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Ingredients

Ingredient Dictionary

N,N-BIS(2-HYDROXYETHYL)-P-PHENYLENEDIAMINE SULFATE

Korean limit
2.9%
Molecular structure

Definition

US FDA substance register · UNII 3X5A8DP6HC · registered name N,N-BIS(2-HYDROXYETHYL)-P-PHENYLENEDIAMINE SULFATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Dyes hairHAIR DYEING

Safety & regulatory references

Restricted
China · South Korea · Taiwan · United Kingdom

Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · Taiwan FDA cosmetic regulations · UK cosmetics regulations (OPSS)

ASEAN

  • Field of application and/or use : Hair dye substance in oxidative hair dye products. Use for dyeing eyelashes and eyebrows is not permitted.
  • Other limitations and requirements : After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.5% (calculated as sulphate) • Do not use with nitrosating agents • Maximum nitrosamine content: 50μg/kg • Keep in nitrite-free containers The direction for use “wear suitable gloves” must be included in label or leaflet text.
  • Conditions of use and warning which must be printed on the labels : The mixing ratio must be printed on the label. Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “black henna” tattoos may increase your risk of allergy. Do not colour your hair if: • you have a rash on your face or sensitive, irritated and damaged scalp, • you have ever experienced any reaction after colouring your hair, • you have experienced a reaction to a temporary “black henna” tattoo in the past Do not use to dye eyelashes or eyebrows Indonesia only: "Rinse the eyes immediately if product comes into contact with them because it can cause irritation”.

European Union

  • Product Type, body parts : Hair dye substance in oxidative hair dye products
  • Other : After mixing under oxidative conditionsthe maximum concentration applied to hair must not exceed 2,5% (calculated as sulphate) - Do not use with nitrosating agents - Maximum nitrosamine content: 50 microgram/Kg
  • Wording of conditions of use and warnings : To be printed on the label: Hair colorants can cause severe allergic reactions

Source: MFDS (Korea) cosmetic regulatory information

EU Cosmetics Regulation, Annex III (restricted substances), entry 198 · applies to Hair dye substance in oxidative hair dye products

Source: EU restricted substances (Annex III)

Restriction III/198 · SCCS opinion: Opinion on N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate

Source: EU CosIng ingredient list

Reviewed by CIR: Re-evaluation: N,N-Bis(2-Hydroxyethyl)-p-Phenylenediamine Sulfate

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Names & identifiers

N,N-BIS(2-HYDROXYETHYL)-P-PHENYLENEDIAMINE SULFATEINCIEthanol, 2,2'-[(4-aminophenyl)imino]bis-, sulfate (1:1) (salt)SynonymN,N-비스(2-히드록시에틸)-p-페닐렌디아민설페이트Korean label name (MFDS standard)
CAS No.chemical registry number
54381-16-7
CAS No.chemical registry number
57524-61-5
CAS No.chemical registry number
58262-44-5
EC No.EU chemical inventory number
259-134-5
DTXSIDUS EPA chemical ID
DTXSID5020075
DTXCIDUS EPA compound ID
DTXCID7075
IUPAC
Sulfuric acid--2,2'-[(4-aminophenyl)azanediyl]di(ethan-1-ol) (1/1)
Molecular formula
C10H18N2O6S
Molecular weight
294.32 g/mol

What products actually use it for

What the 3 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

  • Dye3

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 3 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 5 studies
  • SkinSens1
    Skin Sensitization · QSAR Predicted
  • Ambiguous
    skin sensitisation: in vivo (LLNA) · Screening · equivalent or similar to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
  • Severe Irritation
    eye irritation: in vitro / ex vivo · Screening · other guideline: OECD Guideline 438 (Isolated Chicken Eye Test Method for Identifying i) Chemicals Inducing Serious Eye Damage and ii) Chemicals Not Requiring Classification for Eye Irritation or Serious Eye Damage) Adopted : 26 July 2013 according to
  • Ambiguous
    eye irritation: in vitro / ex vivo · Screening · other guideline: OECD 438 (Isolated Chicken Eye Test Method for Identifying Ocular Corrosives and Severe Irritants) equivalent or similar to
  • Ambiguous
    eye irritation: in vitro / ex vivo · Screening · other guideline: OECD Guideline 492 (Reconstructed Human Cornea-like Epithelium (RhCE) Test Method for Identifying Chemicals Not Requiring Classification and Labelling for Eye Irritation or Serious Eye Damage) according to

Source: US EPA CompTox dashboard

Linked databases 20