Reported in EPA TSCA Inventory.

OSHA PEL: TWA 5 ppm (skin)
ACGIH TLV: TWA 5 ppm (skin)

The 2-sec-Butylphenol, with the CAS registry number 89-72-5, is also known as 2-(1-Methylpropyl)phenol. It belongs to the product categories of Organic Building Blocks; Oxygen Compounds; Phenols. Its EINECS number is 201-933-8. This chemical's molecular formula is C₁₀H₁₄O and molecular weight is 150.22. What's more, its systematic name is 2-sec-Butylphenol. Its classification code is Skin / Eye Irritant. 

Physical properties of 2-sec-Butylphenol are: (1)ACD/LogP: 3.37; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.37; (4)ACD/LogD (pH 7.4): 3.37; (5)ACD/BCF (pH 5.5): 214.41; (6)ACD/BCF (pH 7.4): 214.18; (7)ACD/KOC (pH 5.5): 1622.97; (8)ACD/KOC (pH 7.4): 1621.19; (9)#H bond acceptors: 1; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 20.23 Å²; (13)Index of Refraction: 1.52; (14)Molar Refractivity: 46.952 cm³; (15)Molar Volume: 154.442 cm³; (16)Polarizability: 18.613×10^-24cm³; (17)Surface Tension: 35.5 dyne/cm; (18)Density: 0.973 g/cm³; (19)Flash Point: 112.222 °C; (20)Enthalpy of Vaporization: 48.293 kJ/mol; (21)Boiling Point: 227.499 °C at 760 mmHg; (22)Vapour Pressure: 0.05 mmHg at 25°C.

Preparation: this chemical can be prepared by phenol and but-1-ene at the temperature of 25 °C. This reaction will need reagent AlCl₃ and solvent CHCl₃ with the reaction time of 10 hours. The yield is about 45%.

Uses of 2-sec-Butylphenol: it can be used to produce allyl 2-sec-butylphenyl ether at the ambient temperature. It will need reagents 1 N aq. NaOH, benzyltri-n-butylammonium bromide and solvent CH₂Cl₂ with the reaction time of 2 hours. The yield is about 86%.

When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed. It can cause burns. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. You must take off immediately all contaminated clothing. After contact with skin, you should wash immediately with plenty of ... (to be specified by the manufacturer). When using it, you need wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: Oc1ccccc1C(CC)C
(2)Std. InChI: InChI=1S/C10H14O/c1-3-8(2)9-6-4-5-7-10(9)11/h4-8,11H,3H2,1-2H3
(3)Std. InChIKey: NGFPWHGISWUQOI-UHFFFAOYSA-N

The toxicity data is as follows: