74658

1,2,4,5-Tetramethyl-benzol

TraceCERT^®, certified reference material, 1H-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

• Synonym(e): Durol, 1,2,4,5-Tetramethylbenzol
• Lineare Formel: C₆H₂(CH₃)₄
• CAS-Nummer: 95-93-2
• Molekulargewicht: 134.22
• NACRES: NA.24
• PubChem Substance ID: 329765774
• eCl@ss: 39011404
• UNSPSC Code: 41116107
• EC Number: 202-465-7
• MDL number: MFCD00008528
• Beilstein/REAXYS Number: 1903393

Eigenschaften

• Quality Segment: 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)
• grade: certified reference material, TraceCERT^®
• 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
• 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

Beschreibung

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.

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This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.

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Other Notes

Chemische Verschiebung: 2.3 + 7.0 ppm (chemische Verschiebungen können in Abhängigkeit von den experimentellen Bedingungen leicht variieren)
Geeignetes NMR-Lösungsmittel: CDCl₃

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

Legal Information

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

Sicherheitshinweise

• pictograms: GHS02,GHS09
• signalword: Danger
• hcodes: H228,H410
• pcodes: P210 - P240 - P241 - P273 - P280 - P370 + P378
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 1
• Lagerklasse: 4.1B - Flammable solid hazardous materials
• wgk: WGK 1
• flash_point_f: 165.2 °F - closed cup
• flash_point_c: 74 °C - closed cup