Potassium pyrosulfate

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Potassium pyrosulfate

Product Name: Potassium pyrosulfate
CAS No.: 7790-62-7
Chemical Name: Potassium pyrosulfate
Synonyms: POTASSIUM HYDROGEN SULFATE;POTASSIUM PYROSULPHATE;POTASSIUM DISULFATE;Potassium pyrosulfat;POTASSIUM PYROSULFATE;DIPOTASSIUM DISULFATE;PotassiumPyrosulphateGr;DI-POTASSIUM DISULPHATE;PotassiuM anhydrosulfate;Potassium pyrosulfate,CP
CBNumber: CB2370613
Molecular Formula: K2O7S2
Formula Weight: 254.32
MOL File: 7790-62-7.mol

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Potassium pyrosulfate Property

Melting point:: 325 °C
Density: 2.28 g/mL at 25 °C (lit.)
storage temp.: no restrictions.
solubility: H₂O: 0.1 M at 20 °C, clear, colorless
form: Solid
Specific Gravity: 2.28
color: White
PH: 0.8 (50g/l, H2O, 20℃)
Odor: Odorless
PH Range: 1 - 2 at 25.5 g/l at 25 °C
Water Solubility: MAY DECOMPOSE
Sensitive: Hygroscopic
Merck: 14,7664
Stability:: Stable. Incompatible with strong acids, strong bases.
CAS DataBase Reference: 7790-62-7(CAS DataBase Reference)
EPA Substance Registry System: Disulfuric acid, dipotassium salt (7790-62-7)

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Safety

Hazard Codes: C
Risk Statements: 34
Safety Statements: 26-36/37/39-45
RIDADR: UN 3260 8/PG 2
WGK Germany: 3
HS Code: 2833 29 80
HazardClass: 8
PackingGroup: II

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

H330Fatal if inhaled

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 307750
Product name: Potassium disulfate
Purity: ReagentPlus , 99%
Packaging: 25g
Price: $61.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: 307750
Product name: Potassium disulfate
Purity: ReagentPlus , 99%
Packaging: 500g
Price: $203
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.05107
Product name: Potassium disulfate (Potassium pyrosulfate)
Purity: for analysis EMSURE? ACS
Packaging: 1kg
Price: $503
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.05107
Product name: Potassium disulfate (Potassium pyrosulfate)
Purity: for analysis EMSURE? ACS
Packaging: 5kg
Price: $1960
Updated: 2024/03/01

Sigma-Aldrich

Product number: 60235
Product name: Potassium disulfate
Purity: puriss. p.a., ≥97.5% (T)
Packaging: 1kg
Price: $409
Updated: 2024/03/01

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Potassium pyrosulfate Chemical Properties,Usage,Production

Chemical Properties

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

Uses

Acid flux in analysis, laboratory reagent.

Uses

Potassium disulfate (K₂S₂O₇) can be used:

As a salt catalyst for the conversion of hemicellulose into reducing sugars such as xylose and galactose by mechanocatalysis .
In the preparation of diacylbenzenes via Pd-catalyzed decarboxylative acylation of aromatic ketones with oxocarboxylic acids.
As an oxidant for the preparation of monosubstituted triazoles from aryl azides and propargyl alcohol using Ag₂O as a catalyst.

Uses

Potassium disulfite supported on silica may be used for the synthesis of ethyl pyruvate.

General Description

Potassium disulfite (Potassium pyrosulfate) has been synthesized from potassium hydrogen sulfate, via melting.

Flammability and Explosibility

Non flammable

Potassium pyrosulfate Preparation Products And Raw materials

Raw materials

Potassium hydroxide Sulfuric acid Potassium sulfate

Preparation Products

Pyruvic acid

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View Lastest Price from Potassium pyrosulfate manufacturers

Career Henan Chemical Co

Product: Potassium pyrosulfate 7790-62-7
Price: US $1.00/KG
Min. Order: 1KG
Purity: 995
Supply Ability: 25kg
Release date: 2019-07-12

7790-62-7, Potassium pyrosulfateRelated Search:

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“Anhydrous” potassiuM acid sulfate

PotassiuM anhydrosulfate

PotassiuM Pyrosulfate, Reagent, ACS

PotassiuM pyrosulfate, for analysis, 98% 25GR

PotassiuM pyrosulfate, for analysis, 98% 500GR

POTASSIUM DISULFATE FOR ANALYSIS EMSURE

PotassiuM disulfate, analytical grade

PotassiuM disulfate ReagentPlus(R), 99%

Potassium disulfate Vetec(TM) reagent grade, 97%

Potassium pyrosulfate, EMSURE?, For Analysis

POTASSIUM DISULFATE (POTASSIUM PYROSULFATE) FOR ANALYSIS EMSURE ACS

Potassium disulfate, 98%, for analysis

Potassium pyrosulfate,CP

Potassium Pyrosulphate AR

Potassium pyrosulphate, GR 99%+

TIANFUCHEM-- 7790-62-7--High purity Potassium pyrosulfate in stock

POTASSIUM PYROSULPHATE Extra Pure

7790-62-7

MixtureofKHSO4andK2S2O7

K2S2O7

K2O7S2

Analytical Chromatography Product Catalog

Analytical Reagents

General Use

Inorganic Salts

Puriss p.a.

Synthetic Reagents

Inorganics