Substance Information

Data platform availability banner - infocard, search, nanomaterias

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

 

L-tryptophan

EC / List no.: 200-795-6

CAS no.: 73-22-3

Mol. formula: C11H12N2O2

formula
According to the notifications provided by companies to ECHA in REACH registrations no hazards have been classified.

This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 100 to < 1 000 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: washing & cleaning products, adhesives and sealants, air care products, anti-freeze products, biocides (e.g. disinfectants, pest control products), coating products, fillers, putties, plasters, modelling clay, leather treatment products, lubricants and greases, perfumes and fragrances, polishes and waxes and cosmetics and personal care products.
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 as processing aid and 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).

Article service life

Other release to the environment of this substance is likely to occur from: indoor use in long-life materials with high release rate (e.g. release from fabrics, textiles during washing, removal of indoor paints) and indoor use as processing aid.
This substance is intended to be released from scented: clothes, paper products and CDs.

Widespread uses by professional workers

This substance is used in the following products: washing & cleaning products, laboratory chemicals, cosmetics and personal care products, adhesives and sealants, air care products, anti-freeze products, biocides (e.g. disinfectants, pest control products), coating products, fillers, putties, plasters, modelling clay, leather treatment products, lubricants and greases, photo-chemicals and polishes and waxes.
This substance is used in the following areas: health services and scientific research and development.
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) and outdoor use as processing aid.

Formulation or re-packing

This substance is used in the following products: laboratory chemicals, pharmaceuticals, cosmetics and personal care products and pH regulators and water treatment products.
Release to the environment of this substance can occur from industrial use: formulation of mixtures and formulation in materials.

Uses at industrial sites

This substance is used in the following products: cosmetics and personal care products, laboratory chemicals, pharmaceuticals, perfumes and fragrances and washing & cleaning products.
This substance has an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used in the following areas: formulation of mixtures and/or re-packaging, scientific research and development, health services, mining and agriculture, forestry and fishing.
This substance is used for the manufacture of: chemicals and electrical, electronic and optical equipment.
Release to the environment of this substance can occur from industrial use: as an intermediate step in further manufacturing of another substance (use of intermediates), in the production of articles, in processing aids at industrial sites and as processing aid.

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance.

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.

ECHA logo about INFOCARD - Last updated: 06/09/2023