A8435612
o-Xylene , CP , 95-47-6
Synonym(s):
o-Xylene;1,2-Dimethylbenzene;Dimethylbenzenes, Dimethylbenzene;Xylene mixture of isomers
CAS NO.：95-47-6
Empirical Formula: C8H10
Molecular Weight: 106.17
MDL number: MFCD00008519
EINECS: 202-422-2
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -26--23 °C (lit.) |
| Boiling point: | 143-145 °C (lit.) |
| Density | 0.879 g/mL at 20 °C (lit.) |
| vapor density | 3.7 (vs air) |
| vapor pressure | <0.1 atm ( 21.1 °C) |
| refractive index | n |
| Flash point: | 90 °F |
| storage temp. | Store below +30°C. |
| solubility | water: partially soluble0.1705 g/L at 25°C |
| pka | >15 (Christensen et al., 1975) |
| form | Solid or Crystalline Powder |
| color | Yellow to beige |
| Odor | Benzene-like; characteristic aromatic. |
| Odor Threshold | 0.38ppm |
| explosive limit | 1.0-7.6%(V) |
| Water Solubility | Sparingly soluble in water. (0.2g/L) |
| Thermal Conductivity | 0.1299 W/(m·K) at 25 ℃ |
| λmax | λ: 288 nm Amax: 1.00 λ: 300 nm Amax: 0.40 λ: 325 nm Amax: 0.05 λ: 350-400 nm Amax: 0.01 |
| Merck | 14,10081 |
| BRN | 1815558 |
| Henry's Law Constant | 14.0 at 45.00 °C, 16.4 at 50.00 °C, 19.0 at 55.00 °C, 21.3 at 60.00 °C, 26.3 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 | 2.5699999999999998 |
| Stability: | Stable. Incompatible with oxidizing agents. Flammable. Hygroscopic. |
| Cosmetics Ingredients Functions | SOLVENT FRAGRANCE PERFUMING |
| InChI | 1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3 |
| InChIKey | CTQNGGLPUBDAKN-UHFFFAOYSA-N |
| SMILES | Cc1ccccc1C |
| LogP | 3.16 at 20℃ |
| Surface tension | 29.86mN/m at 298.15K |
| CAS DataBase Reference | 95-47-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,2-dimethyl-(95-47-6) |
| EPA Substance Registry System | o-Xylene (95-47-6) |
| ECETOC JACC REPORT | o-Xylene (95-47-6) |
Description and Uses
Preparation of phthalic acid, phthalic anhydride, terephthalic acid, isophthalic acid; solvent for alkyd resins, lacquers, enamels, rubber cements; manufacture of dyes, pharmaceuticals, and insecticides; motor fuels.
Safety
| Symbol(GHS) |     GHS02,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H303-H315-H319-H361-H336-H304-H401-H410-H226 |
| Precautionary statements | P501-P261-P273-P202-P240-P210-P233-P201-P243-P241-P242-P271-P264-P280-P370+P378-P312-P391-P331-P337+P313-P305+P351+P338-P362+P364-P303+P361+P353-P332+P313-P301+P310-P304+P340+P312-P403+P233-P403+P235-P405 |
| target organs | Respiratory system |
| Hazard Codes | Xn,T,F |
| Risk Statements | 10-20/21-38-39/23/24/25-23/24/25-11 |
| 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 | ZE2450000 |
| Autoignition Temperature | 867 °F |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29024100 |
| 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 | 95-47-6(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 in rats is approximately 5 g/kg (quoted, RTECS, 1992). |
| IDLA | 900 ppm |
| REACH Registrations | Active |
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
