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Potassium pyrosulfate

Potassium pyrosulfate structure

CAS No:
7790-62-7
Formula:
H2O7S2.2K
Chemical Name:
Potassium pyrosulfate
Synonyms:
Disulfuric acid,potassium salt (1:2);Pyrosulfuric acid,dipotassium salt;Disulfuric acid,dipotassium salt;Potassium pyrosulfate (K2S2O7);Dipotassium pyrosulfate;Potassium pyrosulfate;Potassium disulfate;Dipotassium disulfate;Potassium sulfate (K2S2O7);Potassium disulfate (K2S2O7)
Categories:
Inorganic Chemistry > Inorganic Salts

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Description

Colorless needles or white, crystalline powder or fused pieces. Soluble in water ( converted to potassium bisulfate).

PelletsLargeCrystals

Potassium pyrosulfate Basic Attributes

Molecular Weight：

254.32

Exact Mass：

253.83600

EC Number：

232-216-8

UNII：

AVJ6ZST7L6

HScode：

3104300000

Characteristics

PSA：

140.39000

XLogP3：

0.08500

Appearance：

White Solid

Density：

2.28 g/mL at 25 °C(lit.)

Melting Point：

335 °C

Water Solubility：

H2O: 0.1 M at 20 °C, clear, colorless

Storage Conditions：

Storage temperature: no restrictions.

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 3260 8/PG 2

wgk germany：

hazard class code：

safety instructions：

26-36/37/39-45

Marks：

Stability/Shelf Life：

Stable. Incompatible with strong acids, strong bases.

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H314

GHS Classification：

|Danger|H314 (98.79%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P321, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 166 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

pyrosulfuric acid

Potassium pyrosulfate Use and Manufacturing

Uses

Acidic solvents for chemical analysis. Steel analysis is used as an inclusion agent for electrolytic metals.

Process regulators

Manufacturing Info：

All other basic inorganic chemical manufacturing|Disulfuric acid, potassium salt (1:2): ACTIVE

Computed Properties

Molecular Weight:254.33
Hydrogen Bond Acceptor Count:7
Exact Mass:253.8359577
Monoisotopic Mass:253.8359577
Topological Polar Surface Area:140
Heavy Atom Count:11
Complexity:194
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes

Material

Potassium hydroxide

Sulfuric acid

Potassium sulfate

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Potassium pyrosulfate.

CAS No.: 7790-62-7

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Content: 98%

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Potassium Pyrosulfate Cas 7790-62-7

CAS No.: 7790-62-7

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Guide of Potassium pyrosulfate

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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Potassium pyrosulfate

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