Skip to content
Molekula

Molekula

Potassium perchlorate

SKU 90026480 CAS 7778-74-7 ClKO4 MW 138.55 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Potassium perchlorate is an inorganic oxidizing agent used in pyrotechnics, rocket propellants, and laboratory synthesis. It appears as a white crystalline solid and is highly reactive with combustible materials. CAS: 7778-74-7, Molecular formula: ClKO4, Molecular weight: 138.55 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Potassium perchlorate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White crystalline powder
Identification Conforms to reference
pH 5.5 - 8.5
Chloride (Cl-) ≤ 0.05 %
Purity ≥ 99.20 %
Moisture ≤ 0.02 %
Water insoluble matter ≤ 0.02 %
Hypochlorite Not Detected
Perchlorate (ClO4) ≤ 0.03 %
Sodium perchlorate (NaClO4) ≤ 0.20 %
Potassium bromate (KBrO3) ≤ 0.02 %
Calcium Magnesium Salts (As Oxide) ≤ 0.20 %
Residue (150 µm) ≤ 0.20 %

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 5.1
Packing Group II
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Colorless orthorhombic crystals
Melting Point 525 °C
Density 2.53 g/cm³
Water Solubility 15 g/L at 25 °C
Refractive Index 1.4717

Source: PubChem CID 516900 (HSDB)

Identification

Property Value
SKU 90026480
CAS Number 7778-74-7
IUPAC Name potassium perchlorate
EC Number 231-912-9
Molecular Formula ClKO4
Molecular Weight 138.55
Exact Mass 137.9122
SMILES [O-]Cl(=O)(=O)=O.[K+]
InChIKey YLMGFJXSLBMXHK-UHFFFAOYSA-M
InChI InChI=1S/ClHO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1
PubChem CID 516900
UN Number UN1489
REACH Code Y110
TSCA Listed Yes
HTS Code 2829.90.40.00
Tariff Code 2829901000

Safety & GHS

Danger
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H271 May cause fire or explosion; strong oxidizer
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H373 May cause damage to organs through prolonged or repeated exposure

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Astrumal
  • Irenat
  • KClO4
  • Perchloracap
  • Perchloric acid, potassium salt
  • Peroidin
  • Pertiroid
  • Potassium hyperchloride
  • Potassium perchlorate (KClO4)
  • Spectrex Fire Extinguishant Formulation A

Frequently asked questions

What is potassium perchlorate used for?

Potassium perchlorate is primarily used in pyrotechnics, rocket propellants, and as an oxidizing agent in chemical synthesis.

What is the chemical formula and molecular weight of potassium perchlorate?

The formula is ClKO4 and the molecular weight is 138.55 g/mol.

How should potassium perchlorate be stored?

It should be stored at ambient temperature, away from combustible materials and incompatible substances.

What grade of potassium perchlorate does Molekula supply?

Molekula supplies potassium perchlorate in reagent grade, suitable for laboratory and industrial applications.

Can Molekula supply potassium perchlorate in bulk?

Yes, Molekula can supply potassium perchlorate in bulk quantities—please contact sales for pricing and availability.

What documentation comes with a purchase of potassium perchlorate?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket