The CAS registry number of 4-Bromophenoxyacetic acid is 1878-91-7. Its EINECS registry number is 217-530-5. The IUPAC name is 2-(4-bromophenoxy)acetic acid. In addition, the molecular formula is C₈H₇BrO₃ and the molecular weight is 231.04. It is also called aceticacid, 2-(4-bromophenoxy)-. What's more, it is a kind of white or cream crystalline powder and belongs to the classes of Drug Intermediates; Acetics acid and esters; Organic acids; Plant Growth Regulator; Auxins; Biochemistry; C8; Carbonyl Compounds; Carboxylic Acids. And it should be stored in sealed container, and placed in a cool and dry place. The storage place must stay away from oxidant.

Physical properties about this chemical are: (1)ACD/LogP: 2.37; (2)ACD/LogD (pH 5.5): -0.02; (3)ACD/LogD (pH 7.4): -1.27; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1.88; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 3; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 35.53 Å²; (12)Index of Refraction: 1.579; (13)Molar Refractivity: 46.81 cm³; (14)Molar Volume: 140.7 cm³; (15)Polarizability: 18.56 ×10^-24cm³; (16)Surface Tension: 50.9 dyne/cm; (17)Density: 1.641 g/cm³; (18)Flash Point: 158.2 °C; (19)Enthalpy of Vaporization: 61.35 kJ/mol; (20)Boiling Point: 337.9 °C at 760 mmHg; (21)Vapour Pressure: 3.96E-05 mmHg at 25°C.

Preparation of 4-Bromophenoxyacetic acid: it can be prepared by phenoxyacetic acid. This reaction will need reagent Br₂ and solvent CCl₄. The reaction time is 12 hours by heating. The yield is about 50%.

Uses of 4-Bromophenoxyacetic acid: it can be used as plant growth regulator. And it can react with 4-Methyl-3-pentenylamine to get 2-(4-bromo-phenoxy)-N-(4-methyl-pent-3-enyl)-acetamide. This reaction will need reagent POCl₃ and Et₃N and solvent CH₂Cl₂. The yield is about 69.5%.

When you are using this chemical, please be cautious about it as the following:
During using it, you should avoid contact with skin and eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: Brc1ccc(OCC(=O)O)cc1
(2)InChI: InChI=1/C8H7BrO3/c9-6-1-3-7(4-2-6)12-5-8(10)11/h1-4H,5H2,(H,10,11)
(3)InChIKey: SZEBGAQWWSUOHT-UHFFFAOYAD