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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:
Molecular Weight:
136.17
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-594-1
MDL number:
Assay:
≥99.99% trace metals basis
Form:
crystals and lumps
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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.)

SMILES string

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

InChI

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

InChI key

CHKVPAROMQMJNQ-UHFFFAOYSA-M



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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

ppe

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



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