Product Overview
Soda Ash — sodium carbonate (Na₂CO₃) — is a white, odorless, water-soluble salt used across a wide range of industrial processes. This Technical Grade product is offered in pack sizes from 2 lbs through 50 lbs, making it accessible for both bench-scale trials and ongoing production use. Its primary value: strong alkalinity in solution, which makes it effective wherever a process needs pH elevation, calcium sequestration, or a reliable carbonate source.
If you operate a glass batch plant, a municipal water system, a textile dyehouse, or a detergent formulation line, this is the workhorse alkali you already know. Technical Grade sodium carbonate is procured for industrial process work where the application itself — not a published purity monograph — defines the fitness requirement.
Why This Grade
Technical Grade means the product is manufactured and supplied for industrial process use. It is the standard procurement grade for applications like glass batching, water treatment pH adjustment, and detergent building, where the process tolerances are well understood and do not demand a tighter analytical specification.
Choosing Technical Grade over a higher-purity designation typically lowers per-pound cost while still delivering the alkalinity and buffering capacity the process requires. If your operation calls for a reagent-grade specification tied to a published analytical standard, confirm that Technical Grade meets your internal quality requirements before ordering. For most industrial-scale work — raising pH in a clarifier, fluxing silica in a furnace, or building surfactant formulations — Technical Grade is the appropriate and cost-effective choice.
Chemical Profile
Sodium carbonate has the molecular formula Na₂CO₃ (CAS 497-19-8) and a molecular weight of 105.988 g/mol. It is a solid at ambient conditions, typically encountered as a dry powder or as pellets and large crystals. The material is odorless and has a density of 2.54 g/cm³. It is freely soluble in water and insoluble in ethanol — a solubility profile that makes it straightforward to dose into aqueous systems at controlled concentrations. These properties also mean it must be stored away from moisture to prevent caking and premature dissolution.
Industrial Applications
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Glass Manufacturing — Soda ash acts as a flux in the glass batch, lowering the melting point of silica (SiO₂) so the furnace can operate at practical temperatures. It is the single largest raw-material input in soda-lime glass production. Batch operators weigh it against silica sand and limestone in fixed ratios dictated by the glass formula.
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Water Treatment — Municipal and industrial water treatment plants use sodium carbonate to raise pH and alkalinity in raw or process water. It buffers acidic feed water, aids coagulation and flocculation, and helps control corrosion in distribution piping. Operators dose it as a dry feed or dissolve it in a day tank for metered injection.
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Detergent Production — In powder and liquid detergent formulations, soda ash serves as a builder — it softens wash water by sequestering calcium and magnesium ions, which lets surfactants work more efficiently. It also contributes alkalinity that helps break down greasy soils.
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Textile Processing — Dyehouses use soda ash as a pH adjuster and dye fixative, particularly with reactive dyes on cellulose fibers. Maintaining the correct alkaline bath pH drives the covalent bond between dye and fiber, improving wash-fastness and color yield.
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Food Processing — Sodium carbonate is used in certain food-processing operations as a pH regulator and process aid. Note that this listing is Technical Grade; buyers whose process requires a food-grade or USP-grade specification should confirm fitness with their quality team before use.
Handling & Storage
Soda ash carries a Warning signal word and the hazard statement H319: Causes serious eye irritation (per the product's GHS classification). Wear chemical splash goggles and gloves when handling the dry powder or its solutions. In dusty operations — scooping, dumping bags, or pneumatic transfer — use a dust mask or respirator rated for nuisance particulates, and ensure the work area has adequate ventilation to keep airborne dust below occupational exposure limits.
Store soda ash in a cool, dry area in sealed containers. The material is hygroscopic and will absorb atmospheric moisture, leading to caking and loss of free-flowing character. HDPE drums, lined fiber drums, and sealed poly bags are all compatible. Keep it separated from strong acids — contact produces an exothermic reaction with vigorous CO₂ evolution, which can pressurize a sealed container.
Hazmat & Shipping
Soda ash (sodium carbonate) is not classified as a DOT hazardous material for transport. It carries no UN number, no hazard class, no packing group, and no proper shipping name under the Hazardous Materials Table (per 49 CFR 172.101). Standard ground, air, and ocean carriers can accept it without hazmat placarding or shipping papers typically required for regulated goods.
While the transport classification itself does not impose hazmat restrictions, individual carriers may apply their own handling surcharges or routing rules. The GHS classification (H319, eye irritation) still applies at the receiving end — ensure your facility's receiving team has the SDS on hand and appropriate PPE available.
Shipping and regulatory guidance reviewed by Andre Taki, DOT Hazmat Specialist.
Documentation
A Safety Data Sheet (SDS) ships with every order — available in English, Spanish, French, and Japanese. A lot-specific Certificate of Analysis (COA) is also available on request, providing the analytical data tied to your specific shipment. A Technical Data Sheet (TDS) with product specifications is available as well. If you need documentation before placing an order, contact us and we will send it promptly.
Why Buy from Alliance Chemical
This product ships as a non-regulated material — no hazmat placarding, no UN marking — which simplifies your inbound logistics. We offer it in sizes from 2 lbs for small-batch work up to 50 lbs for ongoing production, so you can match your purchase to your actual consumption rate without overcommitting to bulk inventory.
Alliance Chemical has served over 50,000 customers since 1998, distributing industrial chemicals from our warehouse in Taylor, Texas. We operate under USDOT registration #2188383 and ship most in-stock orders within 1–2 business days.
