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141-86-6

Basic Information
CAS No.: 141-86-6
Name: 2,6-Diaminopyridine
Molecular Structure:
Molecular Structure of 141-86-6 (2,6-Diaminopyridine)
Formula: C5H7N3
Molecular Weight: 109.13
Synonyms: Pyridine, 2,6-diamino-;DAP;2,6-pyridinediamine;1H-pyridine-2,6-diamine;DAP (amine);pyridine-2,6-diamine;2,6-Diamino Pyridine;Di-ammonium phosphat (DAP);pyridine-2,6-diyldiamine;2,6-Diamino Pyridine,141-86-6;
EINECS: 205-507-2
Density: 1.251 g/cm3
Melting Point: 117-122 ºC(lit.)
Boiling Point: 285 ºC at 760 mmHg
Flash Point: 161.3 ºC
Solubility: water: 9.9 g/100 mL (20 ºC)
Appearance: off-white crystal powder/granuale
Hazard Symbols: HarmfulXn,ToxicT,IrritantXi
Risk Codes: 22-36/37/38-25
Safety: 26-45-37/39-28A-36
Transport Information: 2811
PSA: 64.93000
LogP: 1.40840
Synthetic route
626-05-1

2,6-Dibromopyridine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With C24H12Cu2F9N4O7; tetrabutylammomium bromide; ammonia; caesium carbonate In water; ethylene glycol at 110 - 140℃; for 16h;96%
With copper(I) oxide; potassium carbonate; ammonium hydroxide; N,N-dimethylethylenediamine In ethylene glycol at 60℃; for 16h; Inert atmosphere;68%
With ammonia; water at 200℃;
626-05-1

2,6-Dibromopyridine

A

141-86-6

2,6-Diaminopyridine

B

19798-81-3

2-Amino-6-bromopyridine

Conditions
ConditionsYield
With ammonia In water at 190℃; under 18751.9 Torr; for 6h;A n/a
B 88.9%
With ammonium hydroxide at 180℃;
With copper(I) oxide; potassium carbonate; ammonium hydroxide; N,N-dimethylethylenediamine In ethylene glycol at 60℃; for 16h; Inert atmosphere;
70826-08-3

N2,N6-dibenzylpyridine-2,6-diamine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With sulfuric acid for 24h; Ambient temperature;82%
110-86-1

pyridine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With p-toluidine; sodium amide; decalin In water under 2250.23 Torr; for 0.00555556h; Pressure; Microwave irradiation;78%
With vaseline oil; sodium amide at 125 - 180℃;
With sodium amide
45644-21-1

6-chloropyridin-2-amine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With ammonia; copper(l) iodide In water at 150℃; under 6050.79 - 21875.9 Torr; for 8h; Product distribution / selectivity;69%
With ammonium acetate; ammonia; copper(l) iodide In water at 150℃; under 6050.79 - 21875.9 Torr; for 8h; Product distribution / selectivity;81 %Chromat.
62679-42-9

N-(2-pyridylmethylene)-2,6-diaminopyridine

A

141-86-6

2,6-Diaminopyridine

B

76274-25-4

3-(2-pyridylmethylene)-2,6-diaminopyridine

C

76274-26-5

3-(6-methyl-2-pyridylmethylene)-2,6-diaminopyridine

D

76274-23-2

3-(6-methyl-2-pyridulmethylene)-5-(2-pyridylmethylene)-2,6-diaminopyryridine

Conditions
ConditionsYield
With N-(6-methyl-2-pyridylmethylene)-2,6-diaminopyridine at 300℃; for 0.2h;A 18.3%
B 19.4%
C 17.7%
D 30.7%
70826-10-7

N-(6-methyl-2-pyridylmethylene)-2,6-diaminopyridine

A

141-86-6

2,6-Diaminopyridine

B

76274-25-4

3-(2-pyridylmethylene)-2,6-diaminopyridine

C

76274-26-5

3-(6-methyl-2-pyridylmethylene)-2,6-diaminopyridine

D

76274-23-2

3-(6-methyl-2-pyridulmethylene)-5-(2-pyridylmethylene)-2,6-diaminopyryridine

Conditions
ConditionsYield
With N-(2-pyridylmethylene)-2,6-diaminopyridine at 300℃; for 0.2h;A 18.3%
B 19.4%
C 17.7%
D 30.7%
62679-42-9

