HKO
56.106 g/mol
Industrial ChemicalDanger
POTASSIUM HYDROXIDE
CAS1310-58-3EC215-181-3
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
used in soaps, drain cleaners, electroplating
Potassium hydroxide is an inorganic compound with the formula KOH, commonly called caustic potash. It is a strong base used in various industrial and household applications.
soapsdrain cleanerselectroplating
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongForm Family
Sodium hydroxide
CAS1310-73-2
industrial cleaning and manufacturing agent
StrongForm Family
MAGNESIUM HYDROXIDE
CAS1909-42-8
Compound for research and industrial applications
StrongForm Family
Calcium hydroxide
CAS1305-62-0
industrial chemical
StrongForm Family
Magnesium hydroxide
CAS1309-42-8
antacid and laxative
StrongStructure SimilarSimilarity 1.00
Lithium hydroxide
CAS1310-65-2
Battery manufacturing chemical
StrongStructure SimilarSimilarity 1.00
Copper oxychloride
CAS1332-40-7
agricultural fungicide
ReferenceSame Category
Lithium hydroxide monohydrate
CAS1310-66-3
Battery manufacturing and photographic processing
ReferenceSame Category
Ammonium phosphotungstate trihydrate
CAS1311-90-6
Catalyst in chemical synthesis
Safety Reference
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H290May be corrosive to metals
H318Causes serious eye damage
H301Toxic if swallowed
H304May be fatal if swallowed and enters airways
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for POTASSIUM HYDROXIDE (CAS 1310-58-3) is 2815.20.
HS code (international, 6-digit)
2815.20
EU CN code (8-digit)
2815 20 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
potassium hydroxide
InChIKey
KWYUFKZDYYNOTN-UHFFFAOYSA-M
SMILES
[OH-].[K+]
Synonyms (76)
- E-525
- KOH
- Potassium hydroxide, puriss., meets analytical specification of Ph. Eur., BP, NF, 85-100.5%, pellets
- Reagecon Potassium Hydroxide Alcoholic 0.1M according to United States Pharmacopoeia (USP)
- Reagecon Potassium Hydroxide Alcoholic 0.5N according to United States Pharmacopoeia (USP)
- USP Solution Potassium Hydroxide, Normal (1 N) Conforms to USP
- 0.1M Potassium hydroxide
- 0.5M Potassium hydroxide
- 11M Potassium hydroxide
- Aetzkali
- Caswell No. 693
- Caustic potash
- Cyantek CC 723
- Hydroxyde de potassium
- INS NO.525
- Kali causticum
- Kalilauge
- Kaliumhydroxid
- Kaliumhydroxyde
- MIRACLE WATER 3 in 1
- POTASSIUM HYDROXIDE
- POTASSIUM HYDROXIDE [MART.]
- Potash lye
- Potassa
- Potasse caustique
- Potasse caustique [French]
- Potassio (idrossido di)
- Potassium (hydroxyde de)
- Potassium Hydroxide (Powder)
- Potassium Hydroxide (~85%)
- Potassium Hydroxide, flakes
- Potassium hydrate
- Potassium hydroxide (JP18/NF)
- Potassium hydroxide (K(OH))
- Potassium hydroxide anhydrous
- Potassium hydroxide, flake
- Potassium hydroxide, p.a.
- Potassium hydroxide, pellet
- Potassium hydroxide, pellets
- Potassium hydroxide, solid
- hydroxyl potassium
- potasium hydroxide
- potassium hydorxide
- potassium hydoxide
- potassium hydroxid
- potassium hyroxide
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