Quality Standard for 70% Sodium Hydrosulfide
Quality Standard for 70% Sodium Hydrosulfide
The quality standard for 70% sodium hydrosulfide is as follows:
Appearance: White or slightly yellowish lumpy crystals.
Sodium hydrosulfide content: Not less than 70.0%.
Iron content: Not more than 0.005%.
Free alkali content (as NaOH): Not more than 1.5%.
Sulfide content: Not more than 0.05%.
Sodium Hydrosulfide Sulfate content: Not more than 0.05%.
Ammonium salt content: Not more than 0.05%.
Water-insoluble matter content: Not more than 0.05%.
Sodium Hydrosulfide Chloride content: Not more than 0.05%.
Easily oxidizable substances content: Not more than 0.05%.
Non-volatile matter content: Not more than 0.1%.
The quality standard for 70% sodium hydrosulfide is as follows:
Appearance: White or slightly yellowish lumpy crystals.
Sodium hydrosulfide content: Not less than 70.0%.
Iron content: Not more than 0.005%.
Free alkali content (as NaOH): Not more than 1.5%.
Sulfide content: Not more than 0.05%.
Sodium Hydrosulfide Sulfate content: Not more than 0.05%.
Ammonium salt content: Not more than 0.05%.
Water-insoluble matter content: Not more than 0.05%.
Sodium Hydrosulfide Chloride content: Not more than 0.05%.
Easily oxidizable substances content: Not more than 0.05%.
Non-volatile matter content: Not more than 0.1%.
Zibo Anhao Chemical Co., Ltd.
Zibo Anhao Chemical Co., Ltd. – Sodium Hydrosulfide (NaHS, CAS 16721-80-5)
Your Trusted Partner for Premium-Grade Sodium Hydrosulfide
Zibo Anhao Chemical Co., Ltd. delivers high-purity Sodium Hydrosulfide (NaHS)—a vital inorganic sulfide engineered for consistent performance across mining, leather processing, dye synthesis, and wastewater treatment. Available as brown flakes (≥70% purity) or stable 40–45% aqueous solution, our product features low impurities, steady alkalinity, and reliable efficacy for your critical industrial processes.
Why Choose Zibo Anhao Chemical?
Uncompromising Quality: Strict in-house production and QA protocols minimize Na₂S and carbonate impurities, ensuring batch-to-batch consistency.
Versatile Industrial Utility: Ideal for non-ferrous metal flotation, leather dehairing, sulfide dye manufacturing, pulp processing, and wastewater treatment.
Flexible & Secure Packaging: 25kg/50kg woven bags for solids; IBC tanks or bulk tankers for liquids—tailored to your logistics needs.
Global Compliance & Support: Full COA, MSDS, and UN 2949 transport documentation for safe, seamless delivery worldwide.
Backed by years of chemical manufacturing expertise, Zibo Anhao Chemical guarantees stable supply, competitive pricing, and professional technical support. Partner with us for sodium hydrosulfide that drives efficiency and reliability in your operations.
Contact us today for bulk orders or customized grades!
Your Trusted Partner for Premium-Grade Sodium Hydrosulfide
Zibo Anhao Chemical Co., Ltd. delivers high-purity Sodium Hydrosulfide (NaHS)—a vital inorganic sulfide engineered for consistent performance across mining, leather processing, dye synthesis, and wastewater treatment. Available as brown flakes (≥70% purity) or stable 40–45% aqueous solution, our product features low impurities, steady alkalinity, and reliable efficacy for your critical industrial processes.
Why Choose Zibo Anhao Chemical?
Uncompromising Quality: Strict in-house production and QA protocols minimize Na₂S and carbonate impurities, ensuring batch-to-batch consistency.
Versatile Industrial Utility: Ideal for non-ferrous metal flotation, leather dehairing, sulfide dye manufacturing, pulp processing, and wastewater treatment.
Flexible & Secure Packaging: 25kg/50kg woven bags for solids; IBC tanks or bulk tankers for liquids—tailored to your logistics needs.
Global Compliance & Support: Full COA, MSDS, and UN 2949 transport documentation for safe, seamless delivery worldwide.
Backed by years of chemical manufacturing expertise, Zibo Anhao Chemical guarantees stable supply, competitive pricing, and professional technical support. Partner with us for sodium hydrosulfide that drives efficiency and reliability in your operations.
Contact us today for bulk orders or customized grades!