N-(2-pyridylmethylene)-2,6-diaminopyridine

A

141-86-6

2,6-Diaminopyridine

B

68752-24-9

3,5-di(2-pyridylmethylene)-2,6-diaminopyryridine

C

76274-25-4

3-(2-pyridylmethylene)-2,6-diaminopyridine

Conditions
ConditionsYield
at 300℃; for 0.2h;A 12.1%
B 27.5%
C 23.3%
544-13-8

Glutaronitrile

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With ammonia; palladium 10% on activated carbon at 200℃; under 87917.5 Torr; for 45h; Product distribution / selectivity; Autoclave;17.3%
With ammonia; 0.5% Pd on alumina In ethanol at 309℃; Product distribution / selectivity; Gas phase;
With ammonia In ethanol at 160℃; Product distribution / selectivity;
4945-49-7

glutarimide

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With ammonia; palladium 10% on activated carbon at 200℃; for 45h; Product distribution / selectivity;10%
With ammonia; 5%-palladium/activated carbon at 200℃; for 45h; Product distribution / selectivity;0.7%
110-86-1

pyridine

A

141-86-6

2,6-Diaminopyridine

B

Conditions
ConditionsYield
With sodium amide; 2,3-Dimethylaniline

Conditions
ConditionsYield
With 4-methylisopropylbenzene; sodium amide at 210℃;
504-29-0

2-aminopyridine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With Isopropylbenzene; sodium amide at 200℃;
59-67-6

nicotinic acid

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With sodium amide; paraffin oil at 200℃;
55-22-1

pyridine-4-carboxylic acid

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With sodium amide; paraffin oil at 200℃;
54903-86-5

2,6-diamino-3-bromopyridine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With sodium hydroxide; water; nickel Hydrogenation.und Aethanol;
4663-97-2

pyridine-2,6-dicarboxylic acid diamide

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With water; bromine
98-92-0

nicotinamide

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With sodium amide; paraffin oil at 200℃;
4936-27-0

ethyl 2,6-pyridinedicarbamate

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With potassium hydroxide

Pyridine-2,6-diamine; compound with ethanol

A

141-86-6

2,6-Diaminopyridine

B

64-17-5

ethanol

Conditions
ConditionsYield
In 2,2,4-trimethylpentane at 20℃; Equilibrium constant;

5-Methyl-1-propyl-1H-pyrimidine-2,4-dione; compound with pyridine-2,6-diamine

A

141-86-6

2,6-Diaminopyridine

B

22919-49-9

5-methyl-1-propyl-1H-pyrimidine-2,4-dione

Conditions
ConditionsYield
In chloroform-d1 at 24.9℃; Equilibrium constant; association constant;
98-92-0

nicotinamide

sodium amide

paraffin oil

paraffin oil

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
at 200℃;
110-86-1

pyridine

sodium amide

vaseline oil

vaseline oil

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
at 125 - 180℃;
5683-33-0

2-(Dimethylamino)pyridine

sodium amide

A

141-86-6

2,6-Diaminopyridine

B

124-40-3

dimethyl amine

Conditions
ConditionsYield
at 190℃;
5441-02-1

N,N'-(2,6-pyridinediyl)bis(acetamide)

80-48-8

methyl p-toluene sulfonate

A

141-86-6

2,6-Diaminopyridine

B

p-toluenesulfonate/s of 1-methyl-2-imino-6-acetylimino-1.2.3.6-tetrahydro-pyridine

p-toluenesulfonate/s of 1-methyl-2-imino-6-acetylimino-1.2.3.6-tetrahydro-pyridine

