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5-Nitrobenzimidazole

5-Nitrobenzimidazole structure

CAS No.: 94-52-0

Chemical Name:: 5-Nitrobenzimidazole

Synonyms: nci-c01912;BIO-FARMA BF002407;6-nitrobenzimdazole;6-nitro-benzimidazo;5-Nrtiobenzimidazole;6-NITROBENZIMIDAZOLE;5-nitro-benzimidazol;6-nitro-benzimidazol;5-NITROBENZIMIDAZOLE;5-Nitrobenzimidizole

CBNumber:: CB8697293

Molecular Formula:: C7H5N3O2

Molecular Weight:: 163.13

MDL Number:: MFCD00005604

MOL File:: 94-52-0.mol

MSDS File:: SDS

Last updated:2026-01-13 11:27:05

Product description	Number	Pack Size	Price
6-NITROBENZIMIDAZOLE Aldrich^CPR	S763799	1 unit	$185
5-Nitrobenzimidazole for synthesis	8.18257	100g	$119
6-NITROBENZIMIDAZOLE Aldrich	S763799	50mg	$179
5-Nitrobenzimidazole >98.0%(GC)(T)	N0152	25g	$143
5-Nitrobenzimidazole	N494795	100g	$220
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5-Nitrobenzimidazole Properties

Melting point	207-210 °C
Boiling point	290.19°C (rough estimate)
Density	1.4141 (rough estimate)
bulk density	270kg/m3
refractive index	1.5500 (estimate)
storage temp.	Store below +30°C.
solubility	0.5g/l
pka	10.95±0.10(Predicted)
form	Solid
color	Light Beige
PH	6 (10g/l, H2O, 20℃)(slurry)
Water Solubility	<0.01 g/100 mL at 16.5 ºC
BRN	7926
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
InChI	1S/C7H5N3O2/c11-10(12)5-1-2-6-7(3-5)9-4-8-6/h1-4H,(H,8,9)
InChIKey	XPAZGLFMMUODDK-UHFFFAOYSA-N
SMILES	[N+](=O)([O-])c1cc2[nH]cnc2cc1
Toxicology and Carcinogenesis	Bioassay of 6-Nitrobenzimidazole for Possible Carcinogenicity (CASRN 94-52-0)
CAS DataBase Reference	94-52-0(CAS DataBase Reference)
FDA UNII	A7V95AYT2T
EPA Substance Registry System	5-Nitrobenzimidazole (94-52-0)
UNSPSC Code	12352102
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

Hazard Codes

Xi,Xn

Risk Statements

36/37/38-40-22

Safety Statements

26-45-36/37

RIDADR

2811

WGK Germany

RTECS

DD9800000

TSCA

TSCA listed

HS Code

29339990

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Hazardous Substances Data

94-52-0(Hazardous Substances Data)

NFPA 704

	1
2		0

5-Nitrobenzimidazole price More Price(22)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	S763799	6-NITROBENZIMIDAZOLE Aldrich^CPR	94-52-0	1 unit	$185	2025-07-31	Buy
Sigma-Aldrich	8.18257	5-Nitrobenzimidazole for synthesis	94-52-0	100g	$119	2025-07-31	Buy
Sigma-Aldrich	S763799	6-NITROBENZIMIDAZOLE Aldrich	94-52-0	50mg	$179	2024-03-01	Buy
TCI Chemical	N0152	5-Nitrobenzimidazole >98.0%(GC)(T)	94-52-0	25g	$143	2025-07-31	Buy
TRC	N494795	5-Nitrobenzimidazole	94-52-0	100g	$220	2021-12-16	Buy

Product number	Packaging	Price	Buy
S763799	1 unit	$185	Buy
8.18257	100g	$119	Buy
S763799	50mg	$179	Buy
N0152	25g	$143	Buy
N494795	100g	$220	Buy

5-Nitrobenzimidazole Chemical Properties,Uses,Production

Chemical Properties

white or pale yellow powder

Uses

Antifogging agent in photographic developers.

Uses

5-Nitrobenzimidazole acts as a reagent in the synthesis of benzimidazoles derivatives with antibacterial and antifungal activities. It also functions as a reagent in the synthesis of xanthine oxidase, a key enzyme that catalyze xanthine to uric acid causing hyperuricemia in humans.

General Description

Off-white to pale yellow fluffy powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

5-Nitrobenzimidazole is incompatible with strong oxidizing agents and strong bases.

Fire Hazard

Flash point data for 5-Nitrobenzimidazole are not available but 5-Nitrobenzimidazole is probably combustible.

Synthesis

64-18-6

99-56-9

94-52-0

First, 4-nitrophthalimide (1 g) was mixed with formic acid (0.74 mL) in 5N hydrochloric acid (70 mL), stirred and heated to reflux for 24 hours. Upon completion of the reaction, the mixture was cooled to room temperature, neutralized with 10% sodium hydroxide solution and the precipitate was isolated. Subsequently, the precipitate was recrystallized with water and dried to give 5-nitrobenzimidazole (0.69 g) [37].

