Disodium disulphate
Basic information
- CAS
13870-29-6- Standard SMILES
O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[Na+].[Na+]- InChIKey
ZQOMKIOQTCAGCM-UHFFFAOYSA-J- Molecular formula
- Na2O8S2-2
- Average molar mass
- 238.11 g/mol
- Monoisotopic mass
- 237.88299787
Names & identifiers
- Preferred name
- Disodium disulphate
- IUPAC
- disodium disulfate
- English name
- Sodium pyrosulfate
- Molecular formula
- Na2O7S2
- Molecular weight
- 222.11
Names & synonyms
disodium;disulfateDisodium disulphateEINECS 237-625-5NS00085150SODIUM DISULFATESodiumpyrosulphateDisodium disulfateSODIUM PYROSULFATESodiuM anhydrosulfateSodium pyrosulphate, GRDisulfuricacid,disodiumsaltSodium acid sulfate anhydrous
Show more names
Disulfuric acid, sodiumsalt (1:2)
Database identifiers
- CAS
13870-29-6- PubChem CID
- 159703
Properties
Computed structural properties
- Topological polar surface area
- 177 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 0
- Heavy atoms
- 12
- Formal charge
- -2
- Complexity
- 62.2
Physicochemical properties
- Melting point
- 396 °C · 396 °C
- Density
- 2.67 · 2.67
- storage temp.
- Store at room temperature, keep dry and cool
- Appearance
- White to off-white Solid
- CAS DataBase Reference
- 13870 · 13870-29-6
- EPA Substance Registry System
- Disulfuric acid, disodium salt (13870-29-6)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 302 · H302-H315-H319-H335
- Precautionary statements
- 280 · P280-P305+P351+P338
- Safety Statements
- 24 · 24/25
- TSCA
- TSCA listed
- HS Code
- 28331900 · 28331900
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Safety data
- tsca
- TSCA listed
- hs_code
- 28331900
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- safety_code
- 24/25
- Hazard statements
- H302-H315-H319-H335
- Precautionary statements
- P280-P305+P351+P338
Chemistry & industry
Applications
UsesSodium pyrosulfate is used in acidic flux, molten ore.
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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