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Merck

401544

Potassium bisulfate

≥99.99% trace metals basis

Synonym(s):

Potassium hydrogen sulfate

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About This Item

Linear Formula:
KHSO4
CAS Number:
7646-93-7
Molecular Weight:
136.17
NACRES:
NA.23
PubChem Substance ID:
24865023
UNSPSC Code:
12352302
EC Number:
231-594-1
MDL number:
MFCD00011404
Assay:
≥99.99% trace metals basis
Form:
crystals and lumps

Key Documents

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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

assay

≥99.99% trace metals basis

form

crystals and lumps

reaction suitability

core: potassium

impurities

≤100.0 ppm Trace Metal Analysis

mp

214 °C (lit.)

acid number

35‑37%(as H2SO4)

density

2.32 g/mL at 25 °C (lit.)

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Related Categories

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H314,H335

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

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ5052
MKCX3780
MKCS6651
MKCG9783
MKCF0647

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Michele Ghidotti et al.
Analytica chimica acta, 1034, 92-101 (2018-09-09)
Volatile fatty acids (VFAs) are among the most important parameters in process monitoring of anaerobic digestion plants for biogas production. The concentration of single VFA species is typically determined by direct injection of the acidified aqueous phase of digestate samples
Markus Paananen et al.
Bioresource technology, 193, 97-102 (2015-06-30)
High-alkali low-temperature polysulfide pulping (HALT) was effectively utilised to prevent major polysaccharide losses while maintaining the delignification rate. A yield increase of 6.7 wt% on wood was observed for a HALT pulp compared to a conventionally produced kappa number 60
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
C C Constantinoiu et al.
Poultry science, 86(9), 1910-1914 (2007-08-21)
Immunoglobulin Y is different from most of the other immunoglobulins because it does not bind protein A or protein G. Thiophilic gel chromatography has been successfully used to purify IgY from chicken egg yolk, but the technology has not previously
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