4-tert-Butyltoluene , 95% , 98-51-1

CAS NO.：98-51-1

Empirical Formula: C11H16

Molecular Weight: 148.24

MDL number: MFCD00008837

EINECS: 202-675-9

PRODUCT Properties

• Melting point: -54 °C
• Boiling point: 191 °C (lit.)
• Density: 0.858 g/mL at 25 °C (lit.)
• vapor pressure: 1.3hPa at 30℃
• refractive index: n20/D 1.492(lit.)
• Flash point: 150 °F
• storage temp.: Flammables area
• solubility: 0.06 g/100 mL (20°C)
• form: Liquid
• color: Clear colorless to faint yellow
• explosive limit: 0.7-7%(V)
• Water Solubility: 0.06 g/100 mL (20 ºC)
• BRN: 2038670
• Exposure limits: ACGIH: TWA 1 ppm; OSHA: TWA 10 ppm(60 mg/m3); NIOSH: IDLH 100 ppm; TWA 10 ppm(60 mg/m3); STEL 20 ppm(120 mg/m3)
• Dielectric constant: 2.3300000000000001
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• InChIKey: QCWXDVFBZVHKLV-UHFFFAOYSA-N
• LogP: 4.4

Description and Uses

p-tert-Butyltoluene is a colorless liquid withan aromatic gasoline-like odor. Molecular weight = 148.18;Boiling point = 193-194℃; Boiling point = 193℃;Freezing/Melting point = - 52℃; Vapor pressure =0.68 mmHg at 20℃; Flash point = 68℃. HazardIdentification (based on NFPA-704 M Rating System):Health 2, Flammability 2, Reactivity 0. Insoluble in water.

4-tert-Butyltoluene is used as pharmaceutical intermediate, Solvent for resins, intermediate in organic synthesis. It is an intermediate for the production of the acaricide pyridaben.

Safety

• Symbol(GHS): GHS02,GHS07,GHS09
• Signal word: Warning
• Hazard statements: H226-H302+H332-H315-H319-H335-H411
• Precautionary statements: P210-P273-P301+P312-P303+P361+P353-P304+P340+P312-P305+P351+P338
• Hazard Codes: Xn,T,N
• Risk Statements: 10-20/21/22-36/37/38-23-22-52/53-51/53
• Safety Statements: 16-26-36/37/39-45-28A-61
• RIDADR: UN 1993 3/PG 3
• OEB: A
• OEL: TWA: 10 ppm (60 mg/m3), STEL: 20 ppm (120 mg/m3)
• WGK Germany: 2
• RTECS: XS8400000
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29029080
• IDLA: 100 ppm