Potassium bisulfate

Modify Date: 2025-08-20 15:50:08

Potassium bisulfate Structure
Potassium bisulfate structure
 Common Name Potassium bisulfate
CAS Number 7646-93-7 Molecular Weight 136.16900
Density 2.512 g/mL at 25 °C(lit.) Boiling Point 330ºC at 760 mmHg
Molecular Formula HKO4S Melting Point 214 °C(lit.)
MSDS Chinese USA Flash Point N/A
Symbol GHS05 GHS07
GHS05, GHS07		 Signal Word Danger

 Names

Name Potassium bisulfate
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.512 g/mL at 25 °C(lit.)
Boiling Point 330ºC at 760 mmHg
Melting Point 214 °C(lit.)
Molecular Formula HKO4S
Molecular Weight 136.16900
Exact Mass 135.92300
PSA 85.81000
LogP 0.08540
Stability Stable. Moisture sensitive.
Water Solubility soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TS7200000
CHEMICAL NAME :
Potassium bisulfate
CAS REGISTRY NUMBER :
7646-93-7
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
H-O4-S.K
MOLECULAR WEIGHT :
136.17
WISWESSER LINE NOTATION :
.KA..S-O3-Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2340 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MarJV# Personal Communication from J.V. Marhold, VUOS, 539-18, Pardubice, Czechoslavakia, Mar. 29, 1977 Volume(issue)/page/year: 29MAR1977 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81948 No. of Facilities: 875 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 1243 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81948 No. of Facilities: 258 (estimated) No. of Industries: 9 No. of Occupations: 14 No. of Employees: 4720 (estimated) No. of Female Employees: 2337 (estimated)

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H314-H335
Precautionary Statements P261-P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive
Risk Phrases R34;R37
Safety Phrases S26-S36/37/39-S45
RIDADR UN 2509 8/PG 2
WGK Germany 1
RTECS TS7200000
Packaging Group II
Hazard Class 8
HS Code 2833299090

 Customs

HS Code 2833299090

 Articles34

More Articles
Bromate formation in bromide-containing water through the cobalt-mediated activation of peroxymonosulfate.

Water Res. 83 , 132-40, (2015)

Bromate formation in bromide-containing water through the cobalt (Co)-mediated activation of peroxymonosulfate (PMS) was investigated. Increasing the PMS dosage and the cobalt dosage increased the for...

A pilot study using reduced-volume oral sulfate solution as a preparation for colonoscopy among a Japanese population.

Int. J. Colorectal Dis. 28(1) , 83-7, (2013)

This pilot study sought to investigate the performance and safety of a reduced-volume oral sulfate solution for use as a bowel-cleansing regimen prior to colonoscopy in a Japanese population.Subjects ...

Understanding self-photorechargeability of WO(3) for H(2) generation without light illumination.

ChemSusChem 6(2) , 291-8, (2013)

This work presents insight into the self-photorechargeability of WO(3), whereby the intercalation of positive alkali cations is accompanied by the simultaneous storage of photo-excited electrons. The ...

 Synonyms

potassium hydrogen sulfate
EINECS 231-594-1
MFCD00011404
Sodium propyl sulphate
copper sulfate
sulfuric acid potassium salt
Sulfuric acid,monopropyl ester,sodium salt
Sodium propyl sulfate
Sulfuric acid,monopropyl ester,sodium salt (1:1)
Schwefelsaeure-monopropylester,Natrium-Salz
Schwefelsaeure-monopropylester,Natrium-Verbindung
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Chemsrc provides Potassium bisulfate(CAS#:7646-93-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Potassium bisulfate are included as well.>> amp version: Potassium bisulfate

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