26878-35-3

Basic information

• Product Name: 2,5-Diaminopyridine dihydrochloride
• Synonyms: 2,5-AMINOPYRIDINE DIHYDROCHLORIDE;2,5-DIAMINOPYRIDINE 2HCL;2,5-DIAMINOPYRIDINE DIHYDROCHLORIDE;IFLAB-BB F1995-0191;pyridine-2,5-diamine dihydrochloride;Diaminopyridinehydrochloride;2,5-Diaminopyridine-2-hydrochloride;2,5-Diamino-pyridine hydrochloride
• CAS NO: 26878-35-3
• Molecular Formula: C₅H₇N₃*2ClH
• Molecular Weight: 182.05
• EINECS: 248-083-4
• Product Categories: Pyridine;Heterocyclic Compounds;Pyridines;C5;Heterocyclic Building Blocks;Building Blocks;Chemical Synthesis;Heterocyclic Building Blocks
• Mol File: 26878-35-3.mol

Chemical Properties

• Melting Point: 264 °C (dec.)(lit.)
• Boiling Point: 329.1 °C at 760 mmHg
• Flash Point: 179.1 °C
• Appearance: brownish-grey fine crystalline powder
• Vapor Pressure: 0.000182mmHg at 25°C
• Storage Temp.: Inert atmosphere,Room Temperature
• Water Solubility: 1000 g/L (20 ºC)
• Sensitive: Hygroscopic
• BRN: 3912365
• CAS DataBase Reference: 2,5-Diaminopyridine dihydrochloride(CAS DataBase Reference)
• NIST Chemistry Reference: 2,5-Diaminopyridine dihydrochloride(26878-35-3)
• EPA Substance Registry System: 2,5-Diaminopyridine dihydrochloride(26878-35-3)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-37/39-36
• RIDADR: 2811
• WGK Germany: 3
• HazardClass: 6.1
• PackingGroup: II
• Hazardous Substances Data: 26878-35-3(Hazardous Substances Data)

Usage

Uses

Used in Chemical Synthesis:
2,5-Diaminopyridine dihydrochloride is used as a chemical intermediate for the synthesis of various organic-inorganic hybrid compounds. One such example is the synthesis of (C5H9N3)ZnCl4·H2O (2-amino-5-ammoniopyridinium)[CuCl4], which demonstrates its utility in creating complex molecular structures with potential applications in various fields.
Used in Pharmaceutical Industry:
2,5-Diaminopyridine dihydrochloride is used as a building block for the development of new pharmaceutical compounds. Its unique chemical structure allows for the creation of novel drugs with potential therapeutic applications.
Used in Research and Development:
Due to its versatile chemical properties, 2,5-Diaminopyridine dihydrochloride is used in research and development for the exploration of new chemical reactions and the synthesis of novel compounds with potential applications in various industries, including pharmaceuticals, materials science, and chemical engineering.

InChI:InChI=1/C5H7N3/c6-4-1-2-5(7)8-3-4/h1-3H,6H2,(H2,7,8)/p+1

Downstream Products

• 1186193-77-0 N-(6-aminopyridin-3-yl)-2,6-difluoro-3-(propylsulfonamido)benzamide 
• 69952-40-5 N,N′-(pyridine-2,5-diyl)dibenzamide 
• 372094-26-3 2,5-bis(2-Chloro-5-nitrobenzoylamino)pyridine 

Relevant articles and documents

Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers

A cosmetic composition for application to the hair contains either (a) at least one compound having the formula STR1 wherein: R is hydrogen, alkyl or halogen; and R' is hydrogen, alkyl, hydroxyalkyl, carbamylalkyl, mesylaminoalkyl, aminoalkyl, acylaminoalkyl, monoalkylaminoalkyl, dialkylaminoalkyl, piperidinoalkyl, morpholinoalkyl, carbamoyl, acyl or carbalkoxy; or (b) at least one of said compounds having formula I above and at least one benzene or heterocyclic oxidation base. The invention also relates to new couplers of formula I as well as to new indo compounds which result from the coupling of said compounds with an oxidation base. These cosmetic compositions for application to the hair are useful in direct dyeing, oxidation dyeing or simultaneous oxidation and direct dyeing of said hair.