Sodium persulfate

Sodium persulfate
Names
	Other names Sodium peroxodisulfate; Sodium peroxodisulphate; Sodium peroxydisulfate; Sodium peroxydisulphate
Identifiers
CAS Number	7775-27-1 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL502764 ;
ChemSpider	56406 ;
ECHA InfoCard	100.028.993
EC Number	231-892-1;
PubChem CID	62655;
RTECS number	SE0525000;
UNII	J49FYF16JE ;
UN number	1505
CompTox Dashboard (EPA)	DTXSID4029698 ;
	InChI InChI=1S/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2+1;/p-2 Key: CHQMHPLRPQMAMX-UHFFFAOYSA-L ; InChI=1/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2+1;/p-2 Key: CHQMHPLRPQMAMX-NUQVWONBAA;
	SMILES [Na+].[Na+].O=S(=O)([O-])OOS([O-])(=O)=O;
Properties
Chemical formula	Na2S2O8
Molar mass	238.10 g/mol
Appearance	White powder
Density	2.601 g/cm3
Melting point	180 °C (356 °F; 453 K) decomposes
Solubility in water	55.6 g/100 ml (20 °C)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H272, H302, H315, H317, H319, H334, H335, H371
Precautionary statements	P220, P261, P280, P305+P351+P338, P342+P311
NFPA 704 (fire diamond)	2 0 1 OX
Flash point	Non-flammable
Safety data sheet (SDS)	ICSC 1136
Related compounds
Other anions	Sodium dithionite; Sodium sulfite; Sodium sulfate
Other cations	Potassium persulfate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium persulfate is the inorganic compound with the formula Na₂S₂O₈. It is the sodium salt of peroxydisulfuric acid, H₂S₂O₈, an oxidizing agent. It is a white solid that dissolves in water. It is almost non-hygroscopic and has good shelf-life.

Names



Other names Sodium peroxodisulfate Sodium peroxodisulphate Sodium peroxydisulfate Sodium peroxydisulphate
Identifiers
CAS Number	7775-27-1^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL502764^Y
ChemSpider	56406^Y
ECHA InfoCard	100.028.993
EC Number	231-892-1
PubChem CID	62655
RTECS number	SE0525000
UNII	J49FYF16JE^Y
UN number	1505
CompTox Dashboard (EPA)	DTXSID4029698
InChI InChI=1S/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2+1;/p-2^Y Key: CHQMHPLRPQMAMX-UHFFFAOYSA-L^Y InChI=1/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2+1;/p-2 Key: CHQMHPLRPQMAMX-NUQVWONBAA
SMILES [Na+].[Na+].O=S(=O)([O-])OOS([O-])(=O)=O
Properties
Chemical formula	Na₂S₂O₈
Molar mass	238.10 g/mol
Appearance	White powder
Density	2.601 g/cm³
Melting point	180 °C (356 °F; 453 K) decomposes
Solubility in water	55.6 g/100 ml (20 °C)
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H272, H302, H315, H317, H319, H334, H335, H371
Precautionary statements	P220, P261, P280, P305+P351+P338, P342+P311
NFPA 704 (fire diamond)	2 0 1 OX
Flash point	Non-flammable
Safety data sheet (SDS)	ICSC 1136
Related compounds
Other anions	Sodium dithionite Sodium sulfite Sodium sulfate
Other cations	Potassium persulfate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references