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Key Documents

1.04885

Supelco

Potassium hydrogen sulfate

for analysis EMSURE® Reag. Ph Eur

Synonym(s):

Potassium hydrogen sulfate, Potassium bisulfate

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About This Item

Empirical Formula (Hill Notation):
HKO4S
CAS Number:
Molecular Weight:
136.17
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-594-1
NACRES:
NA.21

Agency

reag. Ph. Eur.

Quality Level

product line

EMSURE®

Assay

≥99.0% (alkalimetric)

form

solid

potency

2340 mg/kg LD50, oral (Rat)

pH

1 (20 °C, 50 g/L in H2O)

mp

195 °C (decomposition)

solubility

490 g/L (development of heat)

density

2.24 g/cm3 at 20 °C

bulk density

1140 kg/m3

anion traces

chloride (Cl-): ≤0.0005%
phosphate (PO43-): ≤0.001%

cation traces

Al: ≤0.002%
Ca: ≤0.005%
Fe: ≤0.0005%
N: ≤0.001%
Na: ≤0.005%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

InChI

1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

OTYBMLCTZGSZBG-UHFFFAOYSA-L

Analysis Note

Assay (alkalimetric): ≥ 99.0 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Corresponds to Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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