CAS 2223-95-2 corresponds to nickel stearate, which is an organic metal salt formed by nickel ions and stearic acid. It appears as a green waxy solid at room temperature and is mainly used as a surfactant and catalyst for tertiary amine synthesis. It belongs to Class 1 carcinogens and requires strict protection.

Basic Information
-Chinese name: Nickel stearate (also known as nickel stearate or nickel distearate)
-English name: Nickel steel/Nickel (II) steel
-Chemical formula: C ∝₆ H ₇₀ NiO ₄
-Molecular weight: 625.63
-EINECS number: 218-744-1
-Appearance: Green waxy solid
-Water solubility: insoluble in water

Physicochemical properties
1. Melting point: 82-86 ℃
2. Boiling point: about 359.4 ℃
3. Density: 1.13 g/cm ³
4. Flash point: 162.4 ℃
5. Steam pressure: 8.58 × 10 ⁻⁶ mmHg (25 ℃)

main purpose
-Used as a surfactant
-Catalysts for tertiary amine production
-Preparation of superhydrophobic coating (with anti-corrosion and self-cleaning functions)

Safety and Hazards
-Carcinogenicity: Nickel compounds are classified as Group 1 carcinogens by IARC (clearly carcinogenic to humans)
-Health hazards: Harmful swallowing, harmful inhalation of dust, may cause skin allergies and respiratory irritation
-Environmental hazards: extremely toxic to aquatic organisms, long-term impact on the environment
-Protection requirements: Avoid inhaling dust, wear protective clothing/glasses, and strictly prohibit arbitrary discharge; Disposal must be treated as hazardous waste (S60/661)
-UN number: UN 3079 (partially classified as UN 3077, environmentally hazardous substances)

When storing, it should be sealed and placed in a cool and dry place to avoid contact with oxidants. The operation must follow the specifications of the Material Safety Data Sheet (MSDS) for chemicals.

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CAS 2223-95-2 | Nickel stearate (C36H70NiO4)
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