m-Xylene
SIAL/296325 - anhydrous, ≥99%
Synonym: 1,3-Dimethylbenzene
CAS Number: 108-38-3
Empirical Formula (Hill Notation): C8H10
Molecular Weight: 106.17
EC Number: 203-576-3
MDL Number: MFCD00008536
Linear Formula: C6H4(CH3)2
Product Type: Chemical
| assay | ≥99% |
| autoignition temp. | 982 °F |
| bp | 138-139 °C (lit.) |
| density | 0.868 g/mL at 25 °C (lit.) |
| evapn. residue | <0.0003% |
| expl. lim. | 7 % |
| form | liquid |
| grade | anhydrous |
| impurities | <0.002% water |
| <0.005% water (100 mL pkg) | |
| InChI | 1S/C8H10/c1-7-4-3-5-8(2)6 |
| InChI key | IVSZLXZYQVIEFR-UHFFFAOYSA |
| mp | −48 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | Cc1cccc(C)c1 |
| vapor density | 3.7 (vs air) |
| vapor pressure | 16 mmHg ( 37.7 °C) |
| Application: | m-Xylene may be used in the synthesis of 2,4-dimethylbenzophenone via Friedel–Craft acylation with benzoyl chloride over iron-modified tungstophosphoric acid supported on titania. It may also undergo chloromethylation in the presence of organic acids under organic-aqueous biphasic conditions to form a mixture of chloromethyl-2,4-dimethyl |
| Packaging: | 1, 2, 4×2 L in Sure/Seal™ |
| Packaging: | 100 mL in Sure/Seal™ |
| Symbol | ![]() ![]() GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H226 - H304 - H312 + H332 - H315 - H319 - H335 - H412 |
| Precautionary statements | P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331 |
| Hazard Codes | Xn |
| Risk Statements | 10-20/21-38 |
| Safety Statements | 25 |
| RIDADR | UN1307 - class 3 - PG 3 - Xylenes |
| WGK Germany | WGK 2 |
| Flash Point(F) | 80.6 °F - closed cup |
| Flash Point(C) | 27 °C - closed cup |
| Purity | ≥99% |
| bp | 138-139 °C (lit.) |
| mp | −48 °C (lit.) |
| Density | 0.868 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352002 |




