Sodium Bisulfite 25% — Technical Grade

Name: Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)
Brand: Alliance Chemical
SKU: SK1-ZY6-BJA
Availability: InStock

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.

Email Bulk Quote Call (512) 365-6838

Technical Documents

SDS TDS COA

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.

Description
Product Documents
Chemical Profile

Product Overview

Sodium Bisulfite 25% Solution is a technical-grade liquid reducing agent used when buyers need controlled dechlorination, oxygen scavenging, and sulfur-based reduction in plant operations. This NaHSO3 solution is commonly selected for water treatment systems, RO pretreatment, wastewater programs, textile processing, and general industrial chemical use where consistent reducing strength matters.

The 25% concentration is easier to meter than dry sulfites and easier to handle than stronger concentrates for many day-to-day dosing programs. Alliance Chemical offers it in pack sizes from 1 quart through drums and totes, which makes it practical for bench testing, maintenance work, and continuous plant supply.

Why Buyers Choose 25%

Ready for routine dosing: 25% strength is a practical choice for facilities that want manageable reducing power without moving straight to a heavier concentrate.
Built for dechlorination programs: Commonly used to reduce residual chlorine before discharge, membrane contact, or downstream treatment.
Flexible scale: Available from small packs to bulk totes for pilot work, maintenance teams, and full production operations.

Common Commercial Uses

Water and wastewater treatment: Residual chlorine reduction, dechlorination, and general redox control.
Reverse osmosis pretreatment: Used ahead of membrane systems where chlorine removal is required.
Textile and bleaching workflows: Used as an antichlor and reducing solution in process cleanup steps.
Chemical processing: Applied where a liquid sulfite reducing agent is needed in controlled industrial workflows.
Boiler and utility systems: Used in oxygen-scavenging and corrosion-control programs where the operating chemistry calls for bisulfite.

Handling & Storage

Store tightly closed in compatible containers in a cool, ventilated area away from direct sunlight, oxidizers, and strong acids. Use appropriate PPE including chemical-resistant gloves, eye protection, and protective clothing. Because bisulfite solutions can release sulfur dioxide under acidic conditions, operators should review the SDS before transfer, dilution, or plant use.

Shipping & Documentation

Available in 1 Quart, 1 Gallon, 5 Gallon, 15 Gallon, 55 Gallon, 275 Gallon, and 330 Gallon packaging. SDS, TDS, and lot-specific COA support are available to help purchasing, EHS, and plant teams move faster.

Related Products

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 NaHSO3, 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:UN1993 (Flammable Liquid, N.O.S.), Hazard Class3 (Flammable), Packing GroupII/III. 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.

Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3)

Other Grades & Concentrations

Other Grades & Concentrations

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