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4-tert-Butyltoluene

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4-tert-Butyltoluene

EINECS 202-675-9
CAS No. 98-51-1 Density 0.859 g/cm3
PSA 0.00000 LogP 3.29250
Solubility water: 0.06 g/100 mL (20 °C ) Melting Point -54 °C
Formula C11H16 Boiling Point 193.5 °C at 760 mmHg
Molecular Weight 148.248 Flash Point 54.4 °C
Transport Information UN 1993 3/PG 3 Appearance Clear colorless liquid with an aromatic gasoline-like odor
Safety 16-26-36/37/39-45-28A-61 Risk Codes 10-20/21/22-36/37/38-23-22-52/53
Molecular Structure Molecular Structure of 98-51-1 (4-tert-Butyltoluene) Hazard Symbols HarmfulXn,ToxicT,DangerousN
Synonyms

Toluene,p-tert-butyl- (6CI,8CI);1-(1,1-Dimethylethyl)-4-methylbenzene;1-Methyl-4-(1,1-dimethylethyl)benzene;1-Methyl-4-tert-butylbenzene;1-tert-Butyl-4-methylbenzene;4-Methyl-tert-butylbenzene;4-tert-Butyl-1-methylbenzene;NSC 6589;p-Methyl-tert-butylbenzene;p-tert-Butyltoluene;

Article Data 125

4-tert-Butyltoluene Consensus Reports

Reported in EPA TSCA Inventory.

4-tert-Butyltoluene Standards and Recommendations

OSHA PEL: TWA 10 ppm; STEL 20 ppm
ACGIH TLV: TWA 1 ppm
DFG MAK: 10 ppm (60 mg/m3)

4-tert-Butyltoluene Analytical Methods

For occupational chemical analysis use NIOSH: Hydrocarbons, Aromatic, 1501.

4-tert-Butyltoluene Specification

The 4-tert-Butyltoluene is an organic compound with the formula C11H16. The IUPAC name of this chemical is 1-tert-butyl-4-methylbenzene. With the CAS registry number 98-51-1, it is also named as 1-Methyl-4-(2-methyl-2-propanyl)benzene. The product's categories are Arenes; Building Blocks; Organic Building Blocks. Besides, it is a clear colorless liquid with an aromatic gasoline-like odor, which should be stored in a cool, ventilated place. It is commonly used as a solvent for resins, as a primary intermediate in chemical industry, etc.

Physical properties about 4-tert-Butyltoluene are: (1)ACD/LogP: 4.37; (2)ACD/LogD (pH 5.5): 4.37; (3)ACD/LogD (pH 7.4): 4.37; (4)ACD/BCF (pH 5.5): 1226.54; (5)ACD/BCF (pH 7.4): 1226.54; (6)ACD/KOC (pH 5.5): 5655.58; (7)ACD/KOC (pH 7.4): 5655.58; (8)#Freely Rotating Bonds: 1; (9)Index of Refraction: 1.485; (10)Molar Refractivity: 49.46 cm3; (11)Molar Volume: 172.3 cm3; (12)Polarizability: 19.6×10-24cm3; (13)Surface Tension: 26.9 dyne/cm; (14)Density: 0.859 g/cm3; (15)Flash Point: 54.4 °C; (16)Enthalpy of Vaporization: 41.21 kJ/mol; (17)Boiling Point: 193.5 °C at 760 mmHg; (18)Vapour Pressure: 0.646 mmHg at 25°C.

Preparation: this chemical can be prepared by methylbenzene and 2-chloro-2-methyl-propane. This reaction will need reagent BF3, tert-butyl alcohol.



Uses of 4-tert-Butyltoluene: it can be used to produce 2-bromo-4-tert-butyl-1-methyl-benzene at temperature of 55 °C. It will need reagent Br2 and solvent acetic acid with reaction time of 5 days. The yield is about 88%.

When you are using this chemical, please be cautious about it as the following:
It is flammable and harmful by inhalation, in contact with skin and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin and toxic by inhalation. In addition, it is harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.When you are using it, wear suitable gloves and eye/face protection and keep away from sources of ignition - No smoking. After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer). In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: c1cc(ccc1C(C)(C)C)C
(2)InChI: InChI=1/C11H16/c1-9-5-7-10(8-6-9)11(2,3)4/h5-8H,1-4H3
(3)InChIKey: QCWXDVFBZVHKLV-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C11H16/c1-9-5-7-10(8-6-9)11(2,3)4/h5-8H,1-4H3
(5)Std. InChIKey: QCWXDVFBZVHKLV-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TCLo inhalation 10ppm/3M (10ppm) GASTROINTESTINAL: NAUSEA OR VOMITING AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 9, Pg. 227, 1954.
human TCLo inhalation 20ppm/5M (20ppm) SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE

SENSE ORGANS AND SPECIAL SENSES: CHANGE IN FUNCTION: TASTE

GASTROINTESTINAL: NAUSEA OR VOMITING
"Toxicology and Biochemistry of Aromatic Hydrocarbons," Gerarde, H., New York, Elsevier, 1960Vol. -, Pg. 156, 1960.
mouse LC50 inhalation 248ppm/4H (248ppm) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

BEHAVIORAL: EXCITEMENT
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 9, Pg. 227, 1954.
mouse LD50 oral 778mg/kg (778mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 9, Pg. 227, 1954.
rabbit LD50 oral 1728mg/kg (1728mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: MUSCLE WEAKNESS
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 9, Pg. 227, 1954.
rabbit LD50 skin 16934mg/kg (16934mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 9, Pg. 227, 1954.
rat LC50 inhalation 165ppm/8H (165ppm) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 9, Pg. 227, 1954.
rat LD50 oral 1555mg/kg (1555mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
AMA Archives of Industrial Hygiene and Occupational

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