Amines
REACH
N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate
CAS Number
54381-16-7
EC Number
259-134-5
What is N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate?
N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate (CAS 54381-16-7) is an oxidative hair dye intermediate used to develop color in permanent and semi-permanent hair coloring systems.
Where is N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate used?
- Hair color: primary coupler or developer component reacting with oxidizing agents to produce targeted shades
- Professional and retail hair color: combined with hydrogen peroxide and coupling agents for brown, auburn and neutral tones
- Textile dyeing: intermediate for azo and oxidation dyes on natural and synthetic fibers
- Leather finishing: surface coloration via controlled oxidative dyeing
- Paper manufacturing: specialty coloring for uniform pigmentation
Good to know: Cosmetic-grade specifications comply with EU Cosmetics Regulation annex listings. Technical-grade material is also available for textile and industrial dyeing requiring high purity and stability.
Commercial specifications
- High purity and stability
Other Names (Synonyms)
N,n-bis(2-hydroxy)-p-phenylenediamine sulfate|2-[4-amino-n-(2-hydroxyethyl)anilino]ethanol;sulfuric acid
What are the physical properties of N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate?
Melting Point 168-171°C
Boiling Point 125°C[at 101 325 Pa]
Density 1.497[at 20℃]
Appearance White crystal powder
Color White to Off-White
Form Solid
Water Solubility 178g/L at 20℃
Vapor Pressure 65Pa at 20℃
Log P -2.8 at 20℃
How is N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate classified and handled safely? Learn More
Danger
GHS06· Toxic GHS07· Irritant GHS09· Environmental Hazard
Hazard Statements
H301 Toxic if swallowed
H311 Toxic in contact with skin
H315 Causes skin irritation
H317 May cause an allergic skin reaction
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Which trade and regulatory codes apply to N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulfate?
HS Code 29309090
Storage Class 11 - Combustible Solids
WGK (Germany) 3