Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Trisodium Phosphate Dodecahydrate - ACS Reagent Grade

ACS Reagent

Alliance Code
trisodium-phosphate-dodecahydrate-acs-reagent-grade
確認日
2026-07-17
Revision
1.5
CAS番号
10101-89-0
構造
2D chemical structure of Trisodium Phosphate Dodecahydrate - ACS Reagent Grade
構造・PubChem
グレード
ACS Reagent
注意喚起語
Warning
危険有害性
刺激性 / 有害性H315 H319 H335
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.

Identity & Composition

製品名
Trisodium Phosphate Dodecahydrate - ACS Reagent Grade
Alliance Code
trisodium-phosphate-dodecahydrate-acs-reagent-grade
グレード
ACS Reagent
濃度
—
CAS番号
10101-89-0PubChem
化学式
—PubChem
分子量
380.12PubChem
製品種別
Pure substance

Specifications

TestSpecificationTypicalMethodSource
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 matter0.01 % maximum0.0023 %—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 distillationInterpreted
phosphorus pentoxide18.3 - 20 %19.11 %—Interpreted
sodium oxide16 - 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.

物理的及び化学的性質

Property値Source
外観White crystalline powder, hygroscopicAdjudicated
形状SolidPublished reference
pH11.5 - 12.5Interpreted
沸点100Published reference
融点Melting point equals 164 to 170 ° FAdjudicated
引火点N/APublished reference
Solubility (water)Soluble in waterPublished reference

Materials of ConstructionService envelope ≈ 100%

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
Good—Acceptable with epoxy coatingCole-Parmer Chemical Compatibility
304 stainless steel
metal
Fair25Pitting in chloride-rich serviceCole-Parmer Chemical Compatibility
316L Stainless Steel
metal
Good60Watch for chloride pitting above 60 °C in chloride salts.NACE Chloride Pitting Guidelines
Aluminium
metal
Poor—Pitting; not recommended for brineCole-Parmer Chemical Compatibility
Carbon steel
metal
Poor—Rapid rust in brineCole-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 13 of 13 material ratings within 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
Good—Acceptable with epoxy coating
304 stainless steel
metal
Fair25Pitting in chloride-rich service
316L Stainless Steel
metal
Good60Watch 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
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

国連番号
非該当Adjudicated
危険有害性クラス
非該当Adjudicated
容器等級
非該当Adjudicated
正式輸送品名
非該当Adjudicated

GHS / OSHA HCS 2024

注意喚起語
WarningAdjudicated
H-Codes (Hazard Statements)
H315, H319, H335Adjudicated
P-Codes (Precautionary Statements)
P260, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501Adjudicated

許容濃度

OSHA PEL (29 CFR 1910.1000)
—no canonical
ACGIH TLV
—no canonical
NIOSH REL
—no canonical
NIOSH IDLH
—no canonical

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。

Supplier Qualification Packet

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.

Download audit packet

Applications

  • Used in pharmaceuticals and as a buffering agentjostchemical.com
  • Pharmaceutical use and laboratory reagent usejostchemical.com
  • Reagent for testing USP/NF compendial monographslabdepotinc.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
容器を密閉し、混触危険物質、食品および飼料から離して、乾燥した涼しい換気の良い場所に保管すること。吸湿性があるため、吸湿および固結を防ぐために密閉して保管すること。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
強酸(激しい発熱反応);強酸化剤;マグネシウム;溶液中の金属(引火性水素ガス)。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)

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.

NMFC Class
70

Revision History

Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

VersionDateChangeTrigger
1.52026-10-13Canonical data updated: 8 fields changed via the provenance/adjudication pipeline.
  • ghsClassification· canonical change (coa.data_provenance / adjudication)
  • hazard_h_codes· canonical change (coa.data_provenance / adjudication)
  • hazard_p_codes· canonical change (coa.data_provenance / adjudication)
  • signalWord· canonical change (coa.data_provenance / adjudication)
  • storage_precautions· canonical change (coa.data_provenance / adjudication)
  • incompatible_materials· canonical change (coa.data_provenance / adjudication)
  • conditions_to_avoid· canonical change (coa.data_provenance / adjudication)
  • hazardous_decomposition_products· canonical change (coa.data_provenance / adjudication)
canonical_change
1.42026-10-08Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • ghsClassification· canonical change (coa.data_provenance / adjudication)
  • hazard_h_codes· canonical change (coa.data_provenance / adjudication)
  • hazard_p_codes· canonical change (coa.data_provenance / adjudication)
canonical_change
1.32026-09-30Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • meltingPoint· canonical change (coa.data_provenance / adjudication)
  • appearance· canonical change (coa.data_provenance / adjudication)
canonical_change
1.22026-07-22Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • ghsClassification· canonical change (coa.data_provenance / adjudication)
  • signalWord· canonical change (coa.data_provenance / adjudication)
canonical_change
1.12026-07-17Canonical 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).
  • countryOfOrigin· canonical adjudication / reground (coa.data_provenance)
  • dotSubsidiaryHazardClass· canonical adjudication / reground (coa.data_provenance)
  • ghsClassification· canonical adjudication / reground (coa.data_provenance)
  • hazard_h_codes· canonical adjudication / reground (coa.data_provenance)
  • hazard_p_codes· canonical adjudication / reground (coa.data_provenance)
  • hsCode· canonical adjudication / reground (coa.data_provenance)
canonical_change
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.

Trisodium Phosphate Dodecahydrate - ACS Reagent Grade — Technical Data Sheet | Alliance Chemical