Sodium Formaldehyde Sulfoxylate, Sodium Hydroxymethanesulfinate, Acidic Reductant, Rongalit C, Decolite, Bruggolite E01, Bruggolite L40, SFS, 149-44-0, 6035-47-8

Sodium Formaldehyde Sulfoxylate, Sodium Hydroxymethanesulfinate, Acidic Reductant, Rongalit C, Decolite, Bruggolite E01, Bruggolite L40, SFS, 149-44-0, 6035-47-8

Sodium Formaldehyde Sulfoxylate (Rongalit C) & Derivatives
Product Group: Reducing Agents / Redox Activators

1. IDENTITY & CHEMICAL PROPERTIES

2. APPLICATIONS

Textile

• Reducing agent for VAT dyes (solubilizes dye and fixes to fabric)

• Stripping / discharge processes (removes excess dye and chemicals)

• Imparts softness and flexibility to fabrics

Rubber & Plastics

• Redox activator (accelerates polymerization)

• Polymerization regulator / catalyst (controls chain structure)

• Emulsion polymerization (reducing agent in redox-catalyzed systems)

Paints & Adhesives

• Paint raw material (as reducing agent)

• Food packaging adhesives (emulsifier, stability enhancer)

Food & Packaging

• Bleaching agent (soap, molasses production)

• Catalyst / emulsifier – for food-contact rubber, paperboard, cap seals

Pharmaceutical

• Antioxidant (prevents oxidation)

• Active ingredient – in drugs for mercury poisoning treatment

3. PRODUCT VARIANTS & FORMULATIONS

4. TYPICAL DOSAGE BY INDUSTRY

5. STORAGE, HANDLING & SAFETY

• Storage: Keep in a cool, dry, well‑ventilated area, in original packaging, away from strong oxidizers.

• Stability: Stable under normal conditions; avoid excessive heating (may release toxic fumes).

• Personal Protective Equipment (PPE): Dust mask, chemical‑resistant gloves, safety goggles.

• Transport: Protect powder forms from moisture and vibration; use sealed IBC/tanker for liquid L40.

6. PACKAGING OPTIONS

7. KEY ADVANTAGES (Summary)

• High reactivity – effective at low dosages

• Wide pH compatibility (acidic and alkaline media)

• Formaldehyde‑free options – zero VOC, FDA approved, non‑yellowing

• Dust‑free formulations – safer and cleaner handling

• Liquid option (L40) – no dissolving required, direct dosing

Note: This Technical Data Sheet is for information purposes only. The user is responsible for testing the product under their specific conditions. Recommended dosages are starting points; process optimization may be required.

Bruggolite E01

Bruggolite E01 is a dust-free, fast-dissolving reducing agent produced by Brüggemann. It is effective in acidic, neutral, and alkaline pH conditions and can be used with all common oxidizing agents such as peroxides. It is suitable for both primary and post-polymerization stages.

Superior Features of Bruggolite E01

• Dust-Free Structure: Although it is a powder/granule, its dust-free property improves occupational safety and keeps the working environment clean.

• Fast Dissolution: Quickly disperses in textile baths, providing homogeneous distribution and saving production time.

• High Purity and Stability: Low impurity level ensures consistent reaction results.

• pH Tolerance: Shows higher reactivity in acidic conditions but also has good alkali resistance.

• Long Shelf Life: 24 months when stored dry at 25°C, offering flexibility in inventory management.

Dosage Information: For post-polymerization, use 0.05-0.2% of total formulation.

Detailed Comparison: Bruggolite E01, L40, and Rongalit C

Comparative Assessment

• Bruggolite E01 offers the highest active matter content and longest shelf life. Its dust-free nature, high purity, and ease of use provide the best cost-performance balance for industrial applications.

• Bruggolite L40 provides operational convenience as a ready-to-use liquid, but lower active content may increase logistics and storage costs.

• Rongalit C is a general industrial chemical. It can be cost-effective but does not offer the process improvements such as dust-free handling and high purity.

Application Recipes and Examples

1. Discharge Printing – Colored Pattern on White Background

Discharge printing is a common textile technique where Rongalit C or Bruggolite E01 is the critical component.

Example Discharge Printing Paste Recipe (for vat-dyed fabrics):

Application Process:

1. Print the discharge paste onto the pre-dyed fabric.

2. Dry the fabric, then steam at 102-105°C for 6-10 minutes (wet steaming).

3. After steaming, cool the fabric in air; the discharged areas turn white.

4. Apply washing and finishing steps.

2. Emulsion Polymerization – Redox System Application

In the textile, paper, paint, and adhesive industries, Bruggolite E01 is used together with an oxidizing agent such as hydrogen peroxide to form a redox initiator system.

Example Recipe for Emulsion Polymerization (Post-Polymerization Stage):

1. Load monomers and water into the reactor.

2. Heat the reactor and add stabilizers/emulsifiers.

3. Add oxidizing agent (initiator): e.g., ammonium persulfate (APS) or hydrogen peroxide.

4. Add reducing agent – Bruggolite E01 – at 0.05-0.2% of total formulation weight, either in one shot or gradually.

5. Start the reaction by mixing; exothermic polymerization occurs.

6. Result: high-quality polymer emulsion with low residual monomer level.

Alternatives to Sodium Formaldehyde Sulfoxylate Products

The most important alternatives to products containing sodium formaldehyde sulfoxylate (such as Bruggolite E01/L40) are formaldehyde-free reducing agents. Brüggemann is a leader in this area.

Additional Remarks:

• For applications requiring highest quality and stability, Bruggolite E01 is the optimal choice.

• If formaldehyde sensitivity is a concern (e.g., for food-contact or low-VOC requirements), Bruggolite FF6 M is the recommended alternative.

Summary and Conclusion

Bruggolite E01 is the most advanced version of the Rongalit C family. Its dust-free and fast-dissolving nature, high purity, and long shelf life distinguish it from other alternatives. The liquid form (Bruggolite L40) offers operational simplicity, while classic Rongalit C provides a more basic and economical solution.

For alternative needs, formaldehyde-free products such as Bruggolite FF6 M represent the latest technology, responding to increasing environmental and health regulations.

Final Recommendation: For industrial users seeking high efficiency, process safety, and superior quality, Bruggolite E01 is the strongest and most user-friendly option within the Rongalit C family.

Documents

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• BRUGGOLITE E01 TDS.pdf
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