Industrial Sodium Sulfate Anhydrous Na2SO4 99% White Powder, CAS 7757-82-6, for Input-Grade Qualification
-
ColorWhitePhysical formCrystalline , Powder
-
CAS No.7757-82-6Purity99%
-
AppearanceWhite monoclinic crystal systemApplicationIndustrial
-
ClassificationSulphateEINECS No.231-820-9
-
Grade StandardAgriculture Grade, Industrial Grade, Reagent GradeMolecular FormulaNa2SO4
-
Other Namessodium sulfate anhydrousTypesulfate
-
Product nameSodium sulfateCAS7757-82-6
-
GradeIndustral GradeMelting point884 °C (lit.)
-
Boiling point1700°Cdensity2.68 g/mL at 25 °C (lit.)
-
refractive index1.484storage temp.Store at +5°C to +30°C.
-
UsageIndustrialPackage25kg/bag
An industrial sulfate input should be compared with the actual anhydrous-grade and process requirements. This sodium sulfate is identified as Na2SO4 with an anhydrous designation, described as white material with stated purity 99%.
Confirm the supplied grade and physical form
Request current analysis and confirmation of the material’s actual powder or crystal form. An anhydrous designation should be assessed alongside moisture and the individual impurities required by the project, rather than treated as the complete input specification.
Ask for particle measurements that answer the process question
Define any required particle distribution or other physical limits before comparing the sample. A crystal-system description does not supply those measurements, so current reports should identify the actual grade, method and sample reference relevant to the buyer’s acceptance criteria.
- Thermal descriptors
- The stated literature melting point is 884°C and boiling point is reported as 1700°C, with their methods and scope to confirm.
- Density descriptor
- Literature density is 2.68g/mL at 25°C, which is not a bulk-density specification.
Separate storage instructions from process qualification
The stated storage temperature is +5°C to +30°C, distinct from any process operating condition. Define the actual industrial material duty and obtain relevant trial evidence rather than assuming compatibility from the sulfate identity or thermal descriptors.
Request current safety and technical information and appropriate sample records for the actual offered grade. Keep supplied-form confirmation, moisture analysis and process acceptance measurements together, without an assumed specialty-grade approval or an unlisted application claim.
