °C)
• description: qNMR Standard for organic solvents (6.9 ppm / 2.2 ppm)
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• technique(s): gas chromatography (GC): suitable; qNMR: suitable (standard)
• mp: 76-80 °C (lit.)
• density: 0.838 g/mL at 25 °C (lit.)
• application(s): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care; pharmaceutical
• format: neat
• SMILES string: Cc1cc(C)c(C)cc1C
• InChI: 1S/C10H14/c1-7-5-9(3)10(4)6-8(7)2/h5-6H,1-4H3
• InChI key: SQNZJJAZBFDUTD-UHFFFAOYSA-N

Description

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Check out our entire range of quantitative NMR standards (qNMR standards)

Other Notes

Chemcial Shift: 2.3 + 7.0 ppm (chemical shifts may slightly vary depending on the experimental conditions)
Suitable NMR solvents: CDCl₃

Recommended products

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Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS09
• Signal Word: Danger
• Hazard Statements: H228,H410
• Precautionary Statements: P210 - P240 - P241 - P273 - P280 - P370 + P378
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 1
• Storage Class Code: 4.1B - Flammable solid hazardous materials
• WGK: WGK 1
• Flash Point(F): 165.2 °F - closed cup
• Flash Point(C): 74 °C - closed cup