Details：
Indium sulfide
Indium sulfide has two varieties, α and β.
Purity: 99.99%, 99.999%
Density: 4.613 ~ 4.9 g/cm3
Melting point: 1050 ~ 1095 ℃
Characters:
1. stable at room temperature
2. hygroscopicity strong
3. insoluble In water and dilute acid
4. volatilizable