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

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 sulfamate, with the CAS registry number 13770-89-3, is also known as Nickel bis(sulphamidate);Sulfamic acid nickel(2+) salt (2:1). It belongs to the product categories of Inorganics.This chemical's molecular formula is H₄N₂NiO₆S₂ and molecular weight is 250.86. What's more,Its systematic name is Nickel sulfamate.It is a blue-green crystals,stable,Incompatible with oxidizing agents.It is used as precision instruments in the electronics industry.It is confirmed human carcinogen. Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also nickel compounds.

Physical properties about Nickel sulfamate are:
(1)ACD/LogP: -1.416; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.86; (4)ACD/LogD (pH 7.4): -4.92; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)#H bond acceptors: 4; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 0.

You can still convert the following datas into molecular structure:
(1)SMILES:[Ni+2].O=S(=O)([O-])N.[O-]S(=O)(=O)N;
(2)Std. InChI:InChI=1S/2H3NO3S.Ni/c2*1-5(2,3)4;/h2*(H3,1,2,3,4);/q;;+2/p-2;
(3)Std. InChIKey:KERTUBUCQCSNJU-UHFFFAOYSA-L.

The toxicity data of Nickel sulfamate as follows: