21651-19-4
| Name | TIN(II) OXIDE |
| CAS | 21651-19-4 |
| EINECS(EC#) | 244-499-5 |
| Molecular Formula | OSn |
| MDL Number | MFCD00011243 |
| Molecular Weight | 134.71 |
| MOL File | 21651-19-4.mol |
Chemical Properties
| Appearance | black crystals with a characteristic odour | ||||||||||||||
| Melting point | 1080 °C | ||||||||||||||
| density | 6,95 g/cm3 | ||||||||||||||
| storage temp. | Store at RT. | ||||||||||||||
| solubility | insoluble in H2O, ethanol; soluble in acid solutions | ||||||||||||||
| form | powder |
||||||||||||||
| color | Blue-black | ||||||||||||||
| Specific Gravity | 6.95 | ||||||||||||||
| Stability: | Stable. Incompatible with strong acids, strong bases. | ||||||||||||||
| Water Solubility | Insoluble in water, and alcohol. | ||||||||||||||
| Specific Heat Capacity | Cp(crystal):0.328855J/(g·K);Cp(gas):0.234578J/(g·K),at 25℃ | ||||||||||||||
| Thermal Conductivity | 31.38 W/(m·K) | ||||||||||||||
| Crystal Structure | PbO type | ||||||||||||||
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions | ||||||||||||||
| crystal system | square | ||||||||||||||
| Merck | 14,8787 | ||||||||||||||
| Space group | P4/nmm | ||||||||||||||
| Lattice constant |
|
||||||||||||||
| Exposure limits | ACGIH: TWA 2 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3 |
Safety Data
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H302-H317-H319-H372 |
| Precautionary statements | P260-P280-P301+P312-P302+P352-P305+P351+P338-P314 |
| Safety Statements | |
| OEB | B |
| OEL | TWA: 2 mg/m3 |
| WGK Germany | 3 |
| RTECS | XQ3700000 |
| TSCA | Yes |
| REACH Registrations | Active |
| HS Code | 28259085 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Sens. 1 STOT RE 1 |