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Sodium Tripolyphosphate SDS Safety Data Sheet of Supplier Exporter Manufacturers' Representative |
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Sodium Tripolyphosphate
CAS: Anhydrous CAS 7758-29-4
CAS: Hexahydrate 15091-98-2
Molecular Formula: Na5P3O10 Anhydrous and Na5P3O10-6H2O Hexahydrate
Molecular Weight: 367.86 Anhydrous and 475.96 Hexahydrate
Sodium Tripolyphosphate
Sodium triphosphate or STPP or Sodium tripolyphosphate or Pentasodium tripolyphosphate Anhydrous or Hexahydrate SDS, Safety Data Sheet Disodium Phosphate
MSDS Sheet, Material Safety Data Sheet 13-Feb-2026
1. Product Identification
Product Name & Other Names: Sodium triphosphate or STPP or Sodium tripolyphosphate or Pentasodium tripolyphosphate Anhydrous or Hexahydrate.
CAS No.: 7758-29-4 for anhydrous and 15091-98-2 for hexahydrate
EINECS EC Number: 231-838-7
Molecular Weight: 367.86 for anhydrous.
Chemical Formula: Na5P3O10 for anhydrous and Na5P3O10-6H2O for hexahydrate.
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Supplier: American Molecules, 9910 Bent Oak Dr, Houston, TX 77040, USA.
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665.
In case of emergency contact: Will be given with the supply.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Labeling according to GHS & Regulation (EC) No 1272/2008
GHS Label Elements None |
Signal Words: None
Precautionary statements:
P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P262: Do not get in eyes, on skin, or on clothing.
P281: Use personal protective equipment as required.
P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+313: If eye irritation persists get medical advice/attention.
3. Composition/Information on Ingredients
Product Name & Other Names: Sodium triphosphate or STPP or Sodium tripolyphosphate or Pentasodium tripolyphosphate Anhydrous or Hexahydrate.
CAS No.: 7758-29-4 for anhydrous and 15091-98-2 for hexahydrate
EINECS EC Number: 231-838-7
4. First Aid Measures
Inhalation: Remove to fresh air. Get medical attention for any breathing difficulty.
Ingestion: Give large amounts of water to drink. Never give anything by mouth to an unconscious person. Get medical attention.
Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention if irritation develops.
Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids occasionally. Get medical attention if irritation persists.
5. Fire Fighting Measures
Fire: Not considered to be a fire hazard.
Explosion: Not considered to be an explosion hazard.
Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode.
6. Accidental Release Measures
Personal precautions, protective equipment, and emergency procedures: Ventilate area of leak or spill. Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.).
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage: Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Vacuum or sweep-up and remove to an approved disposal container. Vacuuming or wet sweeping may be used to avoid dust dispersal.
7. Handling and Storage
Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.).
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, strong acids, alkaloids, lead acetate, antipyrine, chloral hydrate, resorcinol and pyrogallol.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits: None established.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles. Maintain eye wash fountain and quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance: Free flowing white powder or crystals without any visible contamination.
Odor: Odorless.
Odor threshold: Not applicable.
pH: 9.2-10.0 for 1% solution.
Relative density: 2.52
Melting Point: 622C.
Initial boiling point and boiling range: No data found.
Flash point: No data found.
Auto-ignition temperature: No data found.
Decomposition temperature: No data found.
Upper/lower flammability or explosive limits: No data found.
Vapor pressure: No data found.
Vapor density: No data found.
Evaporation rate: No data found.
Flammability (solid, gas): No data found.
Partition coefficient: n-octanol/water: No data found.
Solubility: Soluble in water.
Viscosity: No data found.
10. Stability and Reactivity
Stability: Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: Sodium and phosphorus oxides may form when heated to decomposition.
Hazardous Polymerization: Will not occur.
Incompatibilities: Strong oxidizing agents, strong acids, alkaloids, lead acetate, antipyrine, chloral hydrate, resorcinol and pyrogallol.
Conditions to Avoid: Incompatibles.
11. Toxicological Information
Oral rat LD50: > 2000 mg/kg.
Inhalation rat LD50: 0.39 mg/l 4 hours.
Dermal rabbit LD50: > 4640 mg/kg.
Mutagenic Effects: No data found.
Teratogenic Effects: No data found.
Developmental Toxicity: No data found.
Reproductive Effects: No data found.
12. Ecological Information
Toxicity to fish: LC50 - Danio rerio (zebra fish) - > 1.850 mg/l - 24 h.
Toxicity to daphnia and other aquatic invertebrates: static test EC50 - Daphnia magna (Water flea) - > 100 mg/l - 48 h.
Persistence and Degradability: Unlikely to be persist due to water solubility.
Mobility: Likely to be mobile due to water solubility.
Bioaccumulation/ Accumulation: No data found.
Results of PBT and vPvB assessment: No data found.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. State and local disposal regulations may differ from federal disposal regulations. Dispose of Disodium phosphate container and unused contents in accordance with federal, state, and local requirements.
14. Transport Information
DOT & ADR/RID: Not controlled.
TDG: Not controlled.
IATA: Not controlled.
IMDG/IMO: Not controlled.
15. Regulatory Information
USA:
SARA 311/312: None.
California Prop. 65 Components: Not listed.
16. Other Information
DISCLAIMER: The information and recommendations set forth herein are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules, or insurance requirements applicable. This MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a professionally trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.
Please visit Main Page of Sodium Tripolyphosphate Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org