Technical Data Sheet

Aluminum Sulfate 50%

50%

CAS Number
10043-01-3
Alliance Code
aluminum-sulfate-50
Generated
2026-06-02
Last reviewed 2026-05-20 by Hossein Taki, Vice President.

1. Identity & Composition

Product Name
Aluminum Sulfate 50%
Alliance Code
aluminum-sulfate-50
Grade
Concentration
50%
CAS Number
10043-01-3PubChem
Formula
Al2O12S3PubChem
Molecular Weight
342.2PubChem
Product Type
solution

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.

Form
SolidProduct record
Odor
ODORLESSProduct record
Density
2.71 at 68 °F 1.7 at 20 °C (USCG, 1999) - Denser than water; will sinkProduct record
Boiling Point
214 °F at 760 mmHg (USCG, 1999)Product record
Melting Point
3.9 °F (USCG, 1999)Product record
Flash Point
N/AProduct record
Vapor Pressure
Esentially zero.Product record
Solubility (water)
86.9 g/ 100 mlProduct record

Materials of ConstructionService envelope ≈ 50%

MaterialRatingMax T (°C)NotesSource
Buna-N (NBR)
elastomer
Good60AcceptableCole-Parmer Chemical Compatibility
EPDM
elastomer
Excellent100Standard for brine gaskets.Parker O-ring Chemical Compatibility
Viton (FKM)
elastomer
Excellent100Preferred elastomerCole-Parmer Chemical Compatibility
Borosilicate Glass
glass ceramic
Excellent100Universally inert to salt solutions.Cole-Parmer Chemical Compatibility
Concrete (sealed)
glass ceramic
GoodAcceptable with epoxy coatingCole-Parmer Chemical Compatibility
304 stainless steel
metal
Fair25Pitting in chloride-rich serviceCole-Parmer Chemical Compatibility
316 stainless steel
metal
Good50Pitting risk in hot brine; passivateCole-Parmer Chemical Compatibility
316L Stainless Steel
metal
Good60Watch for chloride pitting above 60 °C in chloride salts.NACE Chloride Pitting Guidelines
Aluminium
metal
PoorPitting; not recommended for brineCole-Parmer Chemical Compatibility
Carbon steel
metal
PoorRapid rust in brineCole-Parmer Chemical Compatibility
Carbon Steel
metal
FairChloride salts accelerate rust; coating required.Cole-Parmer Chemical Compatibility
FRP
thermoplastic
Excellent60Common bulk-storageCole-Parmer Chemical Compatibility
HDPE
thermoplastic
Excellent60Universal salt brine compatibility.Cole-Parmer Chemical Compatibility
PP
thermoplastic
Excellent80Acceptable for hot brineCole-Parmer Chemical Compatibility
PVC
thermoplastic
Excellent60Standard 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 15 of 15 materials compatible at the selected envelope.

MaterialRatingMax T (°C)Notes
Buna-N (NBR)
elastomer
Good60Acceptable
EPDM
elastomer
Excellent100Standard for brine gaskets.
Viton (FKM)
elastomer
Excellent100Preferred elastomer
Borosilicate Glass
glass ceramic
Excellent100Universally inert to salt solutions.
Concrete (sealed)
glass ceramic
GoodAcceptable with epoxy coating
304 stainless steel
metal
Fair25Pitting in chloride-rich service
316 stainless steel
metal
Good50Pitting risk in hot brine; passivate
316L Stainless Steel
metal
Good60Watch for chloride pitting above 60 °C in chloride salts.
Aluminium
metal
PoorPitting; not recommended for brine
Carbon steel
metal
PoorRapid rust in brine
Carbon Steel
metal
FairChloride salts accelerate rust; coating required.
FRP
thermoplastic
Excellent60Common bulk-storage
HDPE
thermoplastic
Excellent60Universal salt brine compatibility.
PP
thermoplastic
Excellent80Acceptable for hot brine
PVC
thermoplastic
Excellent60Standard for brine piping.

Regulatory & Transport

DOT / 49 CFR

UN Number
UN3264Vendor Label
Hazard Class
8Adjudicated
Packing Group
IIAdjudicated
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, H318, H335ECHA CLP Annex VI
P-Codes (Precautionary Statements)
P234, P260, P261, P264, P271, P280, P305+P351+P338, P310, P391, P405, P501ECHA CLP Annex VI

Occupational Exposure Limits

OSHA PEL (29 CFR 1910.1000)
2 mg/m³ TWA (as Al, soluble compounds)OSHA 29 CFR 1910.1000
ACGIH TLV
unknown
NIOSH REL
2 mg/m³ TWA (as Al, soluble salts)NIOSH Pocket Guide
NIOSH IDLH
unknown

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.

Download audit packet

Application Guidance

Aluminum Sulfate 50% 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.
Handling Precautions
Standard chemical PPE — dust mask and goggles for handling of fine grades. Avoid generating airborne dust.
Incompatibilities
Specific incompatibilities depend on the salt — consult the SDS. Many salts react with strong acids to release gases.
Shelf Life
24 months from date of manufacture in sealed, original packaging

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 II

Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.

NMFC Class
60
Placard
Corrosive
Packing Group
PG II

Revision History

Last reviewed 2026-05-20 by Hossein Taki, Vice President (Vice President, Alliance Chemical · CAGE Code 1LT50 · DOT Hazmat Registrant #2188383).

VersionDateChangeTrigger
1.02026-05-20Initial 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.