Acid neutralizing value
Use the supplier’s verified neutralizing value for each leavening acid to calculate the starting balance. American Society of Baking defines NV as pounds of base neutralized by 100 pounds of acid.
Baking soda · E500(ii) / INS 500(ii)
Food Grade Sodium Bicarbonate
Source food-grade baking soda by assay, carbonate impurity, particle-size distribution and leavening performance. Balance the bicarbonate against the complete acid system to control gas release, finished-product pH, color and taste.
- CAS
- 144-55-8
- Formula
- NaHCO3
- Food identity
- E500(ii) / INS 500(ii)
- Primary roles
- Leavening base · pH control
Share your baking acid system, particle-size target, application, destination and current specification.
Mild alkaliAcid balance drives pH
CO₂ source0.52 lb/lb theoretical
Particle-sensitiveSieve profile matters
Food qualificationSpecification + batch COA
Identity before application
What is food grade sodium bicarbonate?
Sodium bicarbonate—baking soda, bicarbonate of soda or sodium hydrogen carbonate—is the 84.01 g/mol sodium salt identified by JECFA as INS 500(ii). It is a mild alkaline powder used as a leavening agent and pH-control ingredient.
“Food grade” must be established for the exact source through its current specification, applicable food standard and lot COA. Feed, technical or cleaning grades are not interchangeable with this page.
Formulate the system, not the ingredient alone
How sodium bicarbonate works in chemical leavening
Moisture brings bicarbonate and a food acid into solution; their reaction releases carbon dioxide. Gas must be released while the batter or dough can retain it. Heat can also decompose bicarbonate, but an under-acidified formula can leave excess alkalinity and an undesirable “soda” taste.
Reaction rate
Acid type, temperature, moisture and mixing determine whether gas is released at the bench, during heating or in both stages. Measure bench loss and oven spring.
Particle distribution
Finer particles generally dissolve and react sooner but can dust, cake or agglomerate. Specify sieve fractions or D10/D50/D90 and test dispersion in the actual dry blend.
Finished-product pH
Residual alkalinity can change browning, spread, crumb color and flavor. Acid excess can suppress browning or leave tart notes. Set a product-specific pH window.
Do not publish a universal dosageRequired bicarbonate depends on acid quantity and NV, acidic formula ingredients, bicarbonate purity, process timing and target pH. Confirm the calculation with bench and line trials.
Application-specific acceptance tests
Where to qualify food grade baking soda
Cakes, muffins & quick breads
Track specific gravity, batter hold, volume, cell uniformity, crumb color, pH and alkaline aftertaste.
Cookies, biscuits & crackers
Measure spread, surface pH, browning, blistering, snap and flavor. More bicarbonate is not automatically more lift.
Baking powder & premixes
Match particle distribution with the acid system; test dry-blend uniformity, segregation, moisture pickup and package-to-package gas release.
Food pH adjustment
Validate dissolution, addition order, buffer demand, sodium contribution and sensory effect in the complete permitted food application.
Regulatory boundary: E/INS identity does not authorize every food category or use level. Confirm destination-market permission, label declaration and finished-food requirements.
Public standard ≠ Bespring supply promise
Reference specification and purchase controls
The values below summarize the cited 2006 JECFA identity and purity reference. They are not a Bespring product specification, offer or batch result. Obtain the current source-specific TDS and COA before approval.
| Field | JECFA reference | What the buyer should lock |
|---|---|---|
| Assay | ≥99.0% NaHCO3, dried basis | Method, reporting basis and batch result |
| Loss on drying | ≤0.25%; over silica gel, 4 h | Test method plus moisture/flow acceptance |
| pH | 8.0–8.6; 1-in-100 solution | Water, temperature and preparation method |
| Ammonium salts | Passes test | Method and explicit compliant result |
| Lead | ≤2 mg/kg | Destination limits, method and reporting limit |
| Particle size | No numerical limit in cited monograph | Sieve profile or D10/D50/D90 for the application |
| Process controls | Not a JECFA identity limit | Bulk density, flow, carbonate/chloride where required, blend behavior |
Current public-data decision: source document required
No verified Bespring sodium bicarbonate commercial specification was found in the reviewed page materials. Assay, packing, MOQ, origin, certifications and shelf life therefore remain request fields—not claims. Sales should issue the current source-specific document set.
FAO/WHO JECFA record
Independent identity and specification reference for sodium hydrogen carbonate.
Review the JECFA recordUS FDA food-substance record
CAS identity and technical-effect context, including leavening and pH control.
Review the FDA recordAvoid category confusion
Sodium bicarbonate vs. baking acids and other alkalis
Sodium bicarbonate
Supplies bicarbonate and sodium. Calculate against the total acid system and verify finished pH.
SAPP
A leavening acid, not baking soda. Select grade by neutralizing value and reaction rate.
MCP
A calcium-based leavening acid; phase, neutralizing value and timing determine its role.
Potassium carbonate
Different cation and stronger alkalinity; it is not a one-for-one bicarbonate replacement.
For multi-acid systems, see Bespring’s bakery leavening phosphate solutions and food phosphate blends.
Bench-to-line approval
How to qualify a sodium bicarbonate grade
- 1
Lock identity and market
Confirm food-grade source, E/INS name, destination standard, label name and permitted use.
- 2
Audit specification
Compare assay, moisture, pH, impurities, particle distribution, bulk density and methods.
- 3
Calculate acid balance
Use verified acid NV and account for all acidic ingredients; define the target batter or dough pH.
- 4
Run controlled trials
Compare gas timing, hold tolerance, volume, spread, structure, browning, taste and sodium.
- 5
Validate the production line
Check dosing, dust, segregation, mixer distribution, scrap rate and finished-product consistency.
- 6
Set receiving controls
Approve COA fields, sampling, retain samples, liners, shelf life and change-notification terms.
Buyer questions
Food grade sodium bicarbonate FAQ
Is sodium bicarbonate the same as baking soda?
Yes. Baking soda, bicarbonate of soda and sodium hydrogen carbonate are common names for NaHCO3. Food use still requires a qualified food-grade source.
Is baking soda the same as baking powder?
No. Baking soda is the bicarbonate base. Baking powder is a formulated system that normally contains bicarbonate, one or more leavening acids and a carrier.
How much sodium bicarbonate should be used?
There is no responsible universal answer. Calculate a starting point from each acid’s verified neutralizing value, then adjust through formula-specific pH, gas-release, sensory and line trials.
Why does particle size matter?
It influences dissolution, blend uniformity, dust, caking and reaction timing. Approve a full particle distribution and application performance, not “fine” or “coarse” wording alone.
What should a bulk sodium bicarbonate RFQ contain?
State food application, acid system and NV, particle distribution, target pH, quantity, packing, destination, required standards, documentation and delivery terms.
Substantive review: 2026-08-22 · Sources: FAO/WHO JECFA, US FDA and American Society of Baking.
Application-led sourcing
Request a food grade sodium bicarbonate review
Share the formula constraints that determine grade fit so the offer can be compared by evidence and performance.
- Application, acid system and neutralizing values
- Particle-size and bulk-density target
- Finished-product pH, color and gas timing
- Quantity, packing, destination and documents