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2-Hydroxybenzimidazole

2-Hydroxybenzimidazole structure

CAS No.: 615-16-7

Chemical Name:: 2-Hydroxybenzimidazole

Synonyms: 1H-BENZO[D]IMIDAZOL-2(3H)-ONE;1,3-dihydro-2H-benzo[d]imidazol-2-one;1H-benzo[d]iMidazol-2-ol;2H-Benzimidazol-2-one, 1,3-dihydro-;1H-BENZIMIDAZOL-2-OL;1,3-DIHYDRO-BENZOIMIDAZOL-2-ONE;1,3-DIHYDRO-2H-BENZIMIDAZOL-2-ONE;2-BENZIMIDAZOLOL;2(3H)-BENZIMIDAZOLONE;Rabeprazole Sodium Impurity K

CBNumber:: CB1338605

Molecular Formula:: C7H6N2O

Molecular Weight:: 134.14

MDL Number:: MFCD00127894

MOL File:: 615-16-7.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-27 23:29:07

Product description	Number	Pack Size	Price
2-Hydroxybenzimidazole 97%	H19859	5g	$50.3
2-Hydroxybenzimidazole 97%	H19859	25g	$165
2-Hydroxybenzimidazole >98.0%(N)	H0739	25g	$93
2-Hydroxybenzimidazole	TRC-H829000-1G	1g	$77
2-Hydroxybenzimidazole	TRC-H829000-10G	10g	$135
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2-Hydroxybenzimidazole Properties

Melting point	>300 °C (lit.)
Boiling point	247.23°C (rough estimate)
Density	1.2296 (rough estimate)
refractive index	1.5880 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	0.543g/l
form	Crystalline Powder
pka	11.95±0.10(Predicted)
color	Off-white to pale brown
Water Solubility	insoluble
BRN	119866
InChI	1S/C7H6N2O/c10-7-8-5-3-1-2-4-6(5)9-7/h1-4H,(H2,8,9,10)
InChIKey	SILNNFMWIMZVEQ-UHFFFAOYSA-N
SMILES	O=C1Nc2ccccc2N1
LogP	1.17 at 23℃ and pH6.2-6.4
CAS DataBase Reference	615-16-7(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	CV8118UZEW
NIST Chemistry Reference	2H-Benzimidazol-2-one, 1,3-dihydro-(615-16-7)
EPA Substance Registry System	2H-Benzimidazol-2-one, 1,3-dihydro- (615-16-7)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302

Precautionary statements

P301+P312+P330

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Risk Statements

36/37/38

Safety Statements

22-24/25-37/39

WGK Germany

RTECS

DE1625000

Hazard Note

Irritant

TSCA

TSCA listed

HS Code

29339990

Storage Class

11 - Combustible Solids

Hazard Classifications

Acute Tox. 4 Oral

Toxicity

LD50 scu-mus: 620 mg/kg ARZNAD 8,42,58

REACH Registrations

Active

NFPA 704

	1
2		0

2-Hydroxybenzimidazole price More Price(77)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	H19859	2-Hydroxybenzimidazole 97%	615-16-7	5g	$50.3	2026-04-30	Buy
Sigma-Aldrich	H19859	2-Hydroxybenzimidazole 97%	615-16-7	25g	$165	2026-04-30	Buy
TCI Chemical	H0739	2-Hydroxybenzimidazole >98.0%(N)	615-16-7	25g	$93	2026-04-30	Buy
TRC	TRC-H829000-1G	2-Hydroxybenzimidazole	615-16-7	1g	$77	2026-06-03	Buy
TRC	TRC-H829000-10G	2-Hydroxybenzimidazole	615-16-7	10g	$135	2026-06-03	Buy

Product number	Packaging	Price	Buy
H19859	5g	$50.3	Buy
H19859	25g	$165	Buy
H0739	25g	$93	Buy
TRC-H829000-1G	1g	$77	Buy
TRC-H829000-10G	10g	$135	Buy

2-Hydroxybenzimidazole Chemical Properties,Uses,Production

Chemical Properties

off-white to pale brown crystalline powder

Uses

A metabolite of the neuroleptic Droperidol (D679500).

Uses

2-Hydroxybenzimidazole (Lansoprazole EP Impurity D(Rabeprazole EP Impurity K)) is a metabolite of the neuroleptic Droperidol (D679500).

Synthesis Reference(s)

The Journal of Organic Chemistry, 33, p. 2543, 1968 DOI: 10.1021/jo01270a093
Synthesis, p. 322, 1991 DOI: 10.1055/s-1991-26457
Tetrahedron Letters, 22, p. 2431, 1981 DOI: 10.1016/S0040-4039(01)92925-9

Safety Profile

Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic vapors of NOx.

