Nickel bis(sulphamidate)
- CAS NO.:13770-89-3
- Empirical Formula: H3NNiO3S
- Molecular Weight: 155.78
- MDL number: MFCD00137261
- EINECS: 237-396-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-04 13:44:46
What is Nickel bis(sulphamidate)?
Chemical properties
blue-green crystals
The Uses of Nickel bis(sulphamidate)
Nickel sulfamate is used as an electrolyte in nickel electroplating systems.
The Uses of Nickel bis(sulphamidate)
Nickel plating Nickel(II) sulfamate is used for electroplating and as a surface treating agent. It finds application in metal coloring and casting.
Preparation
Nickel sulfamate is prepared by heating an aqueous solution of sulfamic acid, H2NSO3H, with fine nickel powder or black nickel oxide under controlled conditions:2H2NSO3H + NiO → Ni(SO3NH2)2 + H2O
At ordinary temperatures, sulfamic acid hydrolyzes slowly forming ammonium bisulfite. However, when heated it hydrolyzes rapidly forming sulfuric acid. Therefore nickel sulfamate should be prepared rapidly before any sulfamic acid hydrolysis occurs due to longer contact time with water.
Nickel sulfamate also can be prepared by the action of sodium sulfamate on nickel carbonate: 2H2NSO3Na + NiCO3 → Ni(SO3NH2)2 + Na2CO3
Nickel sulfamate is usually not isolated from its product mixtures. The product solution is sold for commercial applications.
Flammability and Explosibility
Non flammable
Safety Profile
Confirmed human carcinogen. Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also NICKEL COMPOUNDS.
Properties of Nickel bis(sulphamidate)
Density | 2.25[at 20℃] |
RTECS | QR9275000 |
form | Liquid |
color | Green |
Water Solubility | Soluble in water. |
Exposure limits | ACGIH: TWA 0.1 mg/m3 NIOSH: IDLH 10 mg/m3; TWA 0.015 mg/m3 |
Stability: | Stable. Incompatible with oxidizing agents. |
CAS DataBase Reference | 13770-89-3(CAS DataBase Reference) |
EPA Substance Registry System | Sulfamic acid, nickel(2+) salt (2:1) (13770-89-3) |
Safety information for Nickel bis(sulphamidate)
Signal word | Danger |
Pictogram(s) |
Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H317:Sensitisation, Skin H334:Sensitisation, respiratory H341:Germ cell mutagenicity H350:Carcinogenicity H360:Reproductive toxicity H372:Specific target organ toxicity, repeated exposure H400:Hazardous to the aquatic environment, acute hazard H410:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P405:Store locked up. |
Computed Descriptors for Nickel bis(sulphamidate)
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