Technical Data Sheet
ACS Reagent
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (Na3PO4·12H2O) | 98.0 - 102.0 % | 99.8 % | — | Interpreted |
| Chloride (Cl) | ≤0.001% | 0.00020 % | — | Interpreted |
| Excess alkali (as NaOH) | ≤2.5% | 1.4 % | — | Interpreted |
| Heavy metals (as Pb) | ≤0.001% | 0.00014 % | — | Interpreted |
| Insoluble matter | 0.01 % maximum | 0.0023 % | — | Interpreted |
| Iron (Fe) | ≤0.001% | 0.00020 % | — | Interpreted |
| Sulfate (SO4) | ≤0.01% | 0.0015 % | — | Interpreted |
| Nitrogen compounds (as N) | ≤0.001% | 0.00011 % | ACS Reagent Chemicals — Nesslerization after alkaline distillation | Interpreted |
| phosphorus pentoxide | 18.3 - 20 % | 19.11 % | — | Interpreted |
| sodium oxide | 16 - 19 % | 17.5 % | — | 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.
| Property | 値 | Source |
|---|---|---|
| 外観 | White crystalline powder, hygroscopic | Adjudicated |
| 形状 | Solid | Published reference |
| pH | 11.5 - 12.5 | Interpreted |
| 沸点 | 100 | Published reference |
| 融点 | Melting point equals 164 to 170 ° F | Adjudicated |
| 引火点 | N/A | Published reference |
| Solubility (water) | Soluble in water | Published reference |
| 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.
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. |
輸送情報は発行時点の49 CFR 172.101の照会結果を反映しています。データ出典:REL/IDLHはNIOSH Pocket Guide、PELはOSHA Zテーブル。出荷に関わる重要な判断の前に、必ず最新の規制本文で確認してください。
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Trisodium Phosphate Dodecahydrate - ACS Reagent Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
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.
Not regulated for transport.
本製品を5,000 lb(2,270 kg)以上収納する包装物は報告対象数量(RQ)を含み、次の記載で輸送されます:
UN3077, Environmentally hazardous substance, solid, n.o.s. (Sodium phosphate, tribasic), 9, III, RQ
Confirm against shipping documents and carrier requirements before tender.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.5 | 2026-10-13 | Canonical data updated: 8 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-10-08 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-09-30 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 6 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.