Na5O10P3
367.86 g/mol
Industrial ChemicalWarning
Pentasodium triphosphate
CAS7758-29-4EC231-838-7
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
detergent builder and sequestrant
Pentasodium triphosphate is an inorganic compound, the sodium salt of triphosphoric acid, produced on a large scale. It is widely used as a detergent builder and sequestrant in many domestic and industrial cleaning products.
detergent buildersequestrantindustrial cleaning agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Pentapotassium triphosphate
CAS13845-36-8
Detergent builder and water softener
ReferenceSame Category
Cuprous chloride
CAS7758-89-6
precursor to copper oxychloride fungicide
ReferenceSame Category
Ferrous chloride
CAS7758-94-3
reducing agent and mordant
ReferenceSame Category
2-(Trifluoromethyl)benzenesulfonyl chloride
CAS776-04-5
organic synthesis reagent
ReferenceSame Category
Silver nitrate
CAS7761-88-8
Chemical intermediate, disinfectant, laboratory reagent
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Pentasodium triphosphate (CAS 7758-29-4) is 2835.31.
HS code (international, 6-digit)
2835.31
EU CN code (8-digit)
2835 31 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate
InChIKey
HWGNBUXHKFFFIH-UHFFFAOYSA-I
SMILES
[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
Synonyms (19)
- STPP
- Armofos
- Caswell No. 799
- Pentasodium triphosphate
- Rhodiaphos LV
- S 400
- Sodium phosphate (Na5P3O10)
- Sodium triphosphate
- Thermphos
- Thermphos L 50
- Thermphos N
- Thermphos SPR
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