4-nitro-1,2-phenylenediamine is the primary amino compound that is 1,2-phenylenediamine (o-phenylenediamine) substituted at the 4- (para-) position by a nitro group.
- Korean limit
- 1.5%
Definition
4-nitro-1,2-phenylenediamine is the primary amino compound that is 1,2-phenylenediamine (o-phenylenediamine) substituted at the 4- (para-) position by a nitro group. It is a C-nitro compound and a primary amino compound. It is functionally related to a 1,2-phenylenediamine.
Source: PubChem
US FDA substance register · UNII 5A9AX7Y0TT · registered name 4-NITRO-O-PHENYLENEDIAMINE · single chemical substance
Cosmetic roles
Safety & regulatory references
- Restricted
- 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 0.5% Indonesia only : After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0.1% 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%
European Union
- Product Type, body parts : Hair dye substance in oxidative hair dye products
- Other : (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed '0,5%
- Wording of conditions of use and warnings : To be printing on the label: Hair colorants can cause severe allergic reactions.
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 240 · applies to Hair dye substance in oxidative hair dye products
Restriction Annex III/240 · Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Opinion on 4-Nitro-o-phenylenediamine
Source: EU CosIng ingredient list
Reviewed by CIR: Annual Review of Cosmetic Ingredient Safety Assessments - 2004/2005
Reviewed by CIR: Final Report on the Safety Assessment of 2-Nitro-p-Phenylenediamine and 4-Nitro-o-Phenylenediamine
Reviewed by CIR: Final Report: Amended Safety Assessment of 4-Nitro-o-Phenylenediamine as used in Cosmetics
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 99-56-9
- EC No.EU chemical inventory number
- 202-766-3
- DTXSIDUS EPA chemical ID
- DTXSID9020958
- DTXCIDUS EPA compound ID
- DTXCID30958
- IUPAC
- 4-Nitrobenzene-1,2-diamine
- Molecular formula
- C6H7N3O2
- Molecular weight
- 153.141 g/mol
Measured properties
- Appearance
- 4-nitro-o-phenylenediamine appears as dark red needles or red solid. (NTP, 1992) · Dark red solid, [Merck Index] Brown or dark red crystalline powder, [MSDSonline]
- Melting point
- 390 to 394 °F (NTP, 1992) · 199.5 °C
- Solubility
- less than 1 mg/mL at 68.9 °F (NTP, 1992) · Soluble in acid
- Dissociation constant
- pKa = 2.61 (conjugate acid)
- Melting/freezing point
- 201 ℃
- Flammability (solid, gas)
- combustible
- Vapour pressure
- 0.000109 ㎜Hg (25℃(est.))
- Water solubility
- 13000 ㎎/ℓ (@ 25 ℃, est.)
- Vapour density
- 5.29
- n-Octanol/water partition coefficient (Kow)
- 0.88
- Molecular weight
- 153.14
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 1 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.
- Dye1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 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 1 studies
- SkinSens1
Skin Sensitization · QSAR Predicted
Source: US EPA CompTox dashboard
Related literature
- Attenuation of DMBA/croton oil induced mouse skin papilloma by Apodytes dimidiata mediated by its antioxidant and antimutagenic potential · 2016
- Chemopreventive activity of turmeric essential oil and possible mechanisms of action. · 2014
- Antiperoxidative, anti-inflammatory, and antimutagenic activities of ethanol extract of the mycelium of Ganoderma lucidum occurring in South India. · 2003
- 5 Final Report on the Safety Assessment of 2-Nitro-p-Phenylenediamine and 4-Nitro-o-Phenylenediamine · 1985
Linked databases 28
- 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)
- EU SCCS safety opinions
- IARC carcinogen classification
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3 4
- PubChem 2
- Taiwan FDA cosmetic ingredients
- Taiwan FDA cosmetic regulations
- Tlooto literature search 2 3 4
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3 4
- 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