Sulfuric acid,nickel(2+) salt (1:1)

NTP 10th Report on Carcinogens. Nickel and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

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 Nickel sulfate is an organic compound with the formula NiSO₄. The IUPAC name of this chemical is nickel(2+) sulfate. With the CAS registry number 7786-81-4, it is also named as Nickel refinery dust. The product's categories are Inorganics; Metal and Ceramic Science; Nickel Salts; Salts.

Physical properties about Nickel sulfate are: (1)CD/LogP: -1.03; (2)ACD/LogD (pH 5.5): -5.53; (3)ACD/LogD (pH 7.4): -5.53; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)#H bond acceptors: 4; (7)#H bond donors: 2; (8)Polar Surface Area: 82.98 Å²; (9)Enthalpy of Vaporization: 62.94 kJ/mol; (10)Boiling Point: 330 °C at 760 mmHg; (11)Vapour Pressure: 3.35E-05 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed and may cause sensitisation by inhalation and skin contact. It has limited evidence of a carcinogenic effect. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible). Besides, this chemical is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment and toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. When you are using it, wear suitable protective clothing and gloves, do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) and do not breathe dust. This material and its container must be disposed of as hazardous waste.

You can still convert the following datas into molecular structure:
(1)SMILES: [Ni+2].[O-]S([O-])(=O)=O
(2)InChI: InChI=1/Ni.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
(3)InChIKey: LGQLOGILCSXPEA-NUQVWONBAG
(4)Std. InChI: InChI=1S/Ni.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
(5)Std. InChIKey: LGQLOGILCSXPEA-UHFFFAOYSA-L

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
cat	LDLo	subcutaneous	24mg/kg (24mg/kg)	GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" GASTROINTESTINAL: NAUSEA OR VOMITING	Journal of Hygiene. Vol. 8, Pg. 565, 1908.
dog	LDLo	intravenous	38mg/kg (38mg/kg)		Journal of Hygiene. Vol. 8, Pg. 565, 1908.
dog	LDLo	subcutaneous	38mg/kg (38mg/kg)		Journal of Hygiene. Vol. 8, Pg. 565, 1908.
mouse	LD50	intraperitoneal	20894ug/kg (20.894mg/kg)		Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 256, Pg. 1043, 1963.
mouse	LDLo	intravenous	7640ug/kg (7.64mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) KIDNEY, URETER, AND BLADDER: PROTEINURIS BEHAVIORAL: FLUID INTAKE	Farmakologiya i Toksikologiya Vol. 23, Pg. 549, 1960.
rabbit	LDLo	intravenous	33mg/kg (33mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION	Journal of Hygiene. Vol. 8, Pg. 565, 1908.
rabbit	LDLo	subcutaneous	33mg/kg (33mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION	Journal of Hygiene. Vol. 8, Pg. 565, 1908.
rat	LD50	intraperitoneal	500mg/kg (500mg/kg)	BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(6), Pg. 48, 1979.