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 Na₂S₂ O₈. 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.

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