Conditions
ConditionsYield
Alkohol;
110-86-1

pyridine

109-89-7

diethylamine

A

141-86-6

2,6-Diaminopyridine

B

pyridyl-2-ylamine

pyridyl-2-ylamine

Conditions
ConditionsYield
With potassium amide; sodium amide at 120℃;
2402-78-0

2,6-dichloropyridine

141-86-6

2,6-Diaminopyridine

Conditions
ConditionsYield
With ammonia; copper In water at 240℃; under 56887.8 Torr; for 5h; Product distribution / selectivity;< 10 %Chromat.
2402-78-0

2,6-dichloropyridine

A

141-86-6

2,6-Diaminopyridine

B

45644-21-1

6-chloropyridin-2-amine

Conditions
ConditionsYield
With ammonium acetate; ammonia; copper(l) iodide In water at 150℃; under 7757.43 - 35167 Torr; for 8h; Product distribution / selectivity;A 91 %Chromat.
B 7 %Chromat.
With ammonia; copper(l) iodide In water at 150℃; under 7757.43 - 35167 Torr; for 8h; Product distribution / selectivity;A 72 %Chromat.
B n/a

phenazopyridine hydrochloride

ZnFe-SO4-LDH nanoplates modified with graphene oxide(GO), coated them on the glass substrate

ZnFe-SO4-LDH nanoplates modified with graphene oxide(GO), coated them on the glass substrate

A

79-16-3

N-methyl-acetamide

B

141-86-6

2,6-Diaminopyridine

C

107-10-8

propylamine

D

95-47-6

o-xylene

E

108-38-3

m-xylene

Conditions
ConditionsYield
With dipotassium peroxodisulfate In water for 3h; pH=8; Kinetics; Irradiation;
141-86-6

2,6-Diaminopyridine

bis(2,6-diaminopyridinium) hexafluorosilicate

Conditions
ConditionsYield
With fluorosilicic acid In methanol100%
141-86-6

2,6-Diaminopyridine

617-48-1

malic acid

1931-44-8

2-amino-8H-7-oxo-[1,8]-naphthyridine

Conditions
ConditionsYield
With sulfuric acid at 110℃; for 3h; Inert atmosphere; Cooling with ice;100%
With sulfuric acid at 80 - 90℃; for 3h;92%
Stage #1: 2.6-diaminopyridine; malic acid With sulfuric acid at 110℃; Inert atmosphere; Cooling with ice;
Stage #2: With ammonium hydroxide In water pH=8; Cooling with ice;
87%
141-86-6

2,6-Diaminopyridine

3282-30-2

pivaloyl chloride

101630-94-8

N,N'-2,6-pyridinediylbis<2,2-dimethylpropanamide>

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃; Inert atmosphere; Cooling with ice;99%
With triethylamine In tetrahydrofuran at 20℃; for 12h; Cooling with ice;97%
With dmap; triethylamine In dichloromethane at 0 - 20℃;96%
141-86-6

2,6-Diaminopyridine

75-24-1

trimethylaluminum

AlCH3[Al(CH3)2NHNHC5H3N]2

Conditions
ConditionsYield
In dichloromethane byproducts: CH4; (Ar), ligand in Ch2Cl2 added dropwise to AlMe3 in CH2Cl2 at 25°C,stirred for 1 h at room temp.; crystd. overnight at -20°C, elem. anal.;99%
141-86-6

2,6-Diaminopyridine

34981-11-8

2,6-diamino-3,5-dinitropyridine

Conditions
ConditionsYield
With dinitrogen pentoxide In dichloromethane at 27 - 31℃; for 0.0166667h; Temperature; Cooling with ice;99%
Stage #1: 2.6-diaminopyridine With sulfuric acid; sulfur trioxide at 0 - 20℃;
Stage #2: With nitric acid at 0 - 15℃;
95%
Multi-step reaction with 2 steps
1.1: sulfuric acid / isopropyl alcohol
2.1: sulfuric acid; sulfur trioxide / Cooling with ice
2.2: Cooling with ice
View Scheme
141-86-6

2,6-Diaminopyridine

16523-54-9

chlorodicyclohexylphosphane

N,N'-bis(dicyclohexyl)-2,6-diaminopyridine

Conditions
ConditionsYield
With triethylamine In toluene at 70℃; for 48h;99%
141-86-6

