A4984912
4-lsopropyltoluene , standardforGC,≥99.5%(GC) , 99-87-6
Synonym(s):
p-Cymene;1-Isopropyl-4-methylbenzene;4-Isopropyltoluene;p-Isopropyltoluene
CAS NO.：99-87-6
Empirical Formula: C10H14
Molecular Weight: 134.22
MDL number: MFCD00008893
EINECS: 202-796-7
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -68 °C |
| Boiling point: | 176-178 °C(lit.) |
| Density | 0.86 g/mL at 25 °C(lit.) |
| vapor density | 4.62 (vs air) |
| vapor pressure | 1.5 mm Hg ( 20 °C) |
| refractive index | n |
| FEMA | 2356 | P-CYMENE |
| Flash point: | 117 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly) |
| form | Liquid |
| color | Clear |
| Odor | Mild, pleasant; aromatic, solvent-type. |
| Odor Threshold | 0.057ppm |
| explosive limit | 5.6% |
| Odor Type | terpenic |
| Water Solubility | PRACTICALLY INSOLUBLE |
| Merck | 14,2763 |
| JECFA Number | 1325 |
| BRN | 1903377 |
| Dielectric constant | 2.3（17℃） |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, strong acids, strong bases. |
| InChIKey | HFPZCAJZSCWRBC-UHFFFAOYSA-N |
| LogP | 4.1-4.8 at 20℃ |
| CAS DataBase Reference | 99-87-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1-methyl-4-(1-methylethyl)-(99-87-6) |
| EPA Substance Registry System | p-Cymene (99-87-6) |
Description and Uses
It is used in heat-exchange media, metal polishes, and thinners for lacquers/varnishes. Also used to make para-cresol, carvacrol, and synthetic resins. It is also used as a component of commercial terpene solvent mixtures.
Safety
| Symbol(GHS) |    GHS02,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H226-H304-H361f-H411 |
| Precautionary statements | P201-P202-P210-P273-P301+P310-P331 |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 2046 3/PG 3 |
| WGK Germany | 2 |
| RTECS | GZ5950000 |
| Autoignition Temperature | 817 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29029090 |
| Hazardous Substances Data | 99-87-6(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 4750 mg/kg (Jenner) |
