Functional Roles
Industries Served
Physical Properties
melting_point
1810 u00b0F (NIOSH, 2024)
boiling_point
Decomposes (NIOSH, 2024)
density
2.45 (NIOSH, 2024) - Denser than water; will sink
solubility
7 % at 77 u00b0F (NIOSH, 2024)
vapor_pressure
0 mmHg (approx) (NIOSH, 2024)
ph
Between 9,8 and 10,8 (1 % solution)
GHS / SDS Safety
Warning
Irritant
Corrosive
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H302 (51.1%): Harmful if swallowed [Warning Acute toxicity, oral]
- H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
- H319 (44.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
- H318 (49.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H315 (13.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (11.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H413 (100%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]
Chemical Identity
| CAS Number | 7722-88-5 |
| IUPAC Name | tetrasodium;phosphonato phosphate |
| InChI Key | FQENQNTWSFEDLI-UHFFFAOYSA-J |
| PubChem CID | 24403 |
| INCI Name | TETRASODIUM PYROPHOSPHATE |
Synonyms & Trade Names
Full Description
Tetrasodium Pyrophosphate (TSPP) is an inorganic compound used extensively as a buffering agent, emulsifier, and dispersing agent. It is alkaline in nature