potassium sulphate 98.5% extrapure

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Three chemical solution bottles with red caps are arranged side by side against a gray background. The labels read "Methyl Orange Indicator Solution" and "Fehling's Solution No. A.

Three white chemical bottles with red caps, labeled "Chemnovyo," arranged in order of size against a plain gray background.

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Three black plastic bottles of nitric acid with white hazard labels are arranged in a row against a grey background.

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Two white plastic chemical containers with black lids, labeled "Chemnovato." The left contains Magnesium Sulphate, and the right contains Acetyl Salicylic Acid, both on a gray background.

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Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.

Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.

Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Specification

Description

CAS	7778-80-5
Molecular Formula	K2SO4
Molecular Weight	174.27
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	White crystalline
Odour	Odorless	pH Value	~7
Melting Point/ Freezing Point [°C]	1067°C	Boiling Point [°C]	1689°C
Density [g/cm3]	2.662	Solubility in Water [% weight]	110 g/l (20°C)

Specifications
Appearance	White crystalline powder	Assay (Acidimetric)	98.5 – 101.0%
pH (5% Solution)	5.5 – 8.5	Identity	Passes test
Appearance of Solution	Passes test	Acidity Or Alkalinity	Passes test
Chloride (Cl)	Max 0.004%	Heavy Metal (As Pb)	Max 0.002%
Iron (Fe)	Max 0.001%	Magnesium (Mg)	Max 0.002%
Calcium (Ca)	Max 0.02%	Sodium (Na)	Max 0.1%
Loss On Drying (At 105°C)	Max 1.0%

Dangerous Goods Information
UN Number	–	DG Class	–

potassium sulphate 98.5% extrapure

Price range: $31.00 through $250.30

Size

UOM

Clear

SKU C02178-00500-HS Category Chemicals