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Merck
CN

31260

Potassium bisulfate

puriss. p.a., ≥99%

Synonym(s):

Potassium hydrogen sulfate

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About This Item

Linear Formula:
KHSO4
CAS Number:
Molecular Weight:
136.17
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-594-1
MDL number:
Assay:
≥99%
Form:
solid
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InChI key

CHKVPAROMQMJNQ-UHFFFAOYSA-M

InChI

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

SMILES string

[K+].OS([O-])(=O)=O

grade

puriss. p.a.

assay

≥99%

form

solid

impurities

≤0.001% total nitrogen (N)

mp

214 °C (lit.)

density

2.32 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg, phosphate (PO43-): ≤5 mg/kg

cation traces

Al: ≤20 mg/kg, As: ≤0.5 mg/kg, Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Na: ≤50 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

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pictograms

CorrosionExclamation mark

signalword

Danger

hcodes

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Jing Li et al.
Chemosphere, 188, 139-147 (2017-09-08)
Electrochemistry coupled with granulated activated carbon catalysis of peroxymonosulfate (electro/GAC/PMS) as a novel wastewater treatment process was performed for the degradation of Acid Orange 7 (AO7) in aqueous solution. The decolorization of AO7 was compared under different permutations and combinations
Emily J Dennis et al.
Nature, 562(7725), 119-123 (2018-09-28)
DEET (N,N-diethyl-meta-toluamide) is a synthetic chemical identified by the US Department of Agriculture in 1946 in a screen for repellents to protect soldiers from mosquito-borne diseases1,2. Since its discovery, DEET has become the world's most widely used arthropod repellent and
Jinyong Yan et al.
Bioresource technology, 102(7), 4755-4758 (2011-02-01)
A dual modification procedure composed of cross-linking and protein coating with K(2)SO(4) was employed to modify Geotrichum sp. lipase for catalyzing biodiesel production from waste cooking oil. Compared to single modification of protein coating with K(2)SO(4), the dual modification of
Ashley C Parker et al.
Clinical orthopaedics and related research, 469(11), 3008-3015 (2011-05-10)
Local drug delivery has substantial potential to prevent infections compared with systemic delivery. Although calcium sulfate (CaSO(4)) has been studied for local drug delivery and two types are commercially available, it is unknown whether they differentially release antibiotics. We determined
Antonio Scarano et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 68(5), 964-968 (2010-03-13)
Calcium sulfate (CaS) is a simple, biocompatible material with a very long, safe clinical history in several different fields of medicine. CaS is a rapidly resorbing material that leaves behind a calcium phosphate lattice, which promotes bone regeneration and hemostasis.

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