Industrial chemicals · Taylor, TXTechnical Data Sheet
Aluminum Sulfate 50%
Technical · 50%
Identity & Composition
- Product Name
- Aluminum Sulfate 50%
- Alliance Code
- aluminum-sulfate-50
- Grade
- Technical
- Concentration
- 50%
- CAS Number
- 10043-01-3PubChem
- Formula
- Al2O12S3PubChem
- Molecular Weight
- 342.2PubChem
- Product Type
- solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (as available water-soluble Al2O3) | 8.0% min. | 50.0 % | — | Supplier specification |
| Free Al2O3 | 0.01-0.2% | 0.105 % | — | Supplier specification |
| Concentration (Aluminum Sulfate) | 50% | 50 % | — | Supplier specification |
| Total soluble Al2O3 | 8.0-8.2% | 8.1 % | — | Supplier specification |
| Water Soluble Iron (as Fe2O3) | 0.35% max. | 0.003% | — | Supplier specification |
| Arsenic (As) | <1.0 mg/kg | 0.2 mg/kg | ICP-MS (EPA 200.8) | Interpreted |
| Lead (Pb) | <1.0 mg/kg | 0.1 mg/kg | ICP-MS (EPA 200.8) | Interpreted |
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
| Property | Value | Source |
|---|---|---|
| Appearance | Clear to slightly amber liquid | Published reference |
| Form | Liquid | Published reference |
| Odor | Odorless | Published reference |
| pH | 3.0 - 3.6 | Interpreted |
| Specific Gravity (20 °C) | 1.3268 g/mL | Vendor COA |
| Density | 1.33 (50% w/w aqueous solution, 20 °C) | Published reference |
| Boiling Point | ~105 °C (dilute aqueous) | Published reference |
| Melting Point | Not characterized for the 50% solution | Published reference |
| Flash Point | Not flammable | Published reference |
| Vapor Pressure | Essentially zero | Published reference |
| Solubility (water) | Miscible with water | Published reference |
Materials of ConstructionService envelope ≈ 50%
| Material | Rating | Max T (°C) | Notes | Source |
|---|---|---|---|---|
Buna-N (NBR) elastomer | Good | 60 | Acceptable | Cole-Parmer Chemical Compatibility |
EPDM elastomer | Excellent | 100 | Standard for brine gaskets. | Parker O-ring Chemical Compatibility |
Viton (FKM) elastomer | Excellent | 100 | Preferred elastomer | Cole-Parmer Chemical Compatibility |
Borosilicate Glass glass ceramic | Excellent | 100 | Universally inert to salt solutions. | Cole-Parmer Chemical Compatibility |
Concrete (sealed) glass ceramic | Good | — | Acceptable with epoxy coating | Cole-Parmer Chemical Compatibility |
304 stainless steel metal | Fair | 25 | Pitting in chloride-rich service | Cole-Parmer Chemical Compatibility |
316L Stainless Steel metal | Good | 60 | Watch for chloride pitting above 60 °C in chloride salts. | NACE Chloride Pitting Guidelines |
Aluminium metal | Poor | — | Pitting; not recommended for brine | Cole-Parmer Chemical Compatibility |
Carbon steel metal | Poor | — | Rapid rust in brine | Cole-Parmer Chemical Compatibility |
FRP thermoplastic | Excellent | 60 | Common bulk-storage | Cole-Parmer Chemical Compatibility |
HDPE thermoplastic | Excellent | 60 | Universal salt brine compatibility. | Cole-Parmer Chemical Compatibility |
PP thermoplastic | Excellent | 80 | Acceptable for hot brine | Cole-Parmer Chemical Compatibility |
PVC thermoplastic | Excellent | 60 | Standard for brine piping. | Cole-Parmer Chemical Compatibility |
Ratings reflect the service envelope (concentration × temperature) shown. Always confirm against your specific duty cycle and contact-time before equipment selection. The most cautious rating across overlapping references is shown.
Materials Selection Tool
Showing 13 of 13 materials compatible at the selected envelope.
| Material | Rating | Max T (°C) | Notes |
|---|---|---|---|
Buna-N (NBR) elastomer | Good | 60 | Acceptable |
EPDM elastomer | Excellent | 100 | Standard for brine gaskets. |
Viton (FKM) elastomer | Excellent | 100 | Preferred elastomer |
Borosilicate Glass glass ceramic | Excellent | 100 | Universally inert to salt solutions. |
Concrete (sealed) glass ceramic | Good | — | Acceptable with epoxy coating |
304 stainless steel metal | Fair | 25 | Pitting in chloride-rich service |
316L Stainless Steel metal | Good | 60 | Watch for chloride pitting above 60 °C in chloride salts. |
Aluminium metal | Poor | — | Pitting; not recommended for brine |
Carbon steel metal | Poor | — | Rapid rust in brine |
FRP thermoplastic | Excellent | 60 | Common bulk-storage |
HDPE thermoplastic | Excellent | 60 | Universal salt brine compatibility. |
PP thermoplastic | Excellent | 80 | Acceptable for hot brine |
PVC thermoplastic | Excellent | 60 | Standard for brine piping. |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN326449 CFR 172.101
- Hazard Class
- 8Adjudicated
- Packing Group
- IIIAdjudicated
- Proper Shipping Name
- Corrosive liquid, acidic, inorganic, n.o.s. (Aluminum sulfate solution)Adjudicated
GHS / OSHA HazCom 2012
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H290, H314Adjudicated
- P-Codes (Precautionary Statements)
- P234, P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P390, P391, P405, P406, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 2 mg/m³ TWA (as Al, soluble compounds)OSHA 29 CFR 1910.1000
- ACGIH TLV
- —no canonical
- NIOSH REL
- 2 mg/m³ TWA (as Al, soluble salts)NIOSH Pocket Guide
- 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 Aluminum Sulfate 50%. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Application Guidance
Aluminum Sulfate 50% (Technical) is supplied across multiple grades. Grade selection drives the appropriate end-use — food/pharma, technical, or specialty.
- Brine production and de-icing
- Concrete and construction (set acceleration, dust control)
- Food and beverage applications (food-grade only)
- Oilfield and drilling fluid additive
- Chemical manufacturing precursor
Often hygroscopic — store in sealed containers, control humidity. Hydrate form (anhydrous vs di/hexa-hydrate) affects mass-equivalent dosing.
Storage & Handling
- Recommended Storage
- Cool, dry area in sealed containers. Many salts are hygroscopic — protect from atmospheric moisture, which can cause caking, hydrate formation, or reduced flow.Class-level guidance — not product-specific; the SDS controls.
- Handling Precautions
- Standard chemical PPE — dust mask and goggles for handling of fine grades. Avoid generating airborne dust.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Specific incompatibilities depend on the salt — consult the SDS. Many salts react with strong acids to release gases.Class-level guidance — not product-specific; the SDS controls.
- Shelf Life
- Consult Technical Services for product-specific shelf life
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)
UN3264, Corrosive liquid, acidic, inorganic, n.o.s. (Aluminum sulfate solution), 8, PG III
Sourced from 49 CFR 172.101. 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 |
|---|---|---|---|
| 1.3 | 2026-08-05 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 9 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.