N,N-DIMETHYL-P-PHENYLENEDIAMINE

Also known as: NSC 1493, p-Dimethylaminophenylamine, 4-(Dimethylamino)phenylamine, Dimethyl-para-phenylenediamine, EINECS 202-807-5 (+7 more)

N,N-DIMETHYL-P-PHENYLENEDIAMINE (CAS 99-98-9) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: restricted, max II/1312. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 99-98-9 →

Auto-generated CPSR Part A draft with source citations
Function
Hair Dyeing
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C8H12N2
MW
136.19 g/mol
PubChem CID
7472
IUPAC Name
4-N,4-N-dimethylbenzene-1,4-diamine
InChIKey
BZORFPDSXLZWJF-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
EU Max Conc. II/1312
US US Status allowed
US Notes Allowed under the coal-tar hair dye exemption; must include statutory caution and patch-test directions

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (1)
Skin Eye Respiratory Irritation
N,N-Dimethyl-p-phenylenediamine is a severe skin irritant in man.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for N,N-DIMETHYL-P-PHENYLENEDIAMINE.

Regulatory Flags

cosing-sourced eu-restricted needs-enrichment eu_banned_cosmetics eu_cosing_listed

Known Synonyms

NSC 1493 p-Dimethylaminophenylamine 4-(Dimethylamino)phenylamine Dimethyl-para-phenylenediamine EINECS 202-807-5 N,N-Dimethyl-p-fenylendiamin UNII-7GZH2FMK7X Dimethyl-4-phenylenediamine DMPD DMPPDA 202-807-5 EC No.: 202-807-5

Chemical Function

Dye

Regulatory Lists

Mutation Research/Reviews in Genetic Toxicology banned; Europe; Personal care

Australian Status

AICIS status: listed

Frequently Asked Questions

Is N,N-DIMETHYL-P-PHENYLENEDIAMINE safe in cosmetics?

N,N-DIMETHYL-P-PHENYLENEDIAMINE has a safety rating of "MODERATE" in our database. EU status: restricted. US status: allowed.

Is N,N-DIMETHYL-P-PHENYLENEDIAMINE allowed in the EU?

N,N-DIMETHYL-P-PHENYLENEDIAMINE EU regulatory status: restricted. Maximum allowed concentration: II/1312. This is based on EU Regulation 1223/2009 and its amendments.

What does N,N-DIMETHYL-P-PHENYLENEDIAMINE do in cosmetics?

N,N-DIMETHYL-P-PHENYLENEDIAMINE functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 99-98-9.

Is N,N-DIMETHYL-P-PHENYLENEDIAMINE used outside cosmetics?

N,N-DIMETHYL-P-PHENYLENEDIAMINE also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does N,N-DIMETHYL-P-PHENYLENEDIAMINE have different safety status in cosmetics vs industrial chemicals?

N,N-DIMETHYL-P-PHENYLENEDIAMINE is classified GHS Danger (H301, H311, H331, H300, H310) in the chemicals database but is restricted in EU cosmetics at max II/1312.

Related Ingredients

(CALENDULA OFFICINALIS/SAFFLOWER FLOWER)/(ACHILLEA MILLEFOLIUM FLOWER/LEAF/STEM)/(VACCINIUM MYRTILLUS/VITEX AGNUS-CASTUS FRUIT)/RHUS CHINENSIS GALL/WALNUT HUSK/(CAMELLIA SINENSIS/NETTLE LEAF)/(JUNIPERUS COMMUNIS LEAF/STEM)/HORSE CHESTNUT NUT/DICHROA FEBRIFUGA ROOT/GRAPE SEED/ACACIA CATECHU WOOD/GOLDENROD/HYPERICUM PERFORATUM EXTRACT
Good Same category
Hair Dyeing
2,2'-METHYLENEBIS-4-AMINOPHENOL
Good Same category
Hair Dyeing
2,6-DIAMINOPYRIDINE
Good Same category
Hair Dyeing
2-METHOXYMETHYL-P-PHENYLENEDIAMINE
Good Same category
Hair Dyeing
N,N'-BIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE
Good Same category
Hair Dyeing
N-ISOPROPYL 4,5-DIAMINO PYRAZOLE SULFATE
Good Same category
Hair Dyeing
(20S)-Protopanaxadiol
Moderate Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate Similar safety
Skin conditioning, antioxidant
3,4-DIHYDROXYBENZOIC ACID
Good Chemical family
Skin Protecting
3,4-Dihydroxybenzoic Acid (Protocatechuic Acid)
Good Chemical family
Antioxidant, skin conditioning
3-Hydroxybenzoic Acid
Moderate Chemical family
Antimicrobial, Skin Conditioning

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