P-TERT-BUTYLTOLUENE
p-tert-butyl toluene
CAS: 98-51-1
Molecular Formula: C11H16
P-TERT-BUTYLTOLUENE - Names and Identifiers
| Name | p-tert-butyl toluene |
| Synonyms | tbt TBT P-T-BUTYLTOLUENE TERT-BUTYL TOLUENE P-TERT-BUTYLTOLUENE 4-TERT-BUTYLTOLUENE 4-tert-Butyltoluene p-tert-butyl toluene p-Methyl-tert-butylbenzene p-methyl-tert-butylbenzene 1-tert-Butyl-4-methylbenzene 1-METHYL-4-TERT-BUTYLBENZENE 1-methyl-4-tert-butylbenzene 1-TERT-BUTYL-4-METHYL BENZENE 1-(1,1-dimethylethyl)-4-methyl-benzene |
| CAS | 98-51-1 |
| EINECS | 202-675-9 |
| InChI | InChI=1/C11H16/c1-9-5-7-10(8-6-9)11(2,3)4/h5-8H,1-4H3 |
| InChIKey | QCWXDVFBZVHKLV-UHFFFAOYSA-N |
P-TERT-BUTYLTOLUENE - Physico-chemical Properties
| Molecular Formula | C11H16 |
| Molar Mass | 148.24 |
| Density | 0.858 g/mL at 25 °C (lit.) |
| Melting Point | -54 °C |
| Boling Point | 191 °C (lit.) |
| Flash Point | 150°F |
| Water Solubility | 0.06 g/100 mL (20 ºC) |
| Solubility | 0.06 g/100 mL (20°C) |
| Vapor Presure | 1.3hPa at 30℃ |
| Appearance | Liquid |
| Color | Clear colorless to faint yellow |
| Exposure Limit | ACGIH: TWA 1 ppmOSHA: TWA 10 ppm(60 mg/m3)NIOSH: IDLH 100 ppm; TWA 10 ppm(60 mg/m3); STEL 20 ppm(120 mg/m3) |
| BRN | 2038670 |
| Storage Condition | Flammables area |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Explosive Limit | 0.7-7%(V) |
| Refractive Index | n20/D 1.492(lit.) |
| Physical and Chemical Properties | Melting Point:-52 °c Boiling Point: 192.8 ℃ density: 0.861 water-soluble:<0.1g/100 mL at 17 C flash point: 54 ℃ character: colorless liquid has aromatic smell (slightly like gasoline) |
| Use | Used as an intermediate in organic synthesis |
P-TERT-BUTYLTOLUENE - Risk and Safety
| Risk Codes | R10 - Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R23 - Toxic by inhalation R22 - Harmful if swallowed R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 2 |
| RTECS | XS8400000 |
| TSCA | Yes |
| HS Code | 29029080 |
| Hazard Class | 6.1 |
| Packing Group | III |
P-TERT-BUTYLTOLUENE - Reference Information
| LogP | 4.4 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | p-tert-butyl toluene is an intermediate of the acaricide pyridaben. used as intermediate in organic synthesis |
| production method | the preparation method is to put toluene in a reaction kettle, add catalyst, and then add tert-butane chloride, after completion of the reaction, the layers were separated by washing with water, and the organic layer was distilled to obtain a product. It is also possible to produce products by alkylation of isobutylene and toluene in the presence of sulfuric acid, |
| category | flammable articles |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1555 mg/kg; Oral-mouse LD50: 778 mg/kg |
| stimulation data | Skin-rabbits 500 mg/24 h mild; eye-rabbit 100 mg moderate |
| flammability hazard characteristics | when exposed to heat, flammable; Thermal decomposition of spicy and irritating smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials and oxidants |
| fire extinguishing agent | carbon dioxide, foam, carbon dioxide |
| Occupational Standard | TWA 60 mg/m3; Tel 120 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-and health-threatening concentration | 100 ppm |
Last Update：2024-04-10 22:29:15
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