Saccharin Sodium
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Saccharin Sodium

Sweeteners
6155-57-3
E954
C₇H₄NO₃S · Na
$5.51 ~ $8.27
Food
Free sample from 100g(NF)
One unit of:25kg/bag
25kg/bag
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Product Info

What is Saccharin Sodium?

Saccharin Sodium is a widely used high-intensity artificial sweetener, derived from the sodium salt of saccharin, that is primarily used globally as a non-caloric sugar substitute in foods, beverages, and pharmaceuticals.

How is Saccharin Sodium made?

Step No. Production Stage Key Action Control Point & Note
1 Sulfonation Reacting Toluene with Chlorosulfonic acid to produce a mixture of o- and p-toluenesulfonyl chloride. Temperature control is critical to manage the reaction rate and maximize the yield of the desired ortho-isomer, which is the precursor for saccharin.
2 Isomer Separation Separating the liquid ortho-toluenesulfonyl chloride from the solid para-isomer, typically via low-temperature filtration or centrifugation. The efficiency of separation directly impacts the purity of the intermediate. Complete removal of the para-isomer is essential to prevent unwanted by-products.
3 Amidation Treating the purified ortho-toluenesulfonyl chloride with ammonia to form ortho-toluenesulfonamide (o-TS). Monitor reaction pressure and temperature. Ensure complete reaction to minimize residual unreacted starting material, which can affect final purity.
4 Oxidation & Cyclization Oxidizing the o-TS with a strong agent (e.g., sodium dichromate or potassium permanganate) in an alkaline solution to form insoluble saccharin acid. The pH, temperature, and rate of oxidant addition must be strictly controlled. This is a key step that forms the core saccharin ring structure.
5 Neutralization (Salt Formation) Reacting the purified, insoluble saccharin acid with a sodium source, such as sodium hydroxide or sodium carbonate, in water. This converts the insoluble acid into the highly water-soluble sodium salt. The final pH must be carefully adjusted to ensure complete conversion without excess alkalinity.
6 Decolorization & Filtration Treating the sodium saccharin solution with activated carbon to remove color and trace organic impurities, followed by fine filtration. The amount of carbon and contact time are key. Filtration must be thorough to remove all carbon particles, which would otherwise contaminate the final product.
7 Crystallization & Drying Concentrating the purified solution (e.g., via evaporation) and cooling it to induce crystallization. The resulting crystals are centrifuged and dried. The cooling rate influences crystal size. Drying temperature and vacuum level must be controlled to achieve the target moisture content without product degradation.
8 Sieving & Quality Control Sieving the dried product through specific mesh screens to ensure a uniform particle size. Final product is sampled for comprehensive analysis. Final QC testing for purity (assay), heavy metals, arsenic, and microbiologicals is mandatory to meet food-grade or pharmacopeial standards (e.g., USP/FCC).
9 Packaging Filling the finished Sodium Saccharin into clean, dry, food-grade, sealed containers in a controlled, hygienic environment. Packaging must protect the product from moisture and external contamination. Proper labeling with batch number, manufacturing date, and expiry date is crucial for traceability.

Technical Specifications

CAS Number 6155-57-3
Chemical Formula C₇H₄NO₃S · Na
Solubility Highly soluble in water (~200–1000 g/L @25 °C); sparingly soluble in ethanol
Storage Conditions Cool, dry, sealed; avoid moisture
Shelf Life 24 Months

Applications & Usage

Common Applications:

Diet sodas
tablets
gums
jams
medicine coatings
oral hygiene products
baked goods

Mechanism of action:

Parameter Saccharin Sodium
Functional Category High-Intensity Sweetener; Non-nutritive Sweetener
Key Ingredients Sodium 2-sulfobenzoic acid imide dihydrate (Sodium Saccharin)
Mechanism of Action Binds to and activates the TAS1R2/TAS1R3 heterodimer G-protein coupled sweet taste receptors on the tongue. This activation triggers a downstream signaling cascade (via gustducin, adenylyl cyclase, and cAMP), leading to depolarization of the taste receptor cell and the perception of intense sweetness without providing metabolizable energy.
Application Effect in Product Provides intense sweetness (approx. 300-400x sucrose) without adding calories or carbohydrates. Stable under heat and acidic conditions, making it suitable for diet beverages, baked goods, tabletop sweeteners, and pharmaceuticals. May impart a slight bitter or metallic aftertaste at high concentrations.


Comparison:

Product Name Category/Type Key Features Strengths (vs peers) Weaknesses (vs peers) Best Use Cases Why Choose
Saccharin Sodium Artificial Sweetener (Sulfonamide) 200–700x sweeter than sucrose; Non-caloric; Highly heat-stable. Extremely low cost; Excellent stability in heat and acidic conditions; Long shelf life. Noticeable bitter or metallic aftertaste, especially at high concentrations. Baked goods, diet soft drinks, tabletop sweeteners, pharmaceuticals, toothpaste. For maximum cost-effectiveness and process stability where aftertaste can be masked or tolerated.
Aspartame Artificial Sweetener (Dipeptide) ~200x sweeter than sucrose; Metabolized to provide minimal calories; Clean taste. Very clean, sugar-like flavor with little to no aftertaste; Enhances fruit flavors. Loses sweetness when heated (not heat-stable); Not suitable for individuals with phenylketonuria (PKU). Cold beverages (diet sodas), yogurt, chewing gum, tabletop sweeteners, cold cereals. For a superior sugar-like taste in applications that do not involve heating.
Sucralose Artificial Sweetener (Chlorinated Sucrose) ~600x sweeter than sucrose; Non-caloric; Made from sugar; Highly heat-stable. Excellent heat and pH stability; Widely considered to have a very sugar-like taste; Versatile. More expensive than saccharin and aspartame; Some perceive a slight chemical note. Baking, cooking, beverages, canned goods, protein powders; highly versatile for home and industrial use. For a heat-stable, versatile sweetener with a good taste profile suitable for a broad range of foods.
Acesulfame Potassium (Ace-K) Artificial Sweetener (Salt) ~200x sweeter than sucrose; Non-caloric; Heat-stable; Often used in blends. High stability; Works synergistically with other sweeteners to improve taste and reduce aftertaste. Can have a bitter aftertaste on its own at higher concentrations. Blended in diet sodas, powdered drinks, protein supplements, and baked goods. To create a more balanced, sugar-like sweetness profile by blending with other sweeteners.
Stevia (Rebaudioside A) Natural High-Intensity Sweetener 200–400x sweeter than sucrose; Non-caloric; Plant-derived; Heat-stable. Natural, plant-based origin appeals to "clean label" consumers; Zero glycemic index. Can have a pronounced bitter or licorice-like aftertaste; Higher cost than most artificial options. "Natural" beverages, tabletop sweeteners, yogurts, health-focused products. When a natural, plant-derived, zero-calorie sweetener is the primary requirement for marketing or formulation.

Technical Documents

Available Documentation

Spec Sheet, COA, MSDS available

Safety Data Sheet (SDS)

MSDS available

Certificate of Analysis (COA)

Quality assurance documentation

Technical Data Sheet

Detailed technical specifications