Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 231-665-7 | CAS number: 7681-38-1
Endpoint summary
Administrative data
Description of key information
Additional information
The following physical and chemical information is available for the test item sodium hydrogensulfate:
-sodium hydrogensulfate is a white hygroscopic crystalline, inorganic solid.
- sodium hydrogen sulphate has a melting point of 315°C and a decomposition temperature of 460°C.
- sodium hydrogen sulphate has a relative density of 2.44.
- total dustiness (airborne fraction): 8.16 mg/g. Mass median aerodynamic diamater of airborne fraction: MMAD = 35.06 µm Geometric standard deviation of MMAD: GSD = 1.56 µm
- sodium hydrogen sulphate has a water solubility of 285000 mg/L at 25 °C.
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