References

[1] Molecules, 2015, vol. 20, # 8, p. 15206 - 15223
[2] Journal of the Korean Chemical Society, 2010, vol. 54, # 5, p. 589 - 593
[3] Journal of the Chilean Chemical Society, 2012, vol. 57, # 2, p. 1122 - 1125,4
[4] Journal of Medicinal Chemistry, 2015, vol. 58, # 24, p. 9591 - 9600
[5] Journal of the Chemical Society of Pakistan, 2018, vol. 40, # 2, p. 366 - 374

5-Nitrobenzimidazole synthesis

Synthesis of 5-Nitrobenzimidazole from 4-Nitro-o-phenylenediamine and Trimethoxymethane

5-Nitrobenzimidazole Preparation Products And Raw materials

Raw materials

D-glucose Trimethoxymethane Formic acid Carbon dioxide Triethyl orthoformate

N,N-Diethylformamide 2-Methoxyethanol Benzimidazole Oxalic acid 4-Nitro-o-phenylenediamine

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Preparation Products

Pigment Red 176 1H-Benzimidazole,1-methyl-5-nitro-(9CI) 5-Aminobenzimidazole Nsc170648

5-Nitrobenzimidazole Suppliers

Global( 308)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81148696 +86-17392712697	1022@dideu.com	China	3995	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29837	58
BTC Nantong Pharmaceuticals Technology Co.,Ltd	+8618068193575	sales4@btcpharm.com	China	251	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22963	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
Wuhan Fortuna Chemical Co., Ltd	+86-027-59207850 +86-13986145403;	info@fortunachem.com	China	6009	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Capot Chemical Co.,Ltd.	60
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
BTC Nantong Pharmaceuticals Technology Co.,Ltd	58
Hubei xin bonus chemical co. LTD	58
CONIER CHEM AND PHARMA LIMITED	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Wuhan Fortuna Chemical Co., Ltd	58

View Lastest Price from 5-Nitrobenzimidazole manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-01-16	5-Nitrobenzimidazole (6-NitrobenziMidazole) 94-52-0	US $0.00 / Kg/Bag	1KG	99%min	2000kg/month	WUHAN FORTUNA CHEMICAL CO., LTD
2025-12-24	5-Nitrobenzimidazole 94-52-0	US $0.00-0.00 / KG	1KG	99.0%	1000KG	Shaanxi Dideu Medichem Co. Ltd
2025-04-04	5-Nitrobenzimidazole 94-52-0	US $0.00-0.00 / kg	1kg	98%	1Ton	Henan Aochuang Chemical Co.,Ltd.

5-Nitrobenzimidazole (6-NitrobenziMidazole)
94-52-0
US $0.00 / Kg/Bag
99%min
WUHAN FORTUNA CHEMICAL CO., LTD

5-Nitrobenzimidazole
94-52-0
US $0.00-0.00 / KG
99.0%
Shaanxi Dideu Medichem Co. Ltd

5-Nitrobenzimidazole
94-52-0
US $0.00-0.00 / kg
98%
Henan Aochuang Chemical Co.,Ltd.

5-Nitrobenzimidazole Spectrum

5-Nitrobenzimidazole(94-52-0)MS 5-Nitrobenzimidazole(94-52-0)¹HNMR 5-Nitrobenzimidazole(94-52-0)IR1 5-Nitrobenzimidazole(94-52-0)IR2 5-Nitrobenzimidazole(94-52-0)Raman

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2-AMINO-6-NITROBENZIMIDAZOLE Indene 5,6-DINITROBENZIMIDAZOLE

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5-NITROBENZIMIDAZOLE BASE 5-NITRO-1H-BENZIMIDAZOLE 5-NITRO-1H-BENZO[D]IMIDAZOLE 5(OR 6)-NITROBENZIMIDAZOLE 5(6)-nitrobenzimidazole 5(or6)-nitro-benzimidazol 5-nitro-1h-benzimidazol 5-NITROBENZIMIDAZOLE 99+% 5-Nrtiobenzimidazole 1H-Benzimidazole,5-nitro-(9CI) BIO-FARMA BF002407 6-NITROBENZIMIDAZOLE 1H-BENZIMIDAZOLE, 5-NITRO- 6-nitrobenzimdazole 5-Nitrobenzimidazole,98% 5(or 6)-Nitrobenzimidazole,98% 5-nitro-1H-1,3-benzodiazole 5-NITROBENZIMIDAZOLE FOR SYNTHESIS 5-Nitrobenzimidazole Solution, 100ppm 5-Nitrobenzimidazole solution,1000ppm solution,100ppm 6-nitro-1H-benzo[d]iMidazole 1H-Benzimidazole, 6-nitro- 5-Nitro-1H-benzoimidazole 5-nitro-benzimidazol 6-nitro-benzimidazol Benzimidazole,5(or6)-nitro- Benzimidazole,5-nitro- nci-c01912 5-NITROBENZIMIDAZOLE 5-Nitro Benzimmidazole 6-nitro-benzimidazo 5-Nitrobenzimidazole> 5-Nitrobenzimidazole Solution in Methanol, 1000μg/mL 5-Nitrobenzimidazole (6-NitrobenziMidazole) C15557200 5-Nitrobenzimidazole Rilpivirine Impurity 22 5-Nitrobenzimidizole 94-52-0 -NHCSHNC6H4 Pyridines Imidazol&Benzimidazole BENZIMIDAZOLE Organics john's