| CAS No.: | 95-47-6 |
|---|---|
| Formula: | C8h10 |
| EINECS: | 202-422-2 |
| Type: | Agrochemical Intermediates |
| Appearance: | Liquid |
| Quality: | Industrial |
| Customization: |
|---|
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| Name | o-Xylene |
| Synonyms | XYLOL Xylene XYLENES o-Xylene 1,2-xylene ortho-xylene Dimethylbenzene AKOS BBS-00004266 1,2-Dimethylbenzene 1,2-DIMETHYLBENZENE O-XYLENE FOR SYNTHESIS 1,2-Xylene standard in Methanol |
| CAS | 95-47-6 |
| EINECS | 202-422-2 |
| InChI | InChI=1/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3 |
| InChIKey | CTQNGGLPUBDAKN-UHFFFAOYSA-N |
| Molecular Formula | C8H10 |
| Molar Mass | 106.17 |
| Density | 0.879 g/mL at 20 °C (lit.) |
| Melting Point | -26--23 °C (lit.) |
| Boling Point | 143-145 °C (lit.) |
| Flash Point | 90°F |
| Water Solubility | Sparingly soluble in water. (0.2g/L) |
| Solubility | water: partially soluble0.1705 g/L at 25°C |
| Vapor Presure | <0.1 atm ( 21.1 °C) |
| Vapor Density | 3.7 (vs air) |
| Appearance | Solid or Crystalline Powder |
| Color | Yellow to beige |
| Odor | Benzene-like; characteristic aromatic. |
| Exposure Limit | NIOSH REL: 100 ppm (435 mg/m3), STEL 150 ppm (655 mg/m3), IDLH 900ppm; OSHA PEL: TWA 100 ppm; ACGIH TLV: TWA 100 ppm, STEL 150 ppm (adopted). |
| Maximum wavelength(λmax) | ['λ: 288 nm Amax: 1.00', , 'λ: 300 nm Amax: 0.40', , 'λ: 325 nm Amax: 0.05', , 'λ: 35 |
| Merck | 14,10081 |
| BRN | 1815558 |
| pKa | >15 (Christensen et al., 1975) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with oxidizing agents. Flammable. Hygroscopic. |
| Explosive Limit | 1.0-7.6%(V) |
| Refractive Index | n20/D 1.505(lit.) |
| Physical and Chemical Properties | Characteristics of colorless transparent liquid, aromatic odor. melting point -25.2 ºC boiling point 144.4 ºC relative density 0.8802 refractive index 1.5055 flash point 34.4 ºC solubility, acetone and benzene miscible, insoluble in water. |
| Use | Used as raw materials for phthalic anhydride and other organic synthesis |
| Risk Codes | R10 - Flammable R20/21 - Harmful by inhalation and in contact with skin. R38 - Irritating to the skin R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
| Safety Description | S25 - Avoid contact with eyes. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | UN 1307 3/PG 3 |
| WGK Germany | 2 |
| RTECS | ZE2450000 |
| TSCA | Yes |
| HS Code | 29024100 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | Acute oral LD50 in rats is approximately 5 g/kg (quoted, RTECS, 1992). |
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