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Ingredients

Ingredient Dictionary

HYDROXYETHYL-3,4-METHYLENEDIOXYANILINE HCL

Molecular structure

Definition

US FDA substance register · UNII 8IRK9YBY3K · registered name HYDROXYETHYL-3,4-METHYLENEDIOXYANILINE HYDROCHLORIDE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Dyes hairHAIR DYEING

Safety & regulatory references

Banned
South Korea
Restricted or banned
South Korea · Taiwan
Restricted
Taiwan · United Kingdom

Source: MFDS (Korea) cosmetic regulatory information · ASEAN Cosmetic Directive · EU Cosmetics Regulation · 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 1.5 % • Do not use with nitrosating systems • Maximum nitrosamine content: 50 μg/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

China

  • Maximum concentration : 1.5%

European Union

  • Product Type, body parts : Hair dye substance in oxidative hair dye products
  • Other : After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.5% - Do not use with nitrosating agents - Maximum nitrosamine content: 50 microgram/Kg - Keep in nitrite-free containers
  • Wording of conditions of use and warnings : Hair colourants can use severe allergic reactions Read and folow instructions

Source: MFDS (Korea) cosmetic regulatory information

EU Cosmetics Regulation, Annex III (restricted substances), entry 246 · applies to Hair dye substance in oxidative hair dye products

Source: EU restricted substances (Annex III)

Restriction III/246 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Safety Assessment of Hydroxyethyl-3,4-Methylenedioxyaniline HCl as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

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

Names & identifiers

HYDROXYETHYL-3,4-METHYLENEDIOXYANILINE HCLINCI하이드록시에틸-3,4-메틸렌다이옥시아닐린에이치씨엘Korean label name (MFDS standard)Ethanol, 2-(1,3-benzodioxol-5-ylamino)-, hydrochlorideSynonym
CAS No.chemical registry number
94158-14-2
EC No.EU chemical inventory number
303-085-5
DTXSIDUS EPA chemical ID
DTXSID20240825
DTXCIDUS EPA compound ID
DTXCID50163316
IUPAC
2-[(2H-1,3-Benzodioxol-5-yl)amino]ethan-1-ol--hydrogen chloride (1/1)
Molecular formula
C9H12ClNO3
Molecular weight
217.65 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

1 skin studies and 0 eye studies are on record.

Classed as highly irritating1

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 1 studies
  • High Frequency of Sensitization
    skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)

Source: US EPA CompTox dashboard

Related literature

Linked databases 21