potassium hydrogen sulfate

HKO4S

CAS7646-93-7

Danger

Consulting for potassium hydrogen sulfate

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Identification

CAS Number: 7646-93-7
EC Number: 231-594-1
UN Number: 2509
Index Number: 016-056-00-4
PubChem CID: 516920

Physical-chemical properties

Molecular Formula: HKO4S
Molar Mass: 136.17 g/mol
IUPAC Name: potassium hydrogen sulfate

Chemical Identifiers

InChI: 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

Overview

potassium hydrogen sulfate (CAS: 7646-93-7) is a chemical compound widely used in industry. The molecular formula is HKO4S. The molar mass is 136.17 g/mol.

Safety & Classification

Danger

Classification:

STOT SE 3; Skin Corr. 1B

GHS Pictograms

Exclamation Mark

GHS07

Harmful. May cause irritation, allergic reactions, or drowsiness.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H335

May cause respiratory irritation.

H314

Causes severe skin burns and eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Irritant

Measures if vapours or dust are inhaled

First Aid Actions

+P304IF INHALED:
+P340Remove person to fresh air and keep comfortable for breathing.
+P311Call a POISON CENTER/doctor.

Related hazard statements:

H335

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

+P302IF ON SKIN:
+P352Wash with plenty of water.
+P361Take off immediately all contaminated clothing.
+P313Get medical advice/attention.

Related hazard statements:

H314

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

+P305IF IN EYES:
+P351Rinse cautiously with water for several minutes.
+P338Remove contact lenses, if present and easy to do. Continue rinsing.
+P313Get medical advice/attention.

Related hazard statements:

H314

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	2509
ADR Class	8
Packing Group	II
Tunnel Code	E
Proper Shipping Name	Kaliumhydrogensulfat, fest
Marine Pollutant	No

Frequently Asked Questions

What is potassium hydrogen sulfate?

potassium hydrogen sulfate (CAS 7646-93-7) is a chemical substance with the formula HKO4S used in various industrial applications.

What are the properties of potassium hydrogen sulfate?

potassium hydrogen sulfate has a molar mass of 136.17 g/mol. It is classified as STOT SE 3; Skin Corr. 1B. See the technical data above for more details.

How to store potassium hydrogen sulfate safely?

potassium hydrogen sulfate should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is potassium hydrogen sulfate dangerous?

potassium hydrogen sulfate carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy potassium hydrogen sulfate?

You can order potassium hydrogen sulfate (CAS 7646-93-7) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.