Description

Hydroxypropyl Bis(n-Hydroxyethyl-p-Phenylenediamine) Hcl is a specialized aromatic amine derivative, primarily utilized as a key intermediate in the synthesis of advanced oxidation hair dyes and colorants. This compound matters for its role in creating stable, vibrant, and long-lasting color molecules with improved fiber affinity and reduced skin sensitivity. Industries that need it include professional and consumer hair care product manufacturers, as well as developers of specialty polymers and photographic chemicals.

Application

• Primary Intermediate for Permanent Hair Dyes: A critical building block in the formulation of oxidative hair coloring agents, contributing to color development and stability.
• Specialty Polymer Synthesis: Used as a monomer or cross-linking agent in the production of polyurethanes, epoxy resins, and other high-performance polymers.
• Photographic Chemicals: Serves as a developing agent or a component in color coupler systems for photographic films and papers.
• Chemical Research & Development: Employed as a versatile intermediate in organic synthesis for creating novel compounds in pharmaceutical and material science research.
• Textile Auxiliaries: Can be used in the synthesis of dyes and finishing agents for synthetic and natural fibers.

Basic Information

Product Name	Hydroxypropyl Bis(n-Hydroxyethyl-p-Phenylenediamine) Hcl
CAS No.	128729-28-2
Molecular Formula	C20H30Cl2N4O4
Molecular Weight	461.38 g/mol
Synonyms	1,4-Bis[(2-hydroxyethyl)(2-hydroxypropyl)amino]benzene dihydrochloride; N,N'-Bis(2-hydroxyethyl)-N,N'-bis(2-hydroxypropyl)-1,4-phenylenediamine dihydrochloride; p-Phenylenediamine, N,N'-bis(2-hydroxyethyl)-N,N'-bis(2-hydroxypropyl)-, dihydrochloride; Hydroxypropyl Bis-Hydroxyethyl-p-Phenylenediamine HCl; HPBHPD HCl; Hair Dye Intermediate 128729-28-2
EINECS	Contact for details

Quality Control

Our Hydroxypropyl Bis(n-Hydroxyethyl-p-Phenylenediamine) Hcl is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive applications like cosmetic and polymer synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.