HC Red No. 3 is a C-nitro compound.
Definition
HC Red No. 3 is a C-nitro compound.
Source: PubChem
US FDA substance register · UNII 51CPX7M1SQ · registered name HC RED NO. 3 · single chemical substance
Cosmetic roles
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 : (a) Hair dye substance in oxidative hair dye products (b) 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 : (b) 3.0 %
- Other limitations and requirements : (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0.45 % For (a) and (b): — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg(21) — 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 : For a) To be printed on the label: The mixing ratio For a) and b) 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%
European Union
- Product Type, body parts : a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products
- Maximum concentration in ready for use preparation : (b) 3,0%
- Other : (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,45 % For (a) and (b): — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg — Keep in nitrite-free containers
- Wording of conditions of use and warnings : For (a): To be printed on the label: The mixing ratio. For (a) and (b): “ 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
Source: MFDS (Korea) cosmetic regulatory information
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
EU Cosmetics Regulation, Annex III (restricted substances), entry 266 · maximum concentration (b) 3,0% · applies to a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products
Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Opinion on HC Red no 3
Source: EU CosIng ingredient list
Reviewed by CIR: Annual Review of Cosmetic Ingredient Safety Assessments: 2007-2010
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name HC赤3: 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
- CAS No.chemical registry number
- 2871-01-4
- EC No.EU chemical inventory number
- 220-701-7
- DTXSIDUS EPA chemical ID
- DTXSID2021236
- DTXCIDUS EPA compound ID
- DTXCID801236
- IUPAC
- 2-(4-Amino-2-nitroanilino)ethan-1-ol
- Molecular formula
- C8H11N3O3
- Molecular weight
- 197.194 g/mol
Measured properties
- Appearance
- Hc red 3 appears as fine dark maroon crystals or dark brown powder. (NTP, 1992) · Dark maroon or dark brown solid, [CAMEO]
- Melting point
- 260 to 262 °F (NTP, 1992)
- Solubility
- less than 0.1 mg/mL at 64 °F (NTP, 1992)
- pH
- 10.12 (pkb)
- Melting/freezing point
- 135~137 ℃
- Vapour pressure
- (7.2E-008mmHg 25℃(est.))
- Water solubility
- 0.104 g/㎖ (25℃(est.))
- n-Octanol/water partition coefficient (Kow)
- -0.42 (est.)
- Molecular weight
- 197.20
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
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
4 skin studies and 1 eye studies are on record.
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
- High Frequency of Sensitization
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) - Ambiguous
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to OECD Guideline 406 (Skin Sensitisation) Buelher test - Ambiguous
skin sensitisation: in vivo (LLNA) · Screening · equivalent or similar to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) - SkinSens1
Skin Sensitization · QSAR Predicted - Studies Indicate No Significant 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) according to
Source: US EPA CompTox dashboard
Related literature
Linked databases 26
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- EU restricted substances (Annex III)
- IARC carcinogen classification
- JCIA labelling names (Japan)
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic regulatory information 2 3 4
- PubChem 2
- Taiwan FDA cosmetic ingredients
- Taiwan FDA cosmetic regulations
- Tlooto literature search 2 3
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- US National Toxicology Program reports
- Wikidata