74658
1,2,4,5-Tetramethylbenzene
TraceCERT®, certified reference material, 1H-qNMR Standard
동의어(들):
Durene, 1,2,4,5-Tetramethylbenzene
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
C6H2(CH3)4
CAS 번호:
Molecular Weight:
134.22
Beilstein/REAXYS Number:
1903393
NACRES:
NA.24
PubChem Substance ID:
eCl@ss:
39011404
UNSPSC Code:
41116107
EC Number:
202-465-7
MDL number:
Quality Segment
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
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)
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.
Search & download your certificate here.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Search & download your certificate here.
Other Notes
Chemcial Shift: 2.3 + 7.0 ppm (chemical shifts may slightly vary depending on the experimental conditions)
Suitable NMR solvents: CDCl3
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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signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 1
저장 등급
4.1B - Flammable solid hazardous materials
wgk
WGK 1
flash_point_f
165.2 °F - closed cup
flash_point_c
74 °C - closed cup