2,6-Diaminopyridine

2,6-二氨基吡啶

What is 2,6-Diaminopyridine, cas no:141-86-6,a producer telling you the result.

CAS NO.141-86-6

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To begin with, let us tell you what is the basic information of 2,6-Diaminopyridine ?

Molecular Formula	C5H7N3	Molecular Weight	109.13
Density	1.3±0.1 g/cm3	Boiling Point	285.0±0.0 °C at 760 mmHg
Flash Point	161.3±9.5 °C	Melting Point	117-122 °C(lit.)

Like many stuff, it has many synonyms as follows

MFCD07375472

EINECS 205-507-2

2,6-diamino-pyridine

2,6-DAP

2,6-Pyridinediamine

Diaminopyridine

pyridine-2,6-diyldiamine

5-22-11-00255 (Beilstein Handbook Reference)

pyridine-2,6-diamine

2,6-diamino-pyridin

6-DiaMinopyridine

Pyridine,2,6-diamino

2,6-Diaminopyridine

First, the chemical is very special, some technical indexes as below

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Physical property data

1、 Physical property data:

1. Appearance: Flake crystals

2. Flash point (℃): 155

3. Melting point (℃): 121.5

4. Boiling point (º C): two hundred and eighty-five

toxicology data

2、 Toxicological data:

1. Acute toxicity: LD50 in mouse abdominal cavity: 100 mg/kg

Mouse intravenous LD50: 56 mg/kg.

Ecological data

3、 Ecological data:

1. Other harmful effects: This substance may pose a threat to the environment and should be given special attention to water bodies.

Molecular structure data

5,Molecular property data:

1. Molar refractive index: 32.81

2. Molar volume (cm3/mol): 87.2

3. Waiting for Zhang Biarong (90.2K): 253.0

4. Surface tension (dyne/cm): 70.9

5. Polarization rate (10-24cm3): 13.00

Calculate chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 0.2

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 5

6. Topological molecule polarity surface area 64.9

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity: 66.1

10. Number of isotopic atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Nature and stability

Stable under normal temperature and pressure.

Prohibited compound: Strong oxidizing agent

Storage method

Sealed and stored away from light.

Second, the Synthetic Route we will recommend is the most important for your reference?

First, synthesis line of 2,6-Diaminopyridine CAS NO.141-86-6 as follows

Main production methods:

Pyridine or 2-aminopyridine aminates under stronger conditions.

Third, what is the usage of 2,6-Diaminopyridine CAS NO.141-86-6 ? pleas see below

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Main usages:

1.2,6-diaminopyridine is currently mainly used abroad to produce a painkiller called Phenazopyridine [CAS No. 94-78-0], which is said to alleviate pain, burning, and discomfort caused by urinary tract infections and other diseases. This drug is a prescription drug in the United States, an over-the-counter drug in Canada, and has not yet been produced in China. The product name of this medicine in the United States is: Azo-Standard、Baridium、Eridium、Geridium、Phenazodine、Pyridiate、Pyridium、Urodine、Urogesic、Viridium； The trade names of this drug in Canada are: Phenazo、Pyridium。

2. Used for coupling diazo compounds

Other usages:

Used for the synthesis of 1,8-naphthyridine-2,7-diamine Cas no. 145325-89-9

Used for the synthesis of 2-amino-6-hydroxy-3,5-dinitropyridine Cas no. 132683-63-7

Used for the synthesis of 5,7-Dimethyl-[1,8]naphthyridin-2-ylamine Cas no. 39565-07-6

Besides Safety Information of 2,6-Diaminopyridine CAS NO.141-86-6 is also important when handling it

Hazard Codes	Xi
WGK Germany	3
H．S．Code：	2933 3990.99
TSCA	Yes
HazardClass	IRRITANT

What is the appearance of 2,6-Diaminopyridine CAS NO.141-86-6? Please see the picture of 2,6-Diaminopyridine CAS NO.141-86-6, below