Introduction
Hello, future importers! Venturing into the world of chemical imports, especially from the vast expanse of China, can feel like navigating a maze. But, worry not! If sodium hydrosulfide and sodium hydrosulfite are on your list, we’re here to help you distinguish the twins and ensure a smooth importing journey. Buckle up; it’s going to be an enlightening ride!
Unveiling the Essentials
Despite sounding like they were separated at birth, these two compounds are distinctively unique.
Sodium Hydrosulfide (Sodium Hydrosulphide)
Purity: | 70% 72% | Molecular Formula: | NaHS |
CAS No.: | 16721-80-5 | Molecular Weight: | 56.06 |
EINECS No.: | 240-778-0 | Property: | Yellow to brown flakes |
UN Code: | 2949 | HS Code: | 2830109000 |

Sodium Hydrosulfite (Sodium Hydrosulphite)
Purity: | 85% 88% 90% | Molecular Formula: | Na2S2O4 |
CAS No.: | 7775-14-6 | Molecular Weight: | 174.11 |
EINECS No.: | 231-890-0 | Property: | White crystal powder |
UN Code: | 1384 | HS Code: | 2831101000 |

Historical Footprints
Wondering about their origins? Let’s turn back time a bit.
- Sodium Hydrosulfide: Introduced in the early 1900s, this compound quickly became indispensable, especially in ore processing.
- Sodium Hydrosulfite: Originating from the late 1800s, it first found its niche in the food industry before textiles came calling.
Reactivity Tales
When it comes to reactions, these compounds are far from shy.
- Dance with Acids: NaHS is the extrovert, releasing a recognizable gas upon reacting with acids. Sodium hydrosulfite, however, plays its cards closer to its chest.
- Heat’s Effects: Both can undergo breakdowns, changing their nature when subjected to certain conditions.
Decoding Their Import Significance
If you’re importing these compounds, here’s the value they can add to your ventures:
- Steady Demand: With their widespread applications, both these compounds ensure a constant demand, making them a profitable import option.
- Diverse Application: From textiles to mining, they cater to a broad spectrum, opening up multiple avenues for business expansions.
Procuring from China: The Advantages
China, being a manufacturing powerhouse, offers numerous benefits for importers:
- Cost-Effectiveness: Given the scale of production, importing these chemicals from China is usually more cost-effective than many other regions.
- Quality Control: With stringent quality checks, Chinese factories ensure that you receive nothing but the best.
- Logistics: China’s well-established transportation network guarantees timely deliveries.

Sealing the Deal: Importing Tips
- Documentation: Ensure all your papers are in order. A single missing document can stall the process.
- Factory Visits: If possible, visiting the manufacturing unit can offer clarity on product quality and operational standards.
- Safety First: Given the nature of these chemicals, ensuring safe storage during transit is paramount.
A Warm Invitation
To all those venturing into this domain, remember, while the chemicals may sound complex, the importing process doesn’t need to be.
And if sodium hydrosulfide (NaHS, CAS 16721-80-5) is on your list, we are a sodium hydrosulfide factory always open to collaborations. Feel free to reach out and let us assist you in your importing endeavors! Email: info@sodiumhydrosulfide.com, WhatsApp: +86 18348237887
Conclusion
Navigating the intricacies of sodium hydrosulfide and sodium hydrosulfite might seem daunting initially, but armed with the right knowledge and a trusted supplier (like us!), your importing journey from China can be smooth sailing. Whether you’re a seasoned importer or just setting foot in the industry, understanding these chemicals can be your ticket to significant business growth. Happy importing!