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Nickel Sulphate Hexahydrate
- Origin
- : China, Taiwan
- CAS Number
- : 10101-97-0
- HS Code
- : 28332400
Basic Info
- IUPAC Name
- : nickel(2+) sulfate hexahydrate
- Molecular Formula
- : NiSO4·6H2O
- Molecular Weight (g/mol)
- : 262.8500
- Synonyms & Trade Names
- : Nickel sulfate hexahydrate; Nickel(II) sulphate; NiSO4.6H2O
- Purity / Assay (%)
- : 21% Ni min
- Physical Form
- : Solid
- Concentration
- : Pure substance
- Appearance / Color
- : White to off-white solid
- Odor
- : Odorless
- Melting Point (°C)
- : 53.0000
- Density (g/cm³)
- : 1.9480
- Solubility in Water
- : Freely soluble
- Signal Word
- : Danger
- UN Number
- : 3288
- GHS Hazard Class
- : Acute toxic; Carcinogen; Skin sensitizer; CMR
- H-Statements
- : H302|H317|H331|H350i|H360D|H372|H410
- P-Statements
- : P201|P260|P271|P272|P273|P280|P301+P312|P308+P313
- REACH Status
- : Registered
- Drug Precursor Status
- : Non-precursor
- Storage Class (GHS)
- : 6.1
- Storage Conditions
- : Cool, dry; separate from incompatibles; SVHC
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Brief Overview
Nickel (II) sulfate is highly toxic and carcinogenic. It has two known phases. Alpha-form (blue tetragonal) converts to beta-form (green monoclinic) at 127.9°F. It becomes blue and opaque at room temperature and greenish-yellow anhydrous salt is formed at 536°F.
Manufacturing Process
Method 1: Nickel (II) sulfate is produced by dissolution of nickel metal or nickel oxides in sulfuric acid.
Method 2: Reacting nickel carbonyl, sulfur dioxide and oxygen together to form a mixture of nickel sulfate, nickel sulfite and nickel oxide. Nickel sulfite and nickel oxide are further converted to nickel sulfate all the nickel sulfate are collected.