Basic information
- Name:
Disulfuric acid,potassium salt (1:2)
- Superlist Name:
- Potassium pyrosulfate
- CAS No.:
7790-62-7
- Molecular Structure:
- 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 Description:
- 26-36/37/39-45 Details
- Transport Information:
- UN 3260 8/PG 2
Famous Chemical Enterprises
-
Livzon -
Total -
Shell -
Dupont -
Exxonmobil -
Akzonobel -
Basf -
Bayer -
BP
Please post your buying leads,so that our qualified suppliers will soon
contact you!
*Required Fields
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