N,N-dimethyl-1,4-phenylenediamine is a diamine and a substituted aniline.
Definition
N,N-dimethyl-1,4-phenylenediamine is a diamine and a substituted aniline.
Source: PubChem
US FDA substance register · UNII 7GZH2FMK7X · registered name N,N-Dimethyl-p-Phenylenediamine · single chemical substance
Cosmetic roles
Safety & regulatory references
- Banned
- Argentina · ASEAN · Brazil · China · European Union · South Korea · Taiwan · United Kingdom
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS)
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Restriction II/1312
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 99-98-9
- EC No.EU chemical inventory number
- 202-807-5
- DTXSIDUS EPA chemical ID
- DTXSID6025149
- DTXCIDUS EPA compound ID
- DTXCID505149
- IUPAC
- N~1~,N~1~-Dimethylbenzene-1,4-diamine
- Molecular formula
- C8H12N2
- Molecular weight
- 136.198 g/mol
Measured properties
- Appearance
- Dimethyl-p-phenylenediamine is a colorless to reddish-violet solid. Used in the production of methylene blue and photographic developer. Used as a chemical intermediate for dyes and diazonium chloride salts and as an analytical reagent to detect chloroamine in water. (EPA, 1998) · Colorless to reddish-violet solid, [HSDB] Black or grey solid, [MSDSonline]
- Boiling point
- 504 °F at 760 mmHg (EPA, 1998) · 263 °C
- Melting point
- 106 to 127 °F (EPA, 1998) · 53 °C, also stated as 41 °C
- Solubility
- less than 1 mg/mL at 68 °F (NTP, 1992) · Soluble in chloroform, very soluble in ethanol, ethyl ether, benzene, slightly soluble in ligroin
- Density
- 1.036 at 68 °F (EPA, 1998) - Denser than water, will sink · 1.036 g/cu cm at 20 °C
- Stability
- Chemical stability: Stable under recommended storage conditions.
- Dissociation constant
- pKa = 6.59 at 25 °C (conjugate acid)
- Melting/freezing point
- 53 ℃
- Initial boiling point and range
- 262 ℃(HSDB)
- Flash point
- 90 ℃
- Water solubility
- 8680 ㎎/ℓ (at 25C est.)
- Relative density
- 1.36 (g/cm3)
- n-Octanol/water partition coefficient (Kow)
- 1.25 (est.)
- Molecular weight
- 136.22
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
Related literature
- Biochemical and molecular characterization of an azoreductase from Staphylococcus aureus, a tetrameric NADPH-dependent flavoprotein. · 2005
- Bioactivity of Tomato Hybrid Powder: Antioxidant Compounds and Their Biological Activities · 2013
- Metabolism of azo dyes by human skin microbiota. · 2010
- Antioxidant Activity of Cauliflower (Brassica oleracea L.) · 2008
- Colorimetric Analysis with N,N-Dimethyl-p-phenylenediamine of the Uptake of Intravenously Injected Horseradish Peroxidase by Various Tissues of the Rat · 1958
Linked databases 21
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic regulatory information 2 3
- NIST Chemistry WebBook
- PubChem 2
- Taiwan FDA cosmetic ingredients
- Tlooto literature search 2 3 4 5
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English