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Ingredient Dictionary

HC RED NO. 1

Korean limit
1%
Molecular structure

Definition

US FDA substance register · UNII 1FZM1701IS · registered name HC RED NO. 1 · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

HC Red No. 1 is the hair color that conforms to the formula

Cosmetic roles

Dyes hairHAIR DYEING

Safety & regulatory references

Restricted
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 non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
  • Maximum authorised concentration in the finished cosmetic product : 1.0%
  • Other limitations and requirements : 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 : 0.5%

South Korea

  • Maximum concentration : 1%

European Union

  • Product Type, body parts : Hair dye substance in non-oxidative hair dye products
  • Maximum concentration in ready for use preparation : 1,0%
  • Wording of conditions of use and warnings : Hair colorants can cause severe allergic reactions.

Source: MFDS (Korea) cosmetic regulatory information

EU Cosmetics Regulation, Annex III (restricted substances), entry 258 · maximum concentration 1,0% · applies to Hair dye substance in non-oxidative hair dye products

Source: EU restricted substances (Annex III)

Restriction Annex III/258 · SCCS opinion: Opinion on 5-Amino-4-Chloro-o-Cresol HCl; Opinion on HC Red No. 1

Source: EU CosIng ingredient list

Reviewed by CIR: 40th Anniversary Overview and Rereview Summaries From 2011 to 2015

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report on the Safety Assessment of HC Red No. 1

Source: US Cosmetic Ingredient Review (CIR)

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

Official labels & definitions

JCIA labelling name ＨＣ赤１: 本品は、次の化学式で表される頭髪用染料である。

Source: JCIA labelling names (Japan)

Names & identifiers

HC RED NO. 1INCI에치씨적색1호Korean label name (MFDS standard)1,4-Benzenediamine, 2-nitro-N1-phenyl-SynonymHC RED NO.1SynonymＨＣ赤１Japanese labelling name
CAS No.chemical registry number
2784-89-6
EC No.EU chemical inventory number
220-494-3
DTXSIDUS EPA chemical ID
DTXSID4062640
DTXCIDUS EPA compound ID
DTXCID0037736
IUPAC
2-Nitro-N~1~-phenylbenzene-1,4-diamine
Molecular formula
C12H11N3O2
Molecular weight
229.239 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 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 1 studies
  • SkinSens1
    Skin Sensitization · QSAR Predicted

Source: US EPA CompTox dashboard

Linked databases 20

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