Industrial chemicals · Taylor, TXTechnical Data Sheet
Soda Ash Technical Grade
Technical
Identity & Composition
- Product Name
- Soda Ash Technical Grade
- Alliance Code
- soda-ash
- Grade
- Technical
- Concentration
- —
- CAS Number
- 497-19-8PubChem
- Formula
- CNa2O3PubChem
- Molecular Weight
- 105.988PubChem
- Product Type
- pure_substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay, Sodium Carbonate (Na2CO3) | 99.2% Minimum | 99.8 % | — | Supplier specification |
| Sodium Chloride (NaCl) | 1,000 ppm Maximum | 150 ppm | — | Supplier specification |
| Iron (Fe) | 20 ppm Maximum | 4 ppm | — | Supplier specification |
| Loss on ignition, 27 - 300 C | max. 0.4 % | 0.12 % | — | Supplier specification |
| Organic matter (as C) | 0.01 % Max | 0.003 % | — | Supplier specification |
| Screen analysis, U.S. Standard sieves (dense soda ash) | On 30 mesh (>600 micron): 5.0% Maximum cumulative; On 100 mesh (>150 micron): 85.0% Minimum cumulative; Through 200 mesh (<75 micron): 3.0% Maximum through | Passes test | — | Supplier specification |
| Silica (SiO2) | 0.03 % Max | 0.008 % | — | Supplier specification |
| Sodium Carbonate (as Na2CO3) | 99.2% Minimum | 99.8 % | — | Supplier specification |
| Sodium Oxide (Na2O) | 58.0% Minimum | 58.4 % | — | Supplier specification |
| Matter insoluble in water | Max. 0.15% (% Mass, dry basis) | 0.02 % | ASTM E359 | Supplier specification |
| Sodium Sulfate (Na2SO4) | 2,000 ppm Maximum | 400 ppm | — | Supplier specification |
| Volatiles | 0.80% Maximum | 0.06 % | — | Supplier specification |
| Volatile matter (moisture, at time of manufacture and packing) | Max. 0.8% (% Mass) | 0.06 % | ASTM E359 | Supplier specification |
Specification values are guaranteed limits. Typical values are representative of production lots and are not guaranteed. Lot-specific certificates of analysis ship with every order.
Physical & Chemical Properties
One or more physical-property values are temporarily suppressed pending verification against vendor COA data. For complete properties refer to the Safety Data Sheet (SDS) or contact sales@alliancechemical.com.
| Property | Value | Source |
|---|---|---|
| Form | Solid | Published reference |
| Odor | Odorless | Published reference |
| pH | 11.2 - 11.6 | Interpreted |
| Density | 0.89 to 1.12 grams per cubic centimeter (56-70 pounds per cubic foot) | Supplier specification |
| Boiling Point | Decomposes on heating by CO2 loss | Published reference |
| Melting Point | 856 °C | Published reference |
| Flash Point | N/A | Published reference |
| Solubility (water) | Freely soluble in water. Insoluble in ethanol | Published reference |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- Not regulatedAdjudicated
- Hazard Class
- Not regulatedAdjudicated
- Packing Group
- Not regulatedAdjudicated
- Proper Shipping Name
- Not regulatedAdjudicated
GHS / OSHA HazCom 2012
- Signal Word
- WarningAdjudicated
- H-Codes (Hazard Statements)
- H319Adjudicated
- P-Codes (Precautionary Statements)
- P264, P280, P305+P351+P338, P337+P313Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- —no canonical
- NIOSH IDLH
- —no canonical
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Soda Ash Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Glass manufacturingtatachemicals.com
- Chemical intermediate / feedstock for other chemicalstatachemicals.com
- Soap and detergent formulationstatachemicals.com
- Water treatmenttatachemicals.com
- Flue gas desulfurizationtatachemicals.com
- Pulp and papertatachemicals.com
- Water treatment in accordance with AWWA Standard B201 for soda ash (claim made by Tata Chemicals for its dense ash)tatachemicals.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Protect against moisture and from getting wet; store bags or big bags on palettes, stacked no more than 2 layers. Soda ash may form soft, easily disintegrating lumps during storage and transport.nuroil.com
- Handling Precautions
- Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Consult the SDS for material-specific incompatibilities.Class-level guidance — not product-specific; the SDS controls.
- Shelf Life
- 18 monthsnuroil.comStored moisture-free; after the expiry date the product should be re-tested and may be used further if it still complies. (Note: the sentence appears on a Soda Ash Dense data sheet but reads "Soda Ash light" as printed.)
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.1 | 2026-07-17 | Canonical data re-verified: 7 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.