2,6-Diaminopyridine

[D3]-2,6-2,6-diaminopyridine

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; water-d2 at 180℃; under 750.075 Torr; for 24h; Autoclave;99%
141-86-6

2,6-Diaminopyridine

98-88-4

benzoyl chloride

74305-33-2

N,N′-(pyridine-2,6-diyl)dibenzamide

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃; Inert atmosphere; Cooling with ice;98%
With triethylamine In dichloromethane at 20℃; for 15h; Inert atmosphere;89%
With triethylamine In tetrahydrofuran at 20℃; for 20h; Cooling with ice;77%
141-86-6

2,6-Diaminopyridine

617-48-1

malic acid

1931-44-8

2-amino-7-hydroxy-1,8-naphthyridine

Conditions
ConditionsYield
With sulfuric acid at 0 - 120℃; for 12h;98%
With sulfuric acid at 110℃; for 3h;97%
With sulfuric acid at 110℃; for 3h; Cooling with ice;97%
141-86-6

2,6-Diaminopyridine

1079-66-9

chloro-diphenylphosphine

644988-94-3

N,N,N',N'-tetrakis(diphenylphosphino)pyridine-2,5-diamine

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃; for 4h;98%
With triethylamine In dichloromethane at 20℃; Inert atmosphere; Schlenk technique;95%
With triethylamine In tetrahydrofuran for 18h; Cooling with ice; Inert atmosphere; Reflux;76%
141-86-6

2,6-Diaminopyridine

69674-00-6

diisopropoxythiophosphoryl isothiocyanate

H2NC5H3NNHC(S)NHP(S)(OC3H7)2

Conditions
ConditionsYield
98%
141-86-6

2,6-Diaminopyridine

2,6-diaminopyridine hemisulfate

Conditions
ConditionsYield
With sulfuric acid In water at 45 - 55℃; Product distribution / selectivity;98%
141-86-6

2,6-Diaminopyridine

97480-49-4

difluoro(diethoxyphosphinyl)acetyl chloride

1217898-97-9

C17H25F4N3O8P2

Conditions
ConditionsYield
With pyridine; dmap In tetrahydrofuran at 0 - 20℃; Inert atmosphere;98%
141-86-6

2,6-Diaminopyridine

26878-34-2

2,6-diaminopyridine monohydrochloride

Conditions
ConditionsYield
With hydrogenchloride In chloroform98%
141-86-6

2,6-Diaminopyridine

cobalt pivalate

75-05-8

acetonitrile

721396-96-9

bis-trimethylacetato[N-(6-amino-κN-pyridin-2-yl)ethan-κN-imidamide]cobalt(II)

Conditions
ConditionsYield
In acetonitrile (Ar); a mixt. of Co compd. and 2,6-diaminopyridine in MeCN heated at 80°C; concd. at 0.1 Torr and 20°C, crystd. at 20°C for 12 h, decanted, washed with cold MeCN, dried (Ar); elem. anal.;98%
141-86-6

2,6-Diaminopyridine

617-48-1

malic acid

49655-93-8

2,7-dihydroxy-1,8-naphthyridine

Conditions
ConditionsYield
Stage #1: 2.6-diaminopyridine; malic acid With sulfuric acid at 110℃;
Stage #2: With sodium nitrite at 0 - 5℃; Cooling with ice;
98%
141-86-6

2,6-Diaminopyridine

41157-34-0

di-n-propylphosphinous chloride

N,N'-bis(n-propylphosphino)-2,6-diaminopyridine

Conditions
ConditionsYield
With triethylamine In toluene at 20℃; for 12h; Inert atmosphere; Schlenk technique; Glovebox;98%
141-86-6

2,6-Diaminopyridine

623-27-8

terephthalaldehyde,

C18H16N6

Conditions
ConditionsYield
In methanol at 120℃; for 3h;98%
141-86-6

2,6-Diaminopyridine

108-24-7

acetic anhydride

5441-02-1

N,N'-(2,6-pyridinediyl)bis(acetamide)

