2,5-Diaminopyridine

Modify Date: 2025-08-25 12:25:02

2,5-Diaminopyridine structure	Common Name	2,5-Diaminopyridine
	CAS Number	4318-76-7	Molecular Weight	109.129
	Density	1.3±0.1 g/cm3	Boiling Point	329.1±22.0 °C at 760 mmHg
	Molecular Formula	C₅H₇N₃	Melting Point	110.3ºC
	MSDS	Chinese USA	Flash Point	179.1±9.5 °C
	Symbol	GHS07	Signal Word	Warning

Name	2,5-Diaminopyridine
Synonym	More Synonyms

Density	1.3±0.1 g/cm3
Boiling Point	329.1±22.0 °C at 760 mmHg
Melting Point	110.3ºC
Molecular Formula	C₅H₇N₃
Molecular Weight	109.129
Flash Point	179.1±9.5 °C
Exact Mass	109.063995
PSA	64.93000
LogP	-0.47
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.676

2,5-Diaminopyridine MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: US7555000

CHEMICAL NAME :: Pyridine, 2,5-diamino-

CAS REGISTRY NUMBER :: 4318-76-7

BEILSTEIN REFERENCE NO. :: 0108741

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H7-N3

MOLECULAR WEIGHT :: 109.15

WISWESSER LINE NOTATION :: T6NJ BZ EZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 8,296,1965

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	UN2671
WGK Germany	3
RTECS	US7555000
Packaging Group	II
Hazard Class	6.1
HS Code	2933399090

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Literature: Tschitschibabin Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1914 , vol. 46, p. 1240 Chem. Zentralbl., 1915 , vol. 86, # I p. 1066

2,5-Dibromopyridine

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~56%

2,5-Diaminopyridine

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2-azido-5-nitro...

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~84%

2,5-Diaminopyridine

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Literature: Lee, Jung Gyu; Choi, Kyung Il; Koh, Hun Yeong; Kim, Youseung; Kang, Yonghan; Cho, Yong Seo Synthesis, 2001 , # 1 p. 81 - 84

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2,5-Diaminopyridine

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Literature: Shinohara et al. Kobunshi Kagaku, 1958 , vol. 15, p. 839,844 Chem.Abstr., 1960 , p. 22636

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Literature: den Hertog; Jouwersma Recueil des Travaux Chimiques des Pays-Bas, 1953 , vol. 72, p. 125,131

Pyridine-2,5-di...

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Literature: Shinohara et al. Kobunshi Kagaku, 1958 , vol. 15, p. 839,844 Chem.Abstr., 1960 , p. 22636

Precursor 6
CAS#:4214-76-0 5-Nitro-2-pyrid... CAS#:624-28-2 2,5-Dibromopyridine CAS#:69080-06-4 2-azido-5-nitro... CAS#:122196-45-6 N,N'-pyridine-2...
CAS#:137347-01-4 2-Bromo-3-Ethox... CAS#:4663-96-1 Pyridine-2,5-di...
DownStream 3
CAS#:3131-52-0 1H-Indole-5,6-diol CAS#:4214-73-7 2-Amino-5-cyano... CAS#:17965-80-9 1,5-Naphthyridi...

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Teleamination of the imidazo [1,2-a] pyridine system. Hand ES and Paudler WW.

J. Org. Chem. 43(14) , 2900-2906, (1978)

Porous pyridine based polyimide–silica nanocomposites with low dielectric constant. Kıvılcım N, et al.

J. Porous Mater. 20(4) , 709-718, (2013)

pyridine-2,5-diamine

MFCD00129023

2,5-Pyridinediamine

2,5-Diaminopyridine

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China
Product Name: 2,5-Diaminopyridine
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,5-Diaminopyridine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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2,5-Diaminopyridine

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

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Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.