CAS No.7790-62-7,Potassium pyrosulfate Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	7790-62-7
Name:	Potassium pyrosulfate

Formula:	K₂S₂O₇
Molecular Weight:	254.32
Synonyms:	Potassium pyrosulfate;Dipotassium disulfate;Dipotassium pyrosulfate;Potassium disulfate (K₂S₂O₇);Pyrosulfuric acid, dipotassium salt;Potassium sulfate (K₂S₂O₇);AC1L1XKK;AC1Q1TT4;
EINECS:	232-216-8
Density:	2.51 g/cm³
Melting Point:	325 °C
Solubility:	Water: 0.1 M at 20 °C, clear, colorless
Appearance:	White crystalline powder
Hazard Symbols:	C
Risk Codes:	34
Safety:	26-36/37/39-45
Transport Information:	UN 3260 8/PG 2
PSA:	140.39000
LogP:	0.08500

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Specification

The Disulfuric acid,potassium salt (1:2) with CAS registry number of 7790-62-7 is also known as Potassium pyrosulfate. The IUPAC name is Dipotassium sulfonato sulfate. It belongs to product categories of Inorganics. Its EINECS registry number is 232-216-8. In addition, the formula is K₂S₂O₇ and the molecular weight is 254.32. This chemical is used as acidic solvent for chemical analysis and also used as mixed agent for electrolytic metal.

Physical properties about Disulfuric acid,potassium salt (1:2) are: (1)ACD/LogP: -1.19; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -5.69; (4)ACD/LogD (pH 7.4): -5.69; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 7; (8)#H bond donors: 2; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 134.73Å².

Preparation of Disulfuric acid,potassium salt (1:2): it is prepared by reaction of potassium with sulfuric acid at certain temperature. After the reaction, the mixture is cooled to 50-60 °C and cracked to obtain the product.

K₂SO₄+H₂SO₄→K₂S₂O₇+H₂O

When you are using this chemical, please be cautious about it. As a chemical, it may cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If accident happens or you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
(1)SMILES: [K+].[K+].[O-]S(=O)(=O)[O-].[O-]S([O-])(=O)=O
(2)InChI: InChI=1/2K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q2*+1;;/p-4
(3)InChIKey: ZRVNHXQGRJLLIT-XBHQNQODAH
(4)Std. InChI: InChI=1S/2K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q2*+1;;/p-4
(5)Std. InChIKey: ZRVNHXQGRJLLIT-UHFFFAOYSA-J