The p-Chloroacetophenone, with the CAS registry number 99-91-2, has the IUPAC name of 1-(4-chlorophenyl)ethanone. For being a kind of clear colourless to yellowish liquid after melting, this chemical is usually applied as in the synthesis of mandelic acid, fluorescent [optical] whitening agent and other fined chemistry. In addition, its product categories are including Chlorobenzene Series; Acetophenone Series; Aromatic Acetophenones & Derivatives (substituted); Organics; C7 to C8; Carbonyl Compounds; Ketones.

The physical properties of this chemical are as below: (1)ACD/LogP: 2.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.426; (4)ACD/LogD (pH 7.4): 2.426; (5)ACD/BCF (pH 5.5): 41.075; (6)ACD/BCF (pH 7.4): 41.075; (7)ACD/KOC (pH 5.5): 497.296; (8)ACD/KOC (pH 7.4): 497.296; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 17.07; (13)Index of Refraction: 1.532; (14)Molar Refractivity: 41.176 cm³; (15)Molar Volume: 132.915 cm³; (16)Polarizability: 16.323×10^-24 cm³; (17)Surface Tension: 37.233 dyne/cm; (18)Density: 1.163 g/cm³; (19)Flash Point: 107.069 °C; (20)Enthalpy of Vaporization: 47.456 kJ/mol; (21)Boiling Point: 237.727 °C at 760 mmHg; (22)Vapour Pressure: 0.044 mmHg at 25°C; (23)Exact Mass: 154.018543; (24)MonoIsotopic Mass: 154.018543; (25)Topological Polar Surface Area: 17.1; (26)Heavy Atom Count: 10; (27)Complexity: 125.

Production method of this chemical: 1-(4-chloro-phenyl)-ethanol could react to produce p-Chloroacetophenone. This reaction could happen in the presence of the reagent of benzyltriphenylphosphonium dichromate, and it needs the reaction time of 5 min with the yield of 94 %.

When you are dealing with this chemical, you should be much more cautious. For one thing, it is toxic which may at low levels cause damage to health. Then it is irritating to eyes, respiratory system and skin Very, and will have risk of serious damage to eyes. For another thing, it is harmful which may cause damage to health.

Therefore, you should take the following instructions. Wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice and if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible). And after contacting with skin, wash immediately with plenty of ... (to be specified by the manufacturer).

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: CC(=O)C1=CC=C(C=C1)Cl
(2)InChI: InChI=1S/C8H7ClO/c1-6(10)7-2-4-8(9)5-3-7/h2-5H,1H3
(3)InChIKey: BUZYGTVTZYSBCU-UHFFFAOYSA-N 

Below are the toxicity information of this chemical: