Substance Information
Substance Information
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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More
Sodium nitrite
EC / List no.: 231-555-9
CAS no.: 7632-00-0
Mol. formula: NNaO2
Danger! According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance is toxic if swallowed, is very toxic to aquatic life and may intensify fire (oxidiser).
Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance causes serious eye irritation.
This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 000 tonnes per annum.
This substance is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
This substance is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Consumer Uses
This substance is used in the following products:
anti-freeze products,
adhesives and sealants,
coating products,
fillers, putties, plasters, modelling clay,
finger paints,
metal surface treatment products,
non-metal-surface treatment products,
inks and toners and
lubricants and greases.
Other release to the environment of this substance is likely to occur from:
indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners),
outdoor use,
indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and
outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).
Article service life
Release to the environment of this substance can occur from industrial use:
of articles where the substances are not intended to be released and where the conditions of use do not promote release.
Other release to the environment of this substance is likely to occur from:
outdoor use in long-life materials with high release rate (e.g. tyres, treated wooden products, treated textile and fabric, brake pads in trucks or cars, sanding of buildings (bridges, facades) or vehicles (ships)),
indoor use in long-life materials with high release rate (e.g. release from fabrics, textiles during washing, removal of indoor paints),
indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment) and
outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials).
This substance can be found in complex articles, with no release intended:
vehicles,
Vehicles (e.g. personal vehicles, delivery vans, boats, trains, metro or planes)),
machinery, mechanical appliances and electrical/electronic products e.g. refrigerators, washing machines, vacuum cleaners, computers, telephones, drills, saws, smoke detectors, thermostats, radiators, large-scale stationary industrial tools) and
machinery, mechanical appliances and electrical/electronic products (e.g. computers, cameras, lamps, refrigerators, washing machines).
This substance can be found in products with material based on:
metal (e.g. cutlery, pots, toys, jewellery),
metal used for large surface area articles (e.g. construction and building materials used for roof sheets, pipes),
metal used for packaging (excluding food packaging),
metal used for furniture & furnishings (e.g. outdoor furniture, benches, tables),
wood used for large surface area articles (e.g. construction and building materials for floors, claddings),
wood used for furniture & furnishings and
wood.
This substance is intended to be released from:
packaging material for metal parts (releasing grease/corrosion inhibitors).
Widespread uses by professional workers
This substance is used in the following products:
anti-freeze products,
metal surface treatment products,
adhesives and sealants,
coating products,
fillers, putties, plasters, modelling clay,
finger paints,
non-metal-surface treatment products and
inks and toners.
This substance is used in the following areas:
formulation of mixtures and/or re-packaging,
offshore mining and
building & construction work.
This substance is used for the manufacture of:
machinery and vehicles,
chemicals,
fabricated metal products and
.
Release to the environment of this substance can occur from industrial use:
formulation of mixtures and
of substances in closed systems with minimal release.
Other release to the environment of this substance is likely to occur from:
indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners),
outdoor use,
indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and
outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).
Formulation or re-packing
This substance is used in the following products:
adhesives and sealants,
coating products,
fillers, putties, plasters, modelling clay,
finger paints,
metal surface treatment products,
non-metal-surface treatment products and
inks and toners.
Release to the environment of this substance can occur from industrial use:
formulation of mixtures.
Uses at industrial sites
This substance is used in the following products:
hydraulic fluids,
lubricants and greases,
heat transfer fluids,
metal working fluids and
anti-freeze products.
This substance is used in the following areas:
offshore mining.
This substance is used for the manufacture of:
chemicals,
fabricated metal products and
machinery and vehicles.
Release to the environment of this substance can occur from industrial use:
as processing aid,
as an intermediate step in further manufacturing of another substance (use of intermediates),
of substances in closed systems with minimal release and
in the production of articles.
Manufacture
Release to the environment of this substance can occur from industrial use:
manufacturing of the substance and
as an intermediate step in further manufacturing of another substance (use of intermediates).
The InfoCard summarises the non-confidential data on substances as held in the databases of the European Chemicals Agency (ECHA), including data provided by third parties. The InfoCard is automatically generated. Information requirements under different legislative frameworks may therefore not be up–to–date or complete. Substance manufacturers and importers are responsible for consulting official publications. This InfoCard is covered by the ECHA Legal Disclaimer.
about INFOCARD - Last updated: 06/09/2023