1,2,4,5-Tetramethylbenzene
SIAL/74658 - Standard for quantitative NMR, TraceCERT®
Synonym: Durene; 1,2,4,5-
CAS Number: 95-93-2
Empirical Formula (Hill Notation): C10H14
Molecular Weight: 134.22
EC Number: 202-465-7
MDL Number: MFCD00008528
Linear Formula: C6H2(CH3)4
Product Type: Chemical
application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages personal care |
density | 0.838 g/mL at 25 °C (lit.) |
description | qNMR Standard for organic solvents (6.9 ppm / 2.2 ppm) |
format | neat |
grade | TraceCERT® |
certified reference material | |
Standard for quantitative NMR | |
InChI | 1S/C10H14/c1-7-5-9(3)10(4 |
InChI key | SQNZJJAZBFDUTD-UHFFFAOYSA |
mp | 76-80 °C (lit.) |
Quality Level | 300 ![]() |
shelf life | limited shelf life, expiry date on the label |
SMILES string | Cc1cc(C)c(C)cc1C |
technique(s) | gas chromatography (GC): suitable |
qNMR: suitable | |
vapor density | 4.6 (vs air) |
vapor pressure | 160 mmHg ( 140 °C) |
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. |
Legal Information: | TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC |
Other Notes: | Chemcial Shift: 2.3 + 7.0 ppm (chemical shifts may slightly vary depending on the experimental conditions) Suitable NMR solvents: CDCl3 |
Symbol | ![]() ![]() |
Signal word | Danger |
Hazard statements | H228 - H410 |
Precautionary statements | P210 - P240 - P241 - P273 - P280 - P370 + P378 |
Hazard Codes | F |
Risk Statements | 11-53 |
RIDADR | UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., H |
WGK Germany | WGK 1 |
Flash Point(F) | 165.2 °F |
Flash Point(C) | 74 °C |
mp | 76-80 °C (lit.) |
Density | 0.838 g/mL at 25 °C (lit.) |
UNSPSC | 41116107 |