Conditions
ConditionsYield
In dichloromethane at 20℃;97%
With acetic acid for 4h; Heating;86%
In 1,4-dioxane for 24h; Heating;72%
141-86-6

2,6-Diaminopyridine

3282-30-2

pivaloyl chloride

132784-74-8

2-amino-6-trimethylacetamidopyridine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Cooling with ice;97%
In 1,4-dioxane for 2h;74%
In 1,4-dioxane74%
In 1,4-dioxane at 25℃; for 2h;46%
With triethylamine In dichloromethane at 0 - 20℃; for 2.5h;
141-86-6

2,6-Diaminopyridine

105-13-5

4-Methoxybenzyl alcohol

70826-09-4

N2,N6-bis(4-methoxybenzyl)pyridine-2,6-diamine

Conditions
ConditionsYield
With bis(1,5-cyclooctadiene)diiridium(I) dichloride; Py2NPiPr2; potassium tert-butylate In tetrahydrofuran; diethylene glycol dimethyl ether at 70℃; for 48h; Inert atmosphere;97%
With potassium hydroxide; 4-methoxy-benzaldehyde at 195 - 245℃; for 1h;91.1%
With C55H43ClN5P2Ru(1+)*Cl(1-); potassium hydroxide In toluene at 140℃; for 12h; Sealed tube;85%
With [RuCl(CO)(PPh3)(PNS-Me)]; potassium hydroxide In toluene at 100℃; for 12h;76%
107-20-0

2-chloroethanal

141-86-6

2,6-Diaminopyridine

5-aminoimidazo[1,2-a]pyridine hydrochloride

Conditions
ConditionsYield
In water; acetone97%
In water; acetone Cyclization; Heating;
141-86-6

2,6-Diaminopyridine

100-51-6

benzyl alcohol

51505-08-9

N2-benzylpyridine-2,6-diamine

Conditions
ConditionsYield
With bis(1,5-cyclooctadiene)diiridium(I) dichloride; Py2NPiPr2; potassium tert-butylate In tetrahydrofuran; diethylene glycol dimethyl ether at 70℃; for 24h; Inert atmosphere;97%
With C55H43ClN5P2Ru(1+)*Cl(1-); potassium hydroxide In toluene at 140℃; for 12h; Sealed tube;68%
141-86-6

2,6-Diaminopyridine

368-66-1

2,4,6-tris(trifluoromethyl)-1,3,5-triazine

1431426-32-2

2,4-bis(trifluoromethyl)pyrido[2,3-d]pyrimidin-7-amine

Conditions
ConditionsYield
With acetic acid at 0 - 80℃;97%
141-86-6

2,6-Diaminopyridine

372-31-6

ethyl 4,4,4-trifluoroacetoacetate

57980-08-2

7-amino-4-(trifluoromethyl)-1,8-naphthyridin-2(1H)-one

Conditions
ConditionsYield
In diphenylether at 130 - 190℃; for 20h;97%
141-86-6

2,6-Diaminopyridine

75-36-5

acetyl chloride

5441-02-1

N,N'-(2,6-pyridinediyl)bis(acetamide)

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃; Inert atmosphere; Cooling with ice;96%
With triethylamine In tetrahydrofuran Ambient temperature;86%
With triethylamine In dichloromethane at 20℃; Condensation;82%
141-86-6

2,6-Diaminopyridine

105-53-3

diethyl malonate

76541-91-8

7-amino-1,8-naphthyridine-2,4-diol

Conditions
ConditionsYield
In diphenylether at 150 - 180℃;96%
In diphenylether for 2.5h; Reflux;55%
Microwave irradiation;
141-86-6

2,6-Diaminopyridine

79-04-9

chloroacetyl chloride

N,N'-bis(2-chloroacetamido)-2,6-diaminopyridine

Conditions
ConditionsYield
With triethylamine In acetone at 20℃; for 2h;96%
With triethylamine In acetone at 20℃; for 2h;80%
With triethylamine In tetrahydrofuran at 0 - 20℃; for 10h;69%
141-86-6

