NTP 10th Report on Carcinogens. Nickel and its compounds are on the Community Right-To-Know List.

OSHA PEL: TWA 0.1 mg (Ni)/m³
ACGIH TLV: TWA 0.2 mg(Ni)/m³; Human Carcinogen
NIOSH REL: (Inorganic Nickel) TWA 0.015 mg(Ni)/m³

The IUPAC name of Nickel(II) chloride hexahydrate is nickel(2+) dichloride hexahydrate. With the CAS registry number 7791-20-0, it is also named as Nickel chloride hexahydrate. The product's categories are Catalysis and Inorganic Chemistry; Chemical Synthesis; Metal and Ceramic Science; Nickel Salts; Salts; Cell Culture; Miscellaneous Reagents and Supplements; Reagents and Supplements; Analytical Reagents for General Use; I-N, Puriss p.a.Chemical Synthesis; Puriss p.a.. Besides, it is green solid, which should be stored in sealed container in a cool, ventilated, dry storehouse at room temperature. This chemical is stable, hygroscopic, and incompatible with peroxides. In addition, its molecular formula is NiCl₂^.6(H₂O) and molecular weight is 237.68.

The other characteristics of this product can be summarized as: (1)EINECS: 231-743-0; (2)ACD/LogP: -1.38; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): -1.38; (5)ACD/LogD (pH 7.4): -1.38; (6)ACD/BCF (pH 5.5): 1; (7)ACD/BCF (pH 7.4): 1; (8)#H bond acceptors: 1; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 0; (11)Polar Surface Area: 9.23 Å²; (12)Density: 1.92 g/cm³; (13)Water Solubility: 2540 G/L (20 °C); (14)Enthalpy of Vaporization: 40.65 kJ/mol; (15)Boiling Point: 100 °C at 760 mmHg; (16)Vapour Pressure: 24.5 mmHg at 25 °C.

Preparation of Nickel(II) chloride hexahydrate: first of all, please add Nickel hydroxide in the reactor to react with hydrochloric acid. And you will get Nickel chloride. The reaction equation is as follows:



Then please add Hydrogen sulfide, Hydrogen peroxide to remove iron and other impurities. After that, please put the clarifying solution to evaporate and concentrate. At last, you will get this product after cooling crystallization and centrifugal separation.

Uses of Nickel(II) chloride hexahydrate: this chemical is used to electroplate nickel. And it is used for producing of catalysts, dry batteries and invisible ink. What's more, it is used as anode activating agent in nickel plating. It is also used as absorbent of Ammonia in industry and gas masks.

When you are using this chemical, please be cautious about it as the following: it is toxic if swallowed. It is also irritating to eyes and skin that may cause sensitization by skin contact. Please avoid contact with skin. And you should wear suitable protective clothing and gloves. Moreover, this chemical may cause cancer. It is very toxic to aquatic organisms that may cause long-term adverse effects in the aquatic environment. Please do not empty into drains.And you should avoid exposure - obtain special instructions before use. Additionally, this material and its container must be disposed of as hazardous waste. Please avoid release to the environment. Refer to special instructions / safety data sheets. Furthermore, in case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

People can use the following data to convert to the molecule structure.
(1)SMILES: [Ni+2].[Cl-].[Cl-].O.O.O.O.O.O
(2)InChI: InChI=1/2ClH.Ni.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2
(3)InChIKey: LAIZPRYFQUWUBN-NUQVWONBAG
(4)Std. InChI: InChI=1S/2ClH.Ni.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2
(5)Std. InChIKey: LAIZPRYFQUWUBN-UHFFFAOYSA-L

The toxicity data is as follows: