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Stable aqueous solution formulation optimized for consistent pigment dispersion and color development.
Controlled 20% w/w ammonium sulfide concentration ensures predictable reactivity in metal sulfide precipitation processes.
Low residual ammonia odor compared to conventional ammonium sulfide solutions, enhancing workplace safety and handling comfort.
High purity grade with minimal heavy metal impurities, supporting compliance with stringent industrial pigment quality standards.
Ready-to-use liquid format eliminates on-site dissolution risks and reduces preparation time in production workflows.
Preparation of cadmium-free black and brown inorganic pigments (e.g., zinc sulfide, copper sulfide composites).
Sulfidation agent in the synthesis of high-performance photocatalytic pigments for architectural coatings.
Colorant precursor in ceramic glaze formulations requiring controlled sulfur release during firing.
Functional additive in anti-corrosion primers where sulfide-based passivation layers enhance substrate protection.
Reagent for analytical and R&D applications involving controlled sulfide ion delivery in pigment stability testing.
| Chemical Type | Ammonium sulfide solution |
| Product Form | Liquid |
| Appearance | Clear to slightly hazy yellow-brown solution |
| Concentration | 20% w/w NH₄SH equivalent (as sulfide) |
| pH (1% aqueous solution) | 9.5–10.5 |
| Density (20°C) | 1.05–1.08 g/cm³ |
| Storage Condition | Store at 2–8°C, protected from light and moisture |
| Shelf Life | 6 months under recommended storage conditions |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
