Why Trisodium Phosphate Dodecahydrate - ACS Reagent Grade
Trisodium Phosphate Dodecahydrate (CAS 10101-89-0) in ACS Reagent Grade provides the exact analytical purity required by laboratory managers, research scientists, and QC chemists conducting method-specified testing. Supplied as a white, hygroscopic crystalline powder that is completely soluble in water, this specific chemical reagent is tested against rigid American Chemical Society specifications to guarantee strict baseline limits on trace metals, insoluble matter, and unreacted byproducts. Analytical laboratories and industrial research facilities select this twelve-hydrate formulation (Na3PO4 · 12H2O) when their standard operating procedures demand reliable, lot-traceable metrics for critical quantitative analysis and standardized chemical reactions.
Best Applications for This Grade
- Commonly applied in standardized analytical testing methods, including rigid ASTM protocols, where researchers require a fully lot-traceable buffering agent to establish and maintain precise alkaline pH levels in complex aqueous solutions.
- Utilized as a primary precipitating reagent in quantitative chemical analysis, providing the exact stoichiometric ratios of the dodecahydrate crystal needed to calculate accurate product yields without interference from unknown heavy metal or chloride impurities.
- Employed in the formulation of baseline laboratory-grade cleaning solutions targeted at highly sensitive analytical glassware, ensuring trace contaminants are strictly controlled to prevent analytical ghosting, baseline drift, or sample carryover in subsequent spectrophotometric testing.
- Commonly applied in benchtop pilot studies simulating industrial boiler water treatment, allowing chemical engineers to test phosphate-based scale inhibition and calcium precipitation mechanisms under strictly controlled, impurity-free parameters before scaling up to commercial operations.
When to Choose a Different Grade
- If the application scales up to broad industrial cleaning, heavy-duty parts degreasing, or commercial boiler water treatment where strict control over trace micro-impurities does not impact the final operational outcome, Technical Grade Trisodium Phosphate presents a more cost-effective pathway.
- If the operational procedure specifically dictates the use of a completely dry, unhydrated material to calculate exact molecular weights without the added mass of water molecules, Anhydrous Trisodium Phosphate must be selected over this dodecahydrate formulation.
| Molecular Weight |
380.12 |
| Formula |
Na3PO4 · 12H2O |
| Assay |
98-100.5% |
| Grade |
ACS Grade |
| Form |
Solid |
| Solubility |
Soluble in water |
| Appearance |
White crystalline powder |
| Melting Point |
73 |
| Boiling Point |
100°C (212°F) |
| Specific Gravity |
0.88 |
| Industry |
Analytical Chemistry, Industrial Cleaning, Food Processing, Environmental, Research Laboratory |