HNaO
39.997 g/mol
Industrial ChemicalDanger
SODIUM HYDROXIDE
CAS1310-73-2EC215-185-5
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
industrial cleaning and manufacturing agent
Sodium hydroxide, also known as lye or caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations and hydroxide anions.
industrial cleaning agentmanufacturing agent
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
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
StrongForm Family
Potassium hydroxide
CAS1310-58-3
used in soaps, drain cleaners, electroplating
StrongStructure SimilarSimilarity 1.00
Copper oxychloride
CAS1332-40-7
agricultural fungicide
StrongStructure SimilarSimilarity 1.00
Zinc Borate 2335
CAS138265-88-0
flame retardant for PVC
StrongStructure SimilarSimilarity 1.00
Zirconium(IV) hydroxide
CAS14475-63-9
Solid acid catalyst preparation
ReferenceSame Category
Ammonium phosphotungstate trihydrate
CAS1311-90-6
Catalyst in chemical synthesis
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H290May be corrosive to metals
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H370Causes damage to organs
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for SODIUM HYDROXIDE (CAS 1310-73-2) is 2815.11, 2815.12.
HS code (international, 6-digit)
2815.11, 2815.12
EU CN code (8-digit)
2815 11 00, 2815 12 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
sodium hydroxide
InChIKey
HEMHJVSKTPXQMS-UHFFFAOYSA-M
SMILES
[OH-].[Na+]
Synonyms (101)
- E-524
- LYE
- Reagecon Sodium Hydroxide 0.1N according to United States Pharmacopoeia (USP)
- Reagecon Sodium Hydroxide Alcoholic 0.1N according to United States Pharmacopoeia (USP)
- Sodium hydroxide pellets USP-NF
- USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP
- 0.1M Sodium hydroxide
- 1M Sodium hydroxide
- Aetznatron
- Ascarite
- Ascarite II
- Caswell No. 773
- Caustic soda
- Caustic soda, bead
- Caustic soda, dry
- Caustic soda, flake
- Caustic soda, granular
- Caustic soda, liquid
- Caustic soda, solid
- Collo-Grillrein
- Collo-Tapetta
- Fuers Rohr
- Hydroxide, Sodium
- Hydroxyde de sodium
- Hydroxyde de sodium [French]
- Lewis-red devil lye
- Liquid-plumr
- Na (O H)
- Natrii hydroxydum
- Natrium causticum
- Natrium-hydroxid, reinstes
- Natriumhydroxid
- Natriumhydroxid [German]
- Natriumhydroxyde
- Natriumhydroxyde [Dutch]
- Plung
- Promoter 3308b
- Rohrputz
- Rohrreiniger Rofix
- SODIUM HYDROXIDE
- SODIUM HYDROXIDE [MART.]
- Soda asbestos
- Soda lye
- Soda, caustic
- Soda, hydrate
- Soda, kaustische
- Sodio(idrossido di)
- Sodio(idrossido di) [Italian]
- Sodium Hdyroxide 4% W/V
- Sodium Hydroxide 22% W/W
- Sodium Hydroxide Flakes
- Sodium hydrate
- Sodium hydroxide (JP18/NF)
- Sodium hydroxide (Na(OH))
- Sodium hydroxide (Na2(OH)2)
- Sodium hydroxide beads
- Sodium hydroxide dimer
- Sodium hydroxide liquid
- Sodium hydroxide pearls
- Sodium hydroxide solution
- Sodium hydroxide, anhydrous
- Sodium hydroxide, bead
- Sodium hydroxide, dry
- Sodium hydroxide, flake
- Sodium hydroxide, granular
- Sodium hydroxide, pearl
- Sodium hydroxide, pellets
- Sodium hydroxide, solid
- Sodium(hydroxyde de)
- Sodium(hydroxyde de) [French]
- Stamperprep
- Tosoh pearl
- White caustic
- hydroxyl sodium
- sodium hydoxide
- sodium hyroxide
- sodiumhydroxid
- soude caustique
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