Product Description of m-Xylene CAS#108-38-3
m-Xylene is a high-quality aromatic hydrocarbon liquid with outstanding solubility and stable chemical inertness. Compared with other xylene isomers, it has better reaction selectivity and higher synthesis activity for fine chemical production. With low impurity content and stable physical properties, it provides consistent performance for high-end chemical formulation and deep processing.
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Chemical Properties of m-Xylene CAS#108-38-3
| Melting point | -48 °C (lit.) |
| Boiling point | 138-139 °C (lit.) |
| density | 0.868 g/mL at 25 °C (lit.) |
| vapor density | 3.7 (vs air) |
| vapor pressure | 16 mm Hg ( 37.7 °C) |
| refractive index | n20/D 1.497(lit.) |
| Fp | 77 °F |
| storage temp. | 2-8°C |
| solubility | Miscible with many organic solvents, including alcohol and ether |
| form | Liquid |
| pka | >15 (Christensen et al., 1975) |
| color | Colorless |
| Odor | Like benzene; characteristic aromatic. |
| Odor Threshold | 0.041ppm |
| explosive limit | 1.1-7%(V) |
| Water Solubility | Miscible with organic solvents. Immiscible with water. |
| Thermal Conductivity | 0.1244 W/(m·K) at 25 ℃ |
| Specific Heat Capacity | Cp(liquid): 1.72 J/(g·K), at 25℃ |
| Merck | 14,10081 |
| BRN | 605441 |
| Henry's Law Constant | 14.80 at 45.00 °C, 17.26.4 at 50.00 °C, 19.90 at 55.00 °C, 23.01.3 at 60.00 °C, 27.46.3 at 70.00 °C (static headspace-GC, Park et al., 2004) |
| Exposure limits | ACGIH TLV-TWA:20 ppm;TLV-STEL:150 ppm (adopted) OSHA PEL-TWA:100 ppm NIOSH REL-TWA:100 ppm (435 mg/m3);REL-STEL:150 ppm (655 mg/m3);IDLH:900 ppm |
| Dielectric constant | 2.3999999999999999 |
| Cosmetics Ingredients Functions | FRAGRANCE PERFUMING SOLVENT |
| InChI | 1S/C8H10/c1-7-4-3-5-8(2)6-7/h3-6H,1-2H3 |
| InChIKey | IVSZLXZYQVIEFR-UHFFFAOYSA-N |
| SMILES | Cc1cccc(C)c1 |
| LogP | 3.16 at 20℃ |
| Surface tension | 28.47mN/m at 298.15K |
| CAS DataBase Reference | 108-38-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,3-dimethyl-(108-38-3) |
| EPA Substance Registry System | m-Xylene (108-38-3) |
| ECETOC JACC REPORT | m-Xylene (108-38-3) |
Safety Information of m-Xylene CAS#108-38-3
| Hazard Codes | Xn,T,F |
| Risk Statements | 10-20/21-38-39/23/24/25-23/24/25-11-36/38 |
| Safety Statements | 25-45-36/37-16-7 |
| RIDADR | UN 1307 3/PG 3 |
| OEB | A |
| OEL | TWA: 100 ppm (435 mg/m3), STEL: 150 ppm (655 mg/m3) |
| WGK Germany | 2 |
| RTECS | ZE2275000 |
| Autoignition Temperature | 982 °F |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29024200 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 4 Dermal Acute Tox. 4 Inhalation Aquatic Chronic 3 Asp. Tox. 1 Eye Irrit. 2 Flam. Liq. 3 Skin Irrit. 2 STOT SE 3 |
| Hazardous Substances Data | 108-38-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 7.71 ml/kg (Smyth) |
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Product Application of m-Xylene CAS#108-38-3
m-Xylene is primarily used for the synthesis of isophthalic acid, which is widely used in high-performance polyester resins, PET modified materials, coatings and adhesives. It is also extensively applied as a high-grade solvent for industrial paints, printing inks, rubber, pharmaceuticals, pesticide intermediates and fine chemical industries
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