Xylenes
SIGALD/534056 - histological grade
Synonym: Xylene mixture of isomers
CAS Number: 1330-20-7
Empirical Formula (Hill Notation): C8H10
Molecular Weight: 106.17
MDL Number: MFCD00077264
Linear Formula: C6H4(CH3)2
Product Type: Chemical
| application(s) | histology |
| assay | ≥75.0% (xylenes isomers) |
| bp | 137-140 °C (lit.) |
| density | 0.86 g/mL at 25 °C (lit.) |
| evapn. residue | <0.002% |
| expl. lim. | 7 % |
| form | liquid |
| impurities | ≤0.05% (water) |
| ≤25% ethylbenzene | |
| InChI | 1S/3C8H10/c1-7-3-5-8(2)6- |
| InChI key | MVZVDAGWAAZJPE-UHFFFAOYSA |
| mp | -34 °C |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | Cc1ccc(C)cc1.Cc2cccc(C)c2 |
| storage temp. | room temp |
| vapor density | 3.7 (vs air) |
| vapor pressure | 18 mmHg ( 37.7 °C) |
| Application: | Xylenes (histological grade) can be used as a clearing agent in routine histology and cytology applications to remove paraffin from tissue section slides before staining. It can be used in: • Cresyl violet staining. • Fluoro-Jade B staining process. • Giemsa cell staining protocols. |
| General description: | Xylenes are an isomeric mixture of aromatic hydrocarbons namely, o-xylene, m-xylene, and p-xylene. It is used as a solvent in the pharmaceutical, printing, rubber, cleaning agent, paint thinner, varnish, synthetic fiber, and leather industries. |
| Packaging: | 18, 20 L in steel drum |
| Packaging: | 20 L in steel drum 500 mL in glass bottle 534056-4L , 4×4 L in glass bottle / 534056-4L-D in poly bottle |
| Packaging: | 4, 4×4 L in glass bottle |
| Packaging: | 500 mL in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H226 - H304 - H312 + H332 - H315 - H319 - H335 - H373 - H373 - H412 |
| Precautionary statements | P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331 |
| Hazard Codes | Xn |
| Risk Statements | 10-20/21-38-48/20-65 |
| Safety Statements | 36/37-60-62 |
| RIDADR | UN1307 - class 3 - PG 3 - Xylenes |
| WGK Germany | WGK 2 |
| Flash Point(F) | 77.0 °F - closed cup |
| Flash Point(C) | 25 °C - closed cup |
| Purity | ≥75.0% (xylenes isomers) |
| bp | 137-140 °C (lit.) |
| mp | -34 °C |
| Density | 0.86 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | room temp |
| UNSPSC | 12352002 |




