Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)

Category : Salts

$20.96
Quantity
Size:
Variation:
Other Grades & Concentrations

Available in other grades and concentrations:

Sodium Bisulfite 40% ACS Grade
From $25.00
CAS: 7631-90-5 HNaO3S
Sodium Bisulfite 15% ACS Grade
From $22.07
CAS: 7631-90-5 HNaO3S
Sodium Bisulfite 10% ACS Grade
From $21.36
CAS: 7631-90-5 HNaO3S
Sodium Bisulfite 40%
From $22.00
CAS: 7631-90-5 HNaO3S
$20.96
Other Grades & Concentrations

Available in other grades and concentrations:

Sodium Bisulfite 40% ACS Grade
From $25.00
CAS: 7631-90-5 HNaO3S
Sodium Bisulfite 15% ACS Grade
From $22.07
CAS: 7631-90-5 HNaO3S
Sodium Bisulfite 10% ACS Grade
From $21.36
CAS: 7631-90-5 HNaO3S
Sodium Bisulfite 40%
From $22.00
CAS: 7631-90-5 HNaO3S

Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)

$20.96

Commercial Fulfillment Snapshot

Buy Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) with faster decisions and fewer back-and-forth emails.

Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.

Technical Documents

Lot-specific COA is issued per shipment batch.

Who Buys This
  • Water treatment companies
  • Food processing facilities
  • Chemical manufacturing plants
  • Textile processing operations
  • quality testing laboratories
Purity / Grade Guide
  • Technical grade for industrial use
  • 25% concentration verified by COA range
  • Cost-effective reducing agent solution
  • COA verified quality specs
Pack Sizes
  • 1 Quart: lab & small jobs
  • 1 Gallon: shop & maintenance
  • 5 Gallon: production & regular use
  • 15 Gallon: mid-volume operations
  • 55 Gallon: bulk drum
  • 275 Gallon: high-volume tote
  • 330 Gallon: max-volume tote
SDS / COA / TDS
  • UN 2693 Class 8 packaging
  • Complete SDS safety data
  • COA with every shipment
  • Technical grade specifications
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Why Sodium Bisulfite 25% Solution – Technical Grade

Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) is an aqueous, clear to pale yellow liquid formulated specifically for industrial and environmental operations requiring a ready-to-dose reducing agent. The exact 25% concentration provides an optimal balance between chemical activity and cold-weather handling stability, significantly lowering the risk of line crystallization and pumping failures often associated with higher saturation levels. Because it is delivered as a fully dissolved liquid, this technical grade chemical eliminates the hazardous dust generation, lengthy dissolution times, and incomplete mixing issues inherent to dry inorganic powders. The product is entirely soluble in water and alcohol, ensuring immediate dispersion and rapid reaction kinetics in time-sensitive industrial processes.

Best Applications for This Grade

  • Commonly applied in large-scale municipal and industrial wastewater treatment facilities as a rapid-acting dechlorination agent to neutralize free and combined chlorine residuals prior to final effluent discharge into natural waterways.
  • Functions as a targeted oxygen scavenger commonly applied in industrial boiler water systems, where it continuously reacts with dissolved oxygen to halt oxidative corrosion and extend the operational lifespan of internal metal pipes and heating surfaces.
  • Serves as a critical reducing agent commonly applied in metal finishing and electroplating facilities, specifically engineered to reduce hazardous hexavalent chromium to the easier-to-manage trivalent chromium state for subsequent precipitation and removal.
  • Commonly applied in textile bleaching and paper manufacturing processes as an antichlor, actively neutralizing residual peroxide or chlorine to halt the bleaching reaction and prevent ongoing degradation of the cellulose or fabric fibers.

When to Choose a Different Grade

  • If your operation processes high-volume water treatment and requires a more concentrated solution to reduce freight costs and minimize inventory footprint, evaluate Sodium Bisulfite 40%.
  • If your environmental application demands an oxidizing agent rather than a reducing compound, particularly for complex odor control or specialized water treatment protocols, consider Sodium Chlorite Flakes 80% - Technical Grade.
  • If your facility is better equipped to handle dry inorganic salts, or if your specific application involves photographic processing and cyanide neutralization, Sodium Thiosulfate is the appropriate alternative.
  • If your formulation requires a chelating agent to bind dissolved heavy metal ions in industrial cleaning solutions rather than a chemical reducer, Trisodium EDTA provides the necessary molecular structure.
Property Value
Molecular Weight 104.06
Formula NaHSO3
Assay 24-26%
Grade Technical Grade
Flash Point Not applicable (aqueous solution; not classified as flammable)
Form Liquid
Solubility Soluble in water
Appearance Colorless to pale yellow liquid
Specific Gravity 1.10
Industry Environmental, Food & Beverage, Chemical Manufacturing, Laboratory, Textiles

Frequently Asked Questions About Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)

What is Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) and what is its chemical formula?
Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) is a chemical compound with the molecular formula HNaO3S, registered under CAS Number 7631-90-5 by the Chemical Abstracts Service (PubChem), with a molecular weight of 104.06 g/mol. Alliance Chemical supplies Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) in Technical grade for laboratory, industrial, and commercial applications.
What are the physical properties of Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
According to the NIOSH Pocket Guide to Chemical Hazards, Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) is supplied as a clear, colorless to pale yellow liquid.. It has a flash point of Not applicable (aqueous solution; not classified as flammable). The specific gravity is 1.22 relative to water. Solubility: Soluble in water and alcohol.
What grade and purity of Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) does Alliance Chemical offer?
Alliance Chemical offers Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) in Technical grade with a purity assay of 25%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) serves a wide range of sectors, including Industrial & Manufacturing, and Water & Environmental.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
OSHA-mandated PPE per 29 CFR 1910.132-138:Nitrile gloves (8+ mil), safety goggles, flame-resistant clothing, grounded footwear, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:oxidizers, ignition sources. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Absorb with vermiculite or commercial spill kits. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
DOT Classification per 49 CFR 172.101:UNUN2693, Hazard Class8, Packing GroupIII. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D001 (Ignitable, flash point <60°C). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3). The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.