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  • cleaning
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Taurine

CAS 91105-79-2 · 60/100 · High conf.

Also registered as 4 other CAS numbers

1365481-05-5 · 1629855-90-8 · 2087491-53-8 · 107-35-7

Taurine chemical structure

Concern score

60/100High concern based on regulatory listings.
High confidence

Taurine in plain language

What it is

Also known as Aminoethylsulfonic acid · 2-AMINOETHANESULFONIC acid · l-Taurine · Taurate · 2-Aminoethane-1-sulfonic acid · Ethanesulfonic acid, 2-amino-

Show all 20 names

1-Aminoethane-2-sulfonic acid · 2-Aminoethansulfonic acid · 2-Aminoethylsulfonic acid · 2-Sulfoethylamine · 2-amino-Ethanesulfonic acid · Aminoethanesulfonic acid · NCI-C60606 · O-Due · Taukard · Taurina · Taurinum · beta-Aminoethylsulfonic acid · taufon · tauphon

What it does

Used in cosmetics as a pH buffer.

  • Buffering
  • Flavouring agent
  • pH adjuster
  • Fragrance
  • Flavouring
Is it a concern?
High concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 142 composition records across product categories including Laboratory supplies, Personal care, Raw materials.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Taurine appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUEFSAEFSA opinion5 entries
    • Scientific Opinion on the safety and efficacy of taurine as a feed additive for all animal species (EFSA FEEDAP)Source →
    • Scientific Opinion on the safety and efficacy of the use of amino acids (chemical group 34) when used as flavourings for all animal species (EFSA FEEDAP)Source →
    • Scientific Opinion on Flavouring Group Evaluation 96 (FGE.96): Consideration of 88 flavouring substances considered by EFSA for which EU production volumes / anticipated production volumes have been submitted on request by DG SANCO. Addendum to FGE. 51, 52, 53, 54, 56, 58, 61, 62, 63, 64, 68, 69, 70, 71, 73, 76, 77, 79, 80, 83, 84, 85 and 87 (EFSA CEF)Source →
    • The use of taurine and D-glucurono-gamma-lactone as constituents of the so-called “energy” drinks (EFSA ANS)Source →
    • Flavouring Group Evaluation 79, (FGE.79). Consideration of amino acids and related substances evaluated by JECFA (63rd meeting) structurally related to amino acids from chemical group 34 evaluated by EFSA in FGE.26Rev1 (2008). Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (EFSA AFC)Source →
  • USFDAlisted in openFDA substance2 entries
    • openFDA substance registry classifies this ingredient as concept.Source →
    • openFDA substance registry classifies this ingredient as chemical.Source →
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • GLOBALJECFAEvaluatedJECFA evaluation record.
  • GLOBALJECFANo safety concern at current levels of intake when used as a flavouring agentJECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.
    • JECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 142 composition records across product categories including Laboratory supplies, Personal care, Raw materials. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Fragrance, No specific technical function.
    • EPA CPDat observed this chemical in 142 composition records across product categories including Laboratory supplies, Personal care, Raw materials. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Fragrance, No specific technical function.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 18 active drug products and 19 total products.
    • FDA NDC lists this ingredient in 18 active drug products and 19 total products.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • EFSA

    European Food Safety Authority

    • Scientific Opinion on the safety and efficacy of taurine as a feed additive for all animal species (EFSA FEEDAP)

      2012 · EU EFSA listing · Read the source →

    • Scientific Opinion on the safety and efficacy of the use of amino acids (chemical group 34) when used as flavourings for all animal species (EFSA FEEDAP)

      2014 · EU EFSA listing · Read the source →

    • Scientific Opinion on Flavouring Group Evaluation 96 (FGE.96): Consideration of 88 flavouring substances considered by EFSA for which EU production volumes / anticipated production volumes have been submitted on request by DG SANCO. Addendum to FGE. 51, 52, 53, 54, 56, 58, 61, 62, 63, 64, 68, 69, 70, 71, 73, 76, 77, 79, 80, 83, 84, 85 and 87 (EFSA CEF)

      2011 · EU EFSA listing · Read the source →

    • The use of taurine and D-glucurono-gamma-lactone as constituents of the so-called “energy” drinks (EFSA ANS)

      2009 · EU EFSA listing · Read the source →

    • Flavouring Group Evaluation 79, (FGE.79). Consideration of amino acids and related substances evaluated by JECFA (63rd meeting) structurally related to amino acids from chemical group 34 evaluated by EFSA in FGE.26Rev1 (2008). Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (EFSA AFC)

      2008 · EU EFSA listing · Read the source →

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    • JECFA evaluation record.

      Year not recorded · GLOBAL JECFA listing · Read the source →

    • JECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.

      Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

No graded research studies for Taurine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

9 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →

  • EPA Chemical and Products Database

    exposure · updated September 2018

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2028-03-09

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • WHO JECFA Database

    regulatory · updated 2026-10-04

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →
Reference links (2)

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Taurine in a product composition. These are source records, not Greenveil catalog products.

Source records

142

Named organisations

6

Laboratory suppliesPersonal careRaw materials

Typical roles

BufferingFlavouring agentpH adjusterFragranceFlavouring
See products using Taurine →

Catalog

Found in these products

Their ingredient lists include Taurine; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 1000+ →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Taurine in the catalog.