Industrial chemicals · Taylor, TXTechnical Data Sheet
Aluminum Sulfate 50%
Technical · 50%
- CAS number
- 10043-01-3
- UN number
- UN3264
- Hazard class · packing group
- 8 · PG III
- Structure
Structure · PubChem - Grade
- Technical · 50%
- Signal word
- Danger
- Hazards
- Proper shipping name
- Corrosive liquid, acidic, inorganic, n.o.s. (Aluminum sulfate solution)
Identity & Composition
- Product Name
- Aluminum Sulfate 50%
- Alliance Code
- aluminum-sulfate-50
- Grade
- Technical
- Concentration
- 50%
- CAS Number
- 10043-01-3PubChem
- Formula
- —PubChem
- Molecular Weight
- —PubChem
- Product Type
- Solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (as available water-soluble Al2O3) | 8.0% min. | 8.09 % | — | Interpreted |
| Free Al2O3 | 0.01-0.2% | 0.108 % | — | Interpreted |
| Concentration (Aluminum Sulfate) | 50% | 50 % | — | Interpreted |
| Total soluble Al2O3 | 8.0-8.2% | 8.1 % | — | Interpreted |
| Water Soluble Iron (as Fe2O3) | 0.35% max. | 0.0020% | — | Interpreted |
| Arsenic (As) | <1.0 mg/kg | 0.17 mg/kg | ICP-MS (EPA 200.8) | Interpreted |
| Lead (Pb) | <1.0 mg/kg | 0.09 mg/kg | ICP-MS (EPA 200.8) | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
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 |
|---|---|---|
| Appearance | Clear, colorless to slightly amber liquid | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Odorless | Adjudicated |
| pH | 1.4–2.6 | Adjudicated |
| Density | 1.33 (50% w/w aqueous solution, 20 °C) | Published reference |
| Boiling Point | 101 °C (214 °F) (aqueous solution) | Adjudicated |
| Melting Point | -16 to -15 °C (3 to 5 °F), freezing point (aqueous solution) | Adjudicated |
| Flash Point | Not applicable | Adjudicated |
| Vapor Pressure | Similar to water (about 17 mmHg at 20 °C) | Adjudicated |
| Solubility (water) | Completely miscible with water | Adjudicated |
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 material ratings within 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 HCS 2024
- 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 (Al)OSHA 29 CFR 1910.1000
- ACGIH TLV
- —no canonical
- NIOSH REL
- 2 mg/m³ TWA (Al)NIOSH Pocket Guide
- NIOSH IDLH
- —no canonical
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Health & Fire Hazard
Acute Toxicology
- LD₅₀ Oral (rat)
- 1,930 to > 5,000 mg/kg (aluminum sulfate); product ATE about 3,900 mg/kgAdjudicated
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
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.
Applications
Coagulant and flocculant for water and wastewater treatment; paper sizing; pH reduction (pools, soil).Adjudicated
Restrictions on Use: For industrial and professional use. Potable-water use only where the specific lot is certified to NSF/ANSI 60.
Storage & Handling
- Recommended Storage
- Store in closed polyethylene, fiberglass or rubber-lined steel tanks or containers, never bare mild steel, aluminum or galvanized. Protect from freezing.Adjudicated
- 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
- Bases and alkalis (heat, aluminum hydroxide precipitate); non-acid-proof metals such as aluminum, copper, iron, mild steel and galvanized surfaces (corrosion, hydrogen); strong reducing agents.Adjudicated
- 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, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.6 | 2026-10-07 | Canonical data updated: 15 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-10-05 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-09-30 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 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.