High-Quality SFS (Rongalite) Sodium Formaldehyde Sulphoxylate CAS 6035-47-8 & 149-44-0 Water-Soluble Reducing Compound
High-Quality SFS (Rongalite) Sodium Formaldehyde Sulphoxylate CAS 6035-47-8 & 149-44-0 Water-Soluble Reducing Compound
Product Parameters
| NAME OF INDEXES | SPECIFICATION | TESTING RESULTS |
| Appearance | Amber or brown oily liquid | Brown oily liquid |
| Nitrogen,% | 0.8 - 1.55 | 1.25 |
| Water,% | 0.08max | 0.03 |
| Flash Point,ºC | ≥170 | 186 |
| Viscosity, mm2/s@100ºC | 200-450 | 330 |
| Density, kg/m3@20ºC | 890-935 | 916 |
| Chlorin,% | 0.5max | 0.08 |
| Impurity,% | 0.08max | 0.02 |
Comparison of SFS with Other Common Reducing Agents
Introduction to Reducing Agents
Reducing agents are widely used across various industries to facilitate chemical reactions by donating electrons. Sodium Formaldehyde Sulfoxylate, or SFS, is one of the most popular choices due to its mild yet effective reducing power. To understand its advantages, it is helpful to compare SFS with other commonly used alternatives.
SFS vs Sodium Hydrosulfite
Sodium Hydrosulfite is another popular reducing agent, especially in textile and paper industries. While it offers strong reducing power, it is less stable than SFS and can decompose quickly in the presence of moisture or heat. In contrast, SFS is more stable during storage and handling, making it a safer and longer-lasting option. Additionally, SFS produces less odor and fewer emissions during use.
SFS vs Thiourea Dioxide
Thiourea Dioxide is known for its strong reduction capabilities, especially in color removal and vat dyeing. However, it is more sensitive to temperature and pH fluctuations. SFS, while slightly milder, is easier to control and safer to store. In many textile discharge printing processes, SFS is preferred due to its more predictable performance and reduced safety concerns.
SFS vs Ascorbic Acid
Ascorbic Acid, or Vitamin C, is used as a mild reducing agent in food and cosmetics. It is biodegradable and environmentally friendly but limited in industrial applications due to its high cost and lower reduction efficiency in large-scale processes. SFS provides a more economical and scalable solution for applications such as textile treatment and polymerization control.
SFS vs Sodium Bisulfite
Sodium Bisulfite is another reducing agent used in water treatment and bleaching. It is more corrosive and often requires strict handling protocols. SFS is less corrosive and has a more neutral pH range in solution, making it a gentler option for equipment and worker safety in industrial environments.
Cost and Handling Efficiency
Compared to many other reducing agents, SFS offers a balance between performance, safety, and cost. Its longer shelf life, water solubility, and moderate reactivity allow for easy integration into existing manufacturing systems without requiring significant changes in handling practices.
Environmental Considerations
Many industries are now focused on greener production methods. SFS stands out for its low toxicity and minimal environmental impact. Unlike some alternatives, it does not generate harmful by-products or require intensive neutralization, making it suitable for sustainable manufacturing.
Conclusion
While multiple reducing agents are available on the market, SFS remains a reliable and efficient choice for industries seeking stability, safety, and environmental compliance. Its balance of strength and manageability gives it a competitive edge over more hazardous or expensive alternatives.
Company Profile

Wuxi High Mountain Hi-tech Development Co., Ltd is a professional industrial company engaged in special
chemical production, technology research & development, and import & export. The company focuses on
the production, trade, and research & development of various chemical products.
Since establishment, the company has been concentrating on constructing an international marketing
network and optimizing supply chain management, where we have established a long-term strategic
cooperation relationship with numerous large enterprises at home and abroad. Relying on our wide business
channels and professional experience, we are more skillfully providing products of stable but differentiated
quality, along with flexible, highly efficient & considerate service to satisfy our partner at more competitive pricing.
Efficiently treating our customers as partners with sincerity, specialization and satisfaction is our managerial
principle. Attributed to the backup of a dedicated technical team, filled with wide and profound knowledge
and practice in chemicals and world trade for 20 years, the company owns rich experience in product quality
control, technical solution, chemical logistics organization, packaging optimization, port operation, etc., which
accounts for its first-class cost control management and ensures to maintain the overwhelming competitive
advantage over others. In line with the principle of sharing the preferential cost and joint development, the
company has formed an interesting community for years with its customers at home and abroad. Sincerely
to build up a pleasant mutual trust, cooperative, win-win, and value-added sustainable partnership is what
we are achieving to grow together with you!
![]() |
![]() |
![]() |
![]() |
ZnO Agrochemical Intermediates
,Agrochemical Intermediates Zinc Oxide Powder
,Agrochemical Intermediates 1314-13-2
-
1,1,1,3,5,5,5-Heptamethyltrisiloxane 99% High Purity Industrial Grade | CAS 1873-88-7
1,1,1,3,5,5,5-Heptamethyltrisiloxane Basic Information Abbreviation: MDHM, HMTS Other Names: Bis(trimethylsiloxy)methylsilane, 3H-Heptamethyltrisiloxane, Methyl-bis(trimethylsilyloxy)silane CAS No.: 1873-88-7 HS Code: 29319090 Appearance Colorless transparent liquid, with slight siloxane odor, no ... -
Sodium Chloroacetate 3926‑62‑3 SMCA for Water Soluble Alkylation Reagent in Fine Chemical Manufacture
SMCA Toxicokinetics and Metabolism Sodium Chloroacetate (C₂H₂ClNaO₂, CAS 3926‑62‑3) rapidly metabolizes to monochloroacetic acid (MCA) after ingestion. In rats, oral exposure leads to liver and kidney accumulation via metabolites like thiodiacetic and glycolic acids benchchem.com+4tera.org... -
Para Dichlorobenzene CAS 106-46-7 99 Percent Purity for Industrial Odor Control Applications
Environmental Impact of Para-Dichlorobenzene (PDCB) Introduction Para-Dichlorobenzene (PDCB), also known as 1,4-Dichlorobenzene, is a chlorinated aromatic hydrocarbon commonly used in mothballs, air fresheners, and as a deodorizer. While effective in these applications, PDCB's environmental impact ...