GALLIUM(III) SULFATE HYDRATE
- CAS NO.:13780-42-2
- Empirical Formula: Ga2H2O13S3
- Molecular Weight: 445.65
- MDL number: MFCD00149725
- EINECS: 628-535-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-10-17 17:11:55
What is GALLIUM(III) SULFATE HYDRATE?
Chemical properties
octahedral crystal(s); formed by dissolving Ga2O3 or Ga(OH)3 in sulfuric acid and precipitating with ether or alcohol [MER06]
The Uses of GALLIUM(III) SULFATE HYDRATE
Gallium(III) sulfate hydrate is used in the preparation of other gallium compounds such as gallium oxide. It is supported on silica gel act as a solid acid catalyst, which is employed as a heterogeneous catalyst for the esterification of p-hydroxybenzoic acid and heptanol to give n-heptyl p-hydroxybenzoate. On reacting with strong acid cation ion exchange resin, it exhibits excellent catalytic activity, which is used for synthesizing amyl hexanoate.
Purification Methods
Recrystallisation from H2O gives the 16-18H2O hydrate (solubility at 20o is 170g/100mL). Alternatively dissolve it in 50% H2SO4 and evaporate (60-70o), cool and precipitate it by adding EtOH/Et2O. On heating at 165o it provides the anhydrous salt, which is a white hygroscopic solid. [Reimmann & Tanner Z Naturforsch 20B 71 1965.]
Properties of GALLIUM(III) SULFATE HYDRATE
Melting point: | 105-110°C |
Density | 3,86 g/cm3 |
solubility | soluble in H2O, ethanol |
form | crystal |
color | white |
Specific Gravity | 3.86 |
Water Solubility | Slightly soluble in water and acid. |
Sensitive | Hygroscopic |
Stability: | hygroscopic |
CAS DataBase Reference | 13780-42-2 |
Safety information for GALLIUM(III) SULFATE HYDRATE
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for GALLIUM(III) SULFATE HYDRATE
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