Product Identification

Product Name

Stannous pyrophosphate

Synonyms

Diphosphoric acid tin(2+) salt (1:2)
Diphosphoric acid, tin(2+) salt (1:2)
Stannous pyrophosphate
TechneScan PYP

CAS

15578-26-4

Formula

O7P2Sn2

Molecular Weight

411.36

EINECS

239-635-5

RTECS

JL6737500

Merck

12,8945

Physical and Chemical Properties

Appearance

Odorless, white powder.

Solubility in water

Insoluble

Melting Point

>800

Density

4.01 g/cm3 (20 C)

First Aid Measures

Ingestion

Seek immediate medical treatment.

Inhalation

Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.

Skin

Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.

Eyes

Rinse opened eye for several minutes under running water. Then consult a doctor.

Handling and Storage

Storage

Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

Exposure Controls/Personal Protection

Personal Protection

Protective work clothing. Chemical protective gloves. Safety glasses or goggles.

Exposure Effects

Inorganic phosphorus compounds may cause irritation and hemorrhages in the stomach as well as liver and kidney damage. Bone structure may be attacked, especially the jaw and teeth. Metallic tin and inorganic tin compounds may cause nausea, vomiting, diarrhea, irritation and pneumoconiosis.

Exposure limit(s)

NIOSH PEL: 2 mg/m3 (as Sn)

Fire Fighting Measures

Fire Fighting

Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.

Fire Potential

Product is not flammable.

Stability and Reactivity

Stability

Decomposition will not occur if used and stored according to specifications.

Incompatibilities

Oxidizing agents.

Decomposition

Phosphorous oxides.

Hazards Identification

EC Risk Phrase

R: 36/37/38