The 3,4-Dichloroaniline, with the CAS registry number 95-76-1,is also known as 1-Amino-3,4-Dichlorobenzene; 3,4-Dichlorobenzenamine; 3,4-DCA. It belongs to the product categories of Building Blocks;C6;Chemical Synthesis;Nitrogen Compounds;Organic Building Blocks.Its EINECS number is 202-448-4. This chemical's molecular formula is C₆H₅Cl₂N and molecular weight is 162.02. What's more,Its systematic name is 3,4-Dichloroaniline.It is a brown solid which is which is stable,combustible and incompatible with strong oxidizing agents,acids,acid chlorides,acid anhydrides, but it is darkens in storage.

The characteristics of 3,4-Dichloroaniline are as follows:
(1)ACD/LogP: 2.51; (2)ACD/LogD (pH 5.5): 2.51; (3)ACD/LogD (pH 7.4): 2.51; (4)ACD/BCF (pH 5.5): 47.33; (5)ACD/BCF (pH 7.4): 47.44; (6)ACD/KOC (pH 5.5): 549.97; (7)ACD/KOC (pH 7.4): 551.34; (8)#H bond acceptors: 1; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 26.02 ; (12)Index of Refraction: 1.613; (13)Molar Refractivity: 40.27 cm³; (14)Molar Volume: 115.6 cm³; (15)Polarizability: 15.96 ×10^-24 cm³; (16)Surface Tension: 48.3 dyne/cm; (17)Density: 1.401 g/cm³; (18)Flash Point: 118.2 °C; (19)Enthalpy of Vaporization: 51.01 kJ/mol; (20)Boiling Point: 271.8 °C at 760 mmHg; (21)Vapour Pressure: 0.0063 mmHg at 25°C; (22)Exact Mass: 160.979905; (23)MonoIsotopic Mass: 160.979905; (24)Topological Polar Surface Area: 26; (25)Heavy Atom Count: 9; (26)Complexity: 97.1.

You can still convert the following datas into molecular structure:
(1)SMILES:Nc1cc(Cl)c(Cl)cc1;
(2)Std. InChI:InChI=1S/C6H5Cl2N/c7-5-2-1-4(9)3-6(5)8/h1-3H,9H2;
(3)Std. InChIKey:SDYWXFYBZPNOFX-UHFFFAOYSA-N.

Production of 3,4-Dichloroaniline:
1,2-dichloro-4-nitro-benzene could react to produce  3,4-Dichloroaniline, with the following condition: reagent: NaHS/Al2O3; reation time: 4 min; yield: 80%; other condition: microwave irradiation.


Use of 3,4-Dichloroaniline is as below:
chloroacetyl chloride could react with 3,4-Dichloroaniline to produce chloro-acetic acid-(3,4-dichloro-anilide), with the following condition: reagent:benzene

As to its usage, it is widely applied in many ways. It could be used in the intermediate in pharmaceutics, pesticide, and dye. If used in pesticide, it could be the intermediate for propanil, diuron, linuron, swep and so on. And it could also be used as the intermediate for bioactivity.

Safety information of 3,4-Dichloroaniline:
When dealing with this chemical, you should be cautious and then take some measures to protect yourself. For one thing, this chemical is toxic. It may at low levels cause damage to health, and if by inhalation, in contact with skin and if swallowed, it will bring damage to our health. Besides, it may cause sensitisation by skin contact, and it also has risk of serious damage to eyes. For another thing, it is dangerous for the environment. It may present an immediate or delayed danger to one or more components of the environment; And being toxic to aquatic organisms, it may cause long-term adverse effects in the aquatic environment.Therefore, you should take the following instructions while using. Wear suitable protective clothing, gloves and eye/face protection. If in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; If in case of accident or if you feel unwell, seek medical advice immediately (show the label where possible); After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer). While keep it, this material and its container must be disposed of as hazardous waste , and then avoid releasing to the environment, with refering to special instructions/safety data sheet.

Below are the toxicity information of 3,4-Dichloroaniline: