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2-Chloro-3,5-dinitropyridine

2-Chloro-3,5-dinitropyridine structure

CAS No.: 2578-45-2

Chemical Name:: 2-Chloro-3,5-dinitropyridine

Synonyms: AURORA KA-2999;2-Chloro-3,5-nitropyridine;3,5-Dinitro-2-chloropyridine;2-chloro-3,5-dinitro-pyridin;2-Chloro-3,5-dinitropyridine;2,Chloro3,5-DinitropyridineGr;Pyridine, 2-chloro-3,5-dinitro-;2-CHLORO-3,5-DINITROPYRIDINE AR;2-Chloro-3,5-dinitropyridine,99%;2-Chloro-3,5-dinitropyridine >

CBNumber:: CB7337695

Molecular Formula:: C5H2ClN3O4

Molecular Weight:: 203.54

MDL Number:: MFCD00006233

MOL File:: 2578-45-2.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:54:55

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2-Chloro-3,5-dinitropyridine Properties

Melting point	63-65 °C(lit.)
Boiling point	320.9±37.0 °C(Predicted)
Density	2.2523 (rough estimate)
refractive index	1.6000 (estimate)
storage temp.	Store below +30°C.
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Crystalline Powder
pka	-6.96±0.10(Predicted)
color	Light yellow
Water Solubility	Insoluble in water.
Sensitive	Moisture Sensitive
BRN	196026
InChI	InChI=1S/C5H2ClN3O4/c6-5-4(9(12)13)1-3(2-7-5)8(10)11/h1-2H
InChIKey	QLHVJBXAQWPEDI-UHFFFAOYSA-N
SMILES	C1(Cl)=NC=C([N+]([O-])=O)C=C1[N+]([O-])=O
CAS DataBase Reference	2578-45-2(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	LPK39X4VRT
EPA Substance Registry System	Pyridine, 2-chloro-3,5-dinitro- (2578-45-2)
UNSPSC Code	12352101

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06

Signal word

Danger

Hazard statements

H300-H315-H319

Precautionary statements

P264-P270-P280-P301+P310-P302+P352-P305+P351+P338

Hazard Codes

T,Xi

Risk Statements

Safety Statements

26-36/37/39-45

RIDADR

UN 2811 6.1/PG 2

WGK Germany

RTECS

US6504750

10-21

Hazard Note

Irritant

TSCA

TSCA listed

HS Code

2933 39 99

HazardClass

6.1

PackingGroup

Storage Class

6.1A - Combustible, acute toxic Cat. 1 and 2
very toxic hazardous materials

Hazard Classifications

Acute Tox. 2 Oral
Eye Irrit. 2
Skin Irrit. 2

Toxicity

LD50 orally in Rabbit: 50 mg/kg

Limited Quantities

0.5 Kg (solid)

Excepted Quantities

Max Inner Pack (1g or 1ml) and Max Outer Pack (500g or 500ml)

NFPA 704

	1
3		0

2-Chloro-3,5-dinitropyridine price More Price(45)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	8.14134	2-Chloro-3,5-dinitropyridine for synthesis	2578-45-2	1g	$77.3	2023-06-20	Buy
TCI Chemical	C0943	2-Chloro-3,5-dinitropyridine >98.0%(GC)	2578-45-2	1g	$45	2026-04-30	Buy
TCI Chemical	C0943	2-Chloro-3,5-dinitropyridine >98.0%(GC)	2578-45-2	5g	$147	2026-04-30	Buy
AstaTech	58018	2-CHLORO-3,5-DINITROPYRIDINE 95%	2578-45-2	1G	$42	2026-04-30	Buy
ChemScene	CS-W015447	2-Chloro-3,5-dinitropyridine ≥98%	2578-45-2	1g	$32	2026-06-04	Buy

Product number	Packaging	Price	Buy
8.14134	1g	$77.3	Buy
C0943	1g	$45	Buy
C0943	5g	$147	Buy
58018	1G	$42	Buy
CS-W015447	1g	$32	Buy

2-Chloro-3,5-dinitropyridine Chemical Properties, Uses, Production

Chemical Properties

LIGHT YELLOW CRYSTALLINE POWDER

Uses

2-Chloro-3,5-dinitropyridine is used as efficient pie electron acceptor in the preparation of charge transfer complexes with aniline and its derivatives acting as donors.

