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12658

Sigma-Aldrich

Potassium sulfate

meets analytical specification of Ph. Eur., 99-101%

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About This Item

Linear Formula:
K2SO4
CAS Number:
7778-80-5
Molecular Weight:
174.26
EC Number:
231-915-5
MDL number:
MFCD00011388
UNSPSC Code:
12352302
PubChem Substance ID:
329749798
assay:
99-101%
form:
solid
solubility:
boiling water: soluble 1 gm in 4 ml
glycerol: soluble 1 gm in 75 ml
water: soluble 1 gm in 8.3 ml
alcohol: insoluble
Pricing and availability is not currently available.

Quality Level

200

assay

99-101%

form

solid

quality

meets analytical specification of Ph. Eur.

impurities

acidity or alkalinity, in accordance
 residual solvents, complies
≤0.001% heavy metals (as Pb)

loss

≤0.5% loss on drying, 130 °C

solubility

boiling water: soluble 1 gm in 4 ml
glycerol: soluble 1 gm in 75 ml
water: soluble 1 gm in 8.3 ml
alcohol: insoluble

anion traces

chloride (Cl-): ≤20 mg/kg

cation traces

As: ≤2 mg/kg
Ca: ≤50 mg/kg
Fe: ≤10 mg/kg
Mg: ≤20 mg/kg
Na: ≤100 mg/kg

suitability

in accordance for appearance of solution

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1 of 4

This Item
1.051512041291.05150
Potassium sulfate meets analytical specification of Ph. Eur., 99-101%

12658

Potassium sulfate

Potassium sulfate powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, E 515

1.05151

Potassium sulfate

Potassium sulfate 99.99% trace metals basis

204129

Potassium sulfate

Potassium sulfate crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP

1.05150

Potassium sulfate

form

solid

form

fine powder

form

powder

form

coarse powder, crystalline

assay

99-101%

assay

-

assay

99.99% trace metals basis

assay

-

solubility

boiling water: soluble 1 gm in 4 ml, water: soluble 1 gm in 8.3 ml, glycerol: soluble 1 gm in 75 ml, alcohol: insoluble

solubility

111 g/L

solubility

-

solubility

-

Quality Level

200

Quality Level

500

Quality Level

100

Quality Level

500

impurities

acidity or alkalinity, in accordance, ≤0.001% heavy metals (as Pb), residual solvents, complies

impurities

-

impurities

≤150.0 ppm Trace Metal Analysis

impurities

-

anion traces

chloride (Cl-): ≤20 mg/kg

anion traces

-

anion traces

-

anion traces

-

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG4611
BCCF0323
BCCF0322
BCCB6765
BCBX4883

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S S Lehrer et al.
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This study investigated the preparation and characteristics of protein-coated microcrystals (PCMCs) from Pseudomonas cepacia lipase (PS) and K(2)SO(4), and their application in biodiesel synthesis, via single factorial experiments and response surface methodology (RSM), the optimized PCMC-PS exhibited high activity and
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