perchloric acid

ClHO4

CAS7601-90-3

Danger

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Identification

CAS Number: 7601-90-3
EC Number: 231-512-4
UN Number: 1873
Index Number: 017-006-00-4
PubChem CID: 24247

Physical-chemical properties

Molecular Formula: ClHO4
Molar Mass: 100.46 g/mol
IUPAC Name: perchloric acid

Chemical Identifiers

InChI: InChI=1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)
InChI Key: VLTRZXGMWDSKGL-UHFFFAOYSA-N

Overview

perchloric acid (CAS: 7601-90-3) is a chemical compound widely used in industry. The molecular formula is ClHO4. The molar mass is 100.46 g/mol.

Safety & Classification

Danger

Classification:

Ox. Liq. 1; Skin Corr. 1A

GHS Pictograms

Flame Over Circle

GHS03

Oxidizing. May cause or intensify fire.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H271

May cause fire or explosion; strong oxidiser.

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

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	1873
ADR Class	5.1
Packing Group
Tunnel Code
Proper Shipping Name	Perchlorsäure, wasserfrei
Marine Pollutant	No

Frequently Asked Questions

What is perchloric acid?

perchloric acid (CAS 7601-90-3) is a chemical substance with the formula ClHO4 used in various industrial applications.

What are the properties of perchloric acid?

perchloric acid has a molar mass of 100.46 g/mol. It is classified as Ox. Liq. 1; Skin Corr. 1A. See the technical data above for more details.

How to store perchloric acid safely?

perchloric acid 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 perchloric acid dangerous?

perchloric acid carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy perchloric acid?

You can order perchloric acid (CAS 7601-90-3) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.