Purification Methods

Dissolve it in CHCl3, shake it with saturated NaHCO3, dry (MgSO4), evaporate and apply to an Al2O3 column, elute with pet ether (b 60-80o), evaporate and recrystallise it from *C6H6 or pet ether. [Ochiai & Kaneko Chem Pharm Bull Jpn 8 28 1960, Plazek Recl Trav Chim, Pays-Bas 72 573 1953, Beilstein 20/5 V 458.]

2-Chloro-3,5-dinitropyridine Preparation Products And Raw materials

Raw materials

Ethanol Phosphorus oxitrichloride Phosphorus pentachloride Nitric acid Sodium hydroxide

2-Hydroxy-5-nitropyridine

1of2

Preparation Products

5-Nitropyridine-2,3-diamine Pyridine, 2-methoxy-3,5-dinitro- (6CI,7CI,8CI,9CI)

2-Chloro-3,5-dinitropyridine Suppliers

Global Suppliers ( 190)

Supplier	Tel	Email	Country	ProdList	Advantage
Nanijing m&m biotechnology Co. ,Ltd.	025-87782433 18021532344	1345332203@qq.com	China	4226	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
ShangHai DEMO Chemical Co.,Ltd	400-021-7337 2355568890	sales@demochem.com	China	2569	57
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16305	64
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57

Supplier	Advantage
Nanijing m&m biotechnology Co. ,Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
ShangHai DEMO Chemical Co.,Ltd	57
Capot Chemical Co., Ltd	66
Nanjing Chemlin Chemical Co., Ltd	64
Shanghai Hanhong Scientific Co.,Ltd.	64
Syntechem Co.,Ltd	57

View Latest Price from 2-Chloro-3,5-dinitropyridine manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-08-20	2-CHLORO-3,5-DINITROPYRIDINE 2578-45-2	$1.10	1g	99.00%	100 Tons min	Dideu Industries Group Limited
	2019-07-12	2-CHLORO-3,5-DINITROPYRIDINE 2578-45-2	$1.00	1KG	99%	1ton	Career Henan Chemical Co

2-CHLORO-3,5-DINITROPYRIDINE
2578-45-2
$1.10
99.00%
Dideu Industries Group Limited

2-CHLORO-3,5-DINITROPYRIDINE
2578-45-2
$1.00
99%
Career Henan Chemical Co

2-Chloro-3,5-dinitropyridine Spectrum

2-CHLORO-3,5-DINITROPYRIDINE(2578-45-2)¹HNMR 2-CHLORO-3,5-DINITROPYRIDINE(2578-45-2)IR1 2-CHLORO-3,5-DINITROPYRIDINE(2578-45-2)IR2

2578-45-2 (2-Chloro-3,5-dinitropyridine) Related Search:

4-Chloro-3,5-dinitropyridine 2-Chloro-6-methyl-3,5-dinitropyridine 2,6-Dichloro-3,5-dinitro-4-aminopyridine 2,6-Dinitro-3-chloropyridine 2-Chloro-3,5-dinitropyridine

3,5-Dinitropyridine 3-Chloro-2,6-dinitropyridine AURORA KA-371 AURORA KA-378

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AURORA KA-2999 Pyridine, 2-chloro-3,5-dinitro- 2-chloro-3,5-dinitro-pyridin 2-Chloro-3,5-dinitropyridine, 98+% 2-CHLORO-3,5-DINITROPYRIDINE extrapure AR 2-Chloro-3,5-dinitropyridine,99% 2-Chloro-3,5-dinitropyridine, 99% 5GR 2-CHLORO-3,5-DINITROPYRIDINE FOR SYNTHES 3,5-Dinitro-2-chloropyridine 2-Chloro-3,5-nitropyridine 2,Chloro3,5-DinitropyridineGr 2-Chloro-3,5-dinitropyridine > 2-CHLORO-3,5-DINITROPYRIDINE ISO 9001：2015 REACH 2-CHLORO-3,5-DINITROPYRIDINE AR 2, Chloro-3,5-Dinitropyridine 99% AR 2-Chloro-3,5-dinitropyridine, 95% 2-Chloro-3,5-dinitropyridine 2578-45-2 C5H2N3O4 C5H2ClN3O4 Halopyridines Chloropyridines Building Blocks Pyridines Halogenated Heterocycles Heterocyclic Building Blocks Organic Nonlinear Optical Materials NLO Chromophores and IntermediatesHeterocyclic Building Blocks C5Photonic and Optical Materials Halogenated Heterocycles Heterocyclic Building Blocks Non-Linear Optical (NLO) Materials Pyridines Pyridines, Pyrimidines, Purines and Pteredines Pyridine Chloropyridines Functional Materials Halopyridines Organic Nonlinear Optical Materials