2-Hydroxybenzimidazole synthesis

Synthesis of 2-Hydroxybenzimidazole from o-Phenylenediamine and Urea

2-Hydroxybenzimidazole Preparation Products And Raw materials

Raw materials

S,S-bis(1-phenyl-1H-tetrazol-5-yl) dithiocarbonate 1-Phenyltetrazole-5-thiol o-Phenylenediamine phenyl 4,5-dichloro-6-oxopyridazine-1(6H)-carboxylate 1,2-Benzenediamine, N,N'-bis(trimethylsilyl)-

Benzenecarboximidic acid, 2-amino- (9CI) (2-aminophenyl)(1H-benzo[d][1,2,3]triazol-1-yl)methanone 2-AMINO-N-HYDROXYBENZENECARBOXAMIDE p-Tolyl isocyanate

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Preparation Products

5-IODO-1,3-DIHYDRO-BENZIMIDAZOL-2-ONE Basic Yellow 24 BASIC YELLOW 40 ETHYL 6-BROMO-2-OXO-2,3-DIHYDRO-1H-1,3-BENZIMIDAZOLE-1-CARBOXYLATE

2-Hydroxybenzimidazole Suppliers

Global( 448)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-17392712779	1097@dideu.com	China	3989	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20111	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21533	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29766	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49906	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17339	58
TargetMol Chemicals Inc.	+1-781-999-5354; +1-00000000000	marketing@targetmol.com	United States	32431	58
Career Henan Chemica Co	+86-0371-86658258 +86-13203830695	laboratory@coreychem.com	China	30203	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
Shanghai UCHEM Inc.	+86-18930848214 +86-021-56762820	sales@myuchem.com	China	8927	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Henan Fengda Chemical Co., Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
CONIER CHEM AND PHARMA LIMITED	58
SIMAGCHEM CORP	58
TargetMol Chemicals Inc.	58
Career Henan Chemica Co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Shanghai UCHEM Inc.	58

View Lastest Price from 2-Hydroxybenzimidazole manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-31	2-Hydroxybenzimidazole 615-16-7		1KG	98%min	500KGS	WUHAN FORTUNA CHEMICAL CO., LTD
2026-08-26	2-Hydroxybenzimidazole 615-16-7	$5.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2026-08-08	2-Hydroxybenzimidazole 615-16-7	$29.00		99.49%	10g	TargetMol Chemicals Inc.

2-Hydroxybenzimidazole
615-16-7
$0.00
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

2-Hydroxybenzimidazole
615-16-7
$5.00
99%
Henan Fengda Chemical Co., Ltd

2-Hydroxybenzimidazole
615-16-7
$29.00
99.49%
TargetMol Chemicals Inc.

2-Hydroxybenzimidazole Spectrum

2-Hydroxybenzimidazole(615-16-7)MS 2-Hydroxybenzimidazole(615-16-7)¹HNMR 2-Hydroxybenzimidazole(615-16-7)¹³CNMR 2-Hydroxybenzimidazole(615-16-7)IR1 2-Hydroxybenzimidazole(615-16-7)IR2 2-Hydroxybenzimidazole(615-16-7)Raman

615-16-7(2-Hydroxybenzimidazole)Related Search:

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benzimidazol-2-one Phenformin 2-Chlorobenzimidazole Benzimidazole 2-Mercaptobenzoxazole

2-Hydroxymethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hydrochloride N-[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]Methyl Lansoprazole Sulfide R-(+)-Lansoprazole Urea Dexlansoprazole related impurities 1

Dexlansoprazole impurity 10027-0322 Dexlansoprazole Intermediate Impurity 1 NA

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o-phenylene urea RARECHEM AQ NN 0099 TIMTEC-BB SBB004209 TIMTEC-BB SBB000067 2-Hydroxybenzimidazole,2(1H)-Benzimidazolone (1H-Benzimidazol-2-ol) 2-hydroxy and iMidazole 2H-Benzimidazol-2-one, 1,3-dihydro- o-Benzimidazolone 2-Hydroxybenzimidazole,97% 1, 3-Dihydrobenzoimidazol-2-one (Benzimidazolinone) 1,3-dihydro-2h-benzimidazol-2-on 2(3H)-Oxobenzimidazole 2-alpha-Hydroxybenzimidazole 2,3-Dihydro-2-oxo-1H-benzimidazole NSC 10383 NSC 178108 Rabeprazole Impurity 34（Rabeprazole EP Impurity K） 1,3,3a,7a-tetrahydrobenzimidazol-2-one Rabeprazole-4 1H-1,3-benzodiazol-2-ol Lansoprazole related substance D Lansoprazole EP IMpurity D Lansoprazole impurity D Lansoprazole Impurity Ⅲ Rabeprazole EP Impurity K domperidone IMP 2h-benzimidazol 2-Hydroxy-1H-benzimidazole 2-Oxobenzimidazole Benzamidazole-2(3H)-one Dihydrobenzimidazolone N,N'-(1,2-Phenyleneurea) Urea, N,N'-(1,2-phenylene)- AKOS BBS-00004602 AKOS B029741 2-Hydroxybenzimidazole - EP AURORA KA-3363