95-87-4
Product Name:
2,5-Dimethylphenol
Formula:
C8H10O
Synonyms:
p-Xylenol;2,5-Dimethylphenol;2,5-DMP, p-Xylenol;2-Hydroxy-p-xylene
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 2,5-dimethylphenol is a colorless to off-white crystalline solid. Odor threshold concentration 0.4 mg/L. Taste threshold concentration 0.5 mg/L. (NTP, 1992) |
|---|---|
| Color/Form | Crystals from alcohol plus ether |
| Taste | 0.5 mg/l (taste threshold concn) |
| Boiling Point | 414 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 160 to 163 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Density | 0.971 (NTP, 1992) - Less dense than water; will float |
| Vapor Pressure | 1 mmHg at 125.2 °F ; 5 mmHg at 172.4 °F; 10 mmHg at 196.3 °F (NTP, 1992) |
| LogP | log Kow= 2.33 |
| Decomposition | When heated to decomp, it emits acrid smoke and irritating fumes. |
| Viscosity | 1.55 mN.s.m-2 at 80 °C |
| Heat of Vaporization | 13,130.2 g cal/g mole |
| Odor Threshold | 2.0-2.3 mg/cu m (recognition in air) |
| Refractive Index | Index of refraction: 1.5092 @ 80 °C |
| Dissociation Constants | pKa= 10.41 at 25 °C |
| Kovats Retention Index | 1124.8 1125 1126 1126 1127 1095 1095 1130 1132 1140 1161 1127 1125 1126 1127 1122 1125 1125 |
| Other Experimental Properties | Heat of fusion: 23.38 kJ/mole @ 74.8 °C |
| Chemical Classes | Other Classes -> Phenols |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 122.16 g/mol |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 122.073164938 g/mol |
| Monoisotopic Mass | 122.073164938 g/mol |
| Topological Polar Surface Area | 20.2 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 90.6 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
2,5-dimethylphenol is a colorless to off-white crystalline solid. Odor threshold concentration 0.4 mg/L. Taste threshold concentration 0.5 mg/L. (NTP, 1992)