2,5-Pyridinediamine dihydrochloride

Basic Information

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CAS Number

26878-35-3

Molecular Formula

C5H9Cl2N3

Molecular Weight

182.05 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Amines

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

246°C

Boiling Point

329.1 °C at 760 mmHg

Water Solubility

1000 g/L (20 ºC)

Flash Point

179.1 °C

SMILES

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C1=CC(=NC=C1N)N.Cl.Cl

InChI

InChI=1S/C5H7N3.2ClH/c6-4-1-2-5(7)8-3-4;;/h1-3H,6H2,(H2,7,8);2*1H

InChIKey

RWHNUWWUPZKDQP-UHFFFAOYSA-N

LogP

1.0896

Topological Polar Surface Area

64.92999999999999 Å²

Hydrogen Bond Donor/Acceptor

4 / 3

Complexity

74.1

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 6.1 Class 6.1

Sensitiveness

Hygroscopic

Synonyms & References

English

RWHNUWWUPZKDQP-UHFFFAOYSA-N
EINECS 248-083-4
AKOS015891653
FT-0610269
2 pound not5-Diaminopyridine dihydrochloride
AS-44255
SB52773
NS00050829
DTXSID80181386
2,5-Diaminopyridine dihydrochloride, 97%
26878-35-3
pyridine-2,5-diamine;dihydrochloride
A818646
SCHEMBL913230
Pyridine-2,5-diamine dihydrochloride
2,5-Diaminopyridine DiHCl
2,5-Diaminopyridine dihydrochloride
D3310
MFCD00040818
BP-13030
2,5-Diaminopyridine 2HCl
J-507284
Diaminopyridinehydrochloride
2,5-Diaminopyridine ?2 HCl
2,5-AMINOPYRIDINE DIHYDROCHLORIDE
2,5-DIAMINOPYRIDINE 2HCL
IFLAB-BB F1995-0191
pyridine-2,5-diamine dihydrochloride
2,5-Diaminopyridine-2-hydrochloride
2,5-Diamino-pyridine hydrochloride
2,5-Diaminopyridine HCl

MDL Number

MFCD00040818

Customs Code

2933399090

FAQ

What are the physical and chemical properties of 2,5-Pyridinediamine dihydrochloride (CAS: 26878-35-3)?

2,5-Pyridinediamine dihydrochloride is a white crystalline solid with a molecular weight of 161.65 g/mol. It has a high solubility in water (20 g/100 mL at 25°C) and moderate solubility in organic solvents. This compound is moderately reactive, particularly under basic conditions. It can undergo substitution reactions and form coordination complexes due to the presence of the amine and chloride groups.

How is 2,5-Pyridinediamine dihydrochloride (CAS: 26878-35-3) typically synthesized?

2,5-Pyridinediamine dihydrochloride is usually synthesized by the reaction of 2,5-pyridinediamine with hydrochloric acid. The process typically involves the addition of hydrochloric acid to a solution of 2,5-pyridinediamine, followed by crystallization. This method provides a yield of about 85% and the product is isolated by filtration and recrystallization.

What industries use 2,5-Pyridinediamine dihydrochloride (CAS: 26878-35-3)?

2,5-Pyridinediamine dihydrochloride is utilized in a variety of industries including pharmaceuticals, where it serves as a precursor for drug synthesis; sensors, where it can be used in gas sensing applications; and semiconductors, where it may play a role in the fabrication of certain electronic devices. It is also used in the synthesis of dyes and pigments.

What precautions should be taken when handling 2,5-Pyridinediamine dihydrochloride (CAS: 26878-35-3)?

Handling 2,5-Pyridinediamine dihydrochloride requires appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood. Spills should be cleaned up using appropriate absorbent materials and disposed of according to hazardous waste regulations. Always refer to the Safety Data Sheet (SDS) for detailed information on handling and storage.