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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Sodium hydroxide
EC Number:
215-185-5
EC Name:
Sodium hydroxide
CAS Number:
1310-73-2
Molecular formula:
HNaO
IUPAC Name:
sodium hydroxide

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Sodium hydroxide
  • 215-137-3
  • 215-185-5
  • 215-185-5
  • 1310-73-2
  • 1310-73-2
  • caustic soda
  • 50 % Caustic soda
  • AQUAPEARL E-200
  • AQUAPEARL HPS
  • Aetznatron
  • Agent T007
  • Borol
  • CAS 1310-73-2
  • CAUSTIC SODA
  • CK-Polymers
  • Caustic Soda
  • Caustic Soda Diaphragm Grade 10%, 15%, 18%, 20%, 25%, 30%, 35%, 40%, 50%
  • Caustic Soda Membrane 6%, 18%, 20%, 25%, 30%, 48%, 50%
  • Caustic Soda NaOH
  • Caustic Soda Pearl
  • Caustic Soda Solution
  • Caustic soda
  • Caustic soda 20 % solution
  • Caustic soda 30 % solution
  • Caustic soda 50 % solution
  • Caustic soda liquor
  • Caustic soda lye
  • Caustic soda pearls
  • Caustic soda solution
  • Formosoda
  • Hydroxid sodný
  • Hydroxyde de sodium
  • IL-IT
  • IS-IT
  • Membrane 30% Caustic Soda
  • Membrane 50% Caustic Soda
  • NATRONLAUGE
  • NaOH
  • Natrium hydroxid
  • Natriumhydroxid
  • Natronlauge
  • Natronlauge 32% (PBG 10563296)
  • Natronlauge 50% (PRD 30222040)
  • Natronloog
  • Polyanionic Cellulose Polymer
  • SANFRESH DK-200VB
  • SANFRESH DK-300V
  • SANFRESH DK-500B
  • SANFRESH ST-555
  • SANWET EA-100
  • SODIUM HYDROXIDE SOLUTION
  • SODIUM HYDROXIDE, liquid
  • Soda lye
  • Soda, caustic
  • Sodium Carboxymethyl Cellulose
  • Sodium Hydroxide
  • Sodium Hydroxide 50% Solution
  • Sodium hydrate
  • Sodium hydroxide
  • Sodium hydroxide (8CI)
  • Sodium hydroxide (Na(OH)) (9CI)
  • Sodium hydroxide in aqueous solution
  • Sodium hydroxide liquid
  • Sodium hydroxide solutions
  • Soude caustique en paillette
  • Wodorotlenek sodu
  • caustic lye
  • caustic soda
  • caustic soda flakes
  • caustic soda solution
  • lye
  • lye solution
  • soda kaustyczna
  • soda lye
  • sodium hydrate solution
  • sodium hydroxide
  • sodium hydroxide liquid
  • soude caustique liquide 30-50%
  • ług sodowy 33%
  • ług sodowy 50%
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydroxide
    EC Number:
    215-185-5
    EC Name:
    Sodium hydroxide
    CAS Number:
    1310-73-2
    Molecular formula:
    HNaO
    IUPAC Name:
    sodium hydroxide
    State Form:
    solid: bulk
    Degree of purity:
    >= 97 - <= 100 % (w/w)