74658

1,2,4,5-Tetramethylbenzene

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

• Synonim(y): Durene, 1,2,4,5-Tetramethylbenzene
• Wzór liniowy: C₆H₂(CH₃)₄
• Numer CAS: 95-93-2
• Masa cząsteczkowa: 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

Właściwości

• 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

Opis

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)

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.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

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Other Notes

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

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Informacja o środkach bezpieczeństwa

• 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
• Klasa składowania: 4.1B - Flammable solid hazardous materials
• wgk: WGK 1
• flash_point_f: 165.2 °F - closed cup
• flash_point_c: 74 °C - closed cup