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Molekula

Molekula

Potassium hydroxide pellets - Ph. Eur, BP, USP, NF, FCC

SKU 90037453 CAS 1310-58-3 KOH MW 56.11 Made to order 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 hydroxide pellets are a strong alkaline compound widely used in chemical synthesis, food processing, pH regulation, and soap manufacturing. It also serves as the electrolyte in alkaline batteries, a bath component in electroplating, a wet etchant in semiconductor manufacturing, and a reagent for alkalimetric titrations. This high-purity grade meets Ph. Eur, BP, USP, NF, and FCC standards, ensuring suitability for pharmaceutical, cosmetic, and food-grade applications. With a CAS number of 1310-58-3, molecular formula KOH, and molecular weight of 56.11, it is stored at ambient temperatures. Proper handling is required due to its hazardous nature, indicated by the "Danger" signal word. Molekula supplies potassium hydroxide pellets from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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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.

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Specifications

Property Value
Identification Conforms to reference
Chloride (Cl-) ≤0.008%
Assay 85.0 - 100.5%
Residual Solvents Excluded by the manufacturing process
Heavy Metals (Pb) ≤0.0005%
Iron (Fe) ≤0.0010%
Lead (Pb) ≤0.0002%
Mercury (Hg) ≤0.00001%
Arsenic (As) ≤0.0003%
Calcium (Ca) ≤0.002%
Copper (Cu) ≤0.0005%
Zinc (Zn) ≤0.0025%
Sodium (Na) ≤1.0%
Aluminium (Al) ≤0.001%
Sulphates (SO4)(2-) ≤0.005%
Phosphate (PO4)3- ≤0.002%
Assay (acidimetric) ≥85.0%
Total nitrogen (N) ≤0.0005%
Silicon Dioxide (SiO2) ≤0.01%
Assay (K) ≥59.9%
Potassium carbonate (K₂CO₃) ≤2.0%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8
Packing Group II
Acidity Base

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance White rhombic crystals
Odour Odorless
Melting Point 380 °C
Boiling Point 1327 °C
Density 2.044 g/cm³
Solubility (other solvents) Soluble in ethanol, methanol
Vapour Pressure 1 mmHg at 714 °C

Source: PubChem CID 14797 (HSDB, ICSC)

Identification

Property Value
SKU 90037453
CAS Number 1310-58-3
IUPAC Name potassium hydroxide
EC Number 215-181-3
Molecular Formula KOH
Molecular Weight 56.11
Exact Mass 55.9664
SMILES [OH-].[K+]
InChIKey KWYUFKZDYYNOTN-UHFFFAOYSA-M
InChI InChI=1S/K.H2O/h;1H2/q+1;/p-1
PubChem CID 14797
UN Number UN1813
REACH Code Y110
TSCA Listed Yes
HTS Code 2815.20.0050
Tariff Code 2815200000

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H290 May be corrosive to metals
  • H302 Harmful if swallowed
  • H314 (sub cat. 1A) Causes severe skin burns and eye damage

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • 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

No alternate names recorded for this product.

Frequently asked questions

What are the primary industrial and food-grade applications for Potassium hydroxide pellets?

Potassium hydroxide pellets are used in food processing (e.g., pH regulation in soft drinks, pet foods), chemical manufacturing (e.g., biodiesel production, soaps, detergents), and pharmaceuticals (e.g., alkaline reagent in APIs).

What is the molecular formula and molecular weight of Potassium hydroxide pellets?

The molecular formula is **KOH**, and the molecular weight is **56.11 g/mol**.

What safety classification does Potassium hydroxide pellets have, and how should it be handled?

Potassium hydroxide pellets are classified as **Danger** (corrosive, causes severe skin/eye damage). Handle with gloves, goggles, and in a well-ventilated area, avoiding moisture exposure.

What grades of Potassium hydroxide pellets does Molekula supply, and are they suitable for pharmaceutical/food applications?

Molekula supplies **Ph. Eur, BP, USP, NF, and FCC grades**, all compliant with pharmaceutical and food-grade standards for regulated applications.

Can Molekula supply Potassium hydroxide pellets in bulk quantities, and what packaging options are available?

Yes, bulk quantities are available—typically in **25 kg bags, 500 kg drums, or IBCs (1000 kg)**—with custom packaging options upon request.

What documentation is provided with an order of Potassium hydroxide pellets, especially for pharmaceutical/food-grade batches?

Each order includes a **Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation** (e.g., Ph. Eur/USP compliance certificates) for traceability and regulatory compliance.

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