2,6-Diaminopyridine

71-43-2

benzene

1135444-61-9

bis(2,6-diaminopyridine)tetra(μ-O,O'-trimethylacetato)dicopper(II)*benzene

Conditions
ConditionsYield
In benzene (Ar); addn. of benzene to copper compd. and pyridine deriv., stirring at80°C for 20 min; concg. at 20°C in vac., keeping at 20°C for 24 h, decantation, washing with cold benzene, drying in air, elem. anal.;96%
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    141-86-6 2,6-Diaminopyridine

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    2,6-Diaminopyridine

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    2,6-Diaminopyridine

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    141-86-6

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  • Casno:

    141-86-6

    2,6-Diaminopyridine

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    Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat

    Yinghao Pharm is located in Changzhou Science and Education City, we customize synthetic pharmaceutical intermediates and organic compounds. The products are mainly used in pharmac

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  • 2,6-Diaminopyridine

  • Casno:

    141-86-6

    2,6-Diaminopyridine

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

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  • 2,6-Diaminopyridine

  • Casno:

    141-86-6

    2,6-Diaminopyridine

    Min.Order: 1 Gram

    FOB Price:  USD $ 10.0-10.0/Gram

    Zhejiang J&C Biological Technology Co., Limited is specialized in the production of high complex new type intermediates and chemical custom synthesis, scale-up production and rare chemicals trade. Products category is including Intermediates &a

    ZHEJIANG BIOLOGY AND TECHNOLOGY CO., LTD. is a modern professional high-tech enterprise, which is specializing in generic APIs and pharmaceutical intermediates. especially in pepti

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Chemistry


IUPAC Name: Pyridine-2,6-diamine
Molecular Formula: C5H7N3
Molecular Weight: 109.13 g/mol
Canonical SMILES: n1c(cccc1N)N
InChI: InChI=1/C5H7N3/c6-4-2-1-3-5(7)8-4/h1-3H,(H4,6,7,8)
EINECS: 205-507-2
Classification Code: Mutation data
Product Categories: compounds of pyridine; Pyridine; Pyridines derivates; C5; Heterocyclic Building Blocks; Pyridines
XLogP3-AA: 0.2  
H-Bond Donor: 2  
H-Bond Acceptor: 3
Surface Tension: 70.9 dyne/cm 
Density: 1.251 g/cm
Flash Point: 161.3 °C 
Enthalpy of Vaporization: 52.4 kJ/mol 
Boiling Point: 285 °C at 760 mmHg 
Melting Point: 117-122 °C(lit.)
Water Solubility: 9.9 g/100 mL (20 °C)
Vapour Pressure of 2,6-Diaminopyridine (CAS NO.141-86-6): 0.00288 mmHg at 25 °C

Uses

 2,6-Diaminopyridine (CAS NO.141-86-6) is used as an intermediate for the synthesis of analgesic drugs. At abroad, it is mainly used for production of a painkiller-phenazopyridine.

Production

 2,6-Diaminopyridine (CAS NO.141-86-6) is synthesized from pyridine or 2-aminopyridine by amination under the more intensity condition.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 100mg/kg (100mg/kg)   Journal of Medicinal Chemistry. Vol. 8, Pg. 296, 1965.
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00146,

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by intravenous and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx .
Hazard Codes: HarmfulXn,ToxicT,IrritantXi
Risk Statements: 22-36/37/38-25 
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin. 
R25: Toxic if swallowed.
Safety Statements: 26-45-37/39-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S37/39: Wear suitable gloves and eye/face protection. 
S36: Wear suitable protective clothing.
RIDADR: 2811
WGK Germany: 3
RTECS: US7570000
HazardClass: 6.1
PackingGroup of 2,6-Diaminopyridine (CAS NO.141-86-6): II

Standards and Recommendations

PURITY: 99.0% min
WATER: 0.3% max
ASH: 0.1% max

Specification

 2,6-Diaminopyridine (CAS NO.141-86-6), its Synonyms are 2,6-Pyridinediamine ; Pyridine, 2,6-diamino- ; Pyridine-2,6-diyldiamine ; DAP (amine) . It is off-white crystal powder/granuale.