Salts & Minerals
REACH
Stannous pyrophosphate
CAS Number
15578-26-4
EC Number
239-635-5
Industries: Personal Care & Cosmetics
What is Stannous pyrophosphate?
Stannous pyrophosphate (CAS 15578-26-4), also known as ditin pyrophosphate, is an inorganic tin salt used as a stabilizer and buffering agent in food and personal care manufacturing.
Where is Stannous pyrophosphate used?
- Canned seafood and meat: prevents struvite crystal formation and controls discoloration from metal-catalyzed oxidation
- Oral care: tartar-control agent inhibiting calcium phosphate deposition on tooth surfaces
- Beverage and food processing: sequestrant protecting flavor stability against oxidative changes
- Personal care: stain-prevention formulations
- It functions to inhibit oxidative degradation and control pH in finished formulations.
Commercial specifications
- Packaging in multi-kilogram bags or drums
Other Names (Synonyms)
Diphosphoric acid, tin(2+) salt (1:2)|Ditin pyrophosphate|Tin(2+) pyrophosphate|Stannous pyrophosphate [USAN]|Pyro stannous phosphate|MP 4018|Tin(2+) diphosphate (1:2)|Ditin(2+) pyrophosphate (4-)
What are the physical properties of Stannous pyrophosphate?
Melting Point >400 °C (decomp)
Density 4.01 g/cm³
Color White
Odor Odorless
Form Powder
Water Solubility Insoluble in water.
Log P -1 at 20℃
How is Stannous pyrophosphate classified and handled safely? Learn More
Warning
GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H372 Causes damage to organs through prolonged or repeated exposure
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Which trade and regulatory codes apply to Stannous pyrophosphate?
HS Code 28353990
Storage Class 11 - Combustible Solids
WGK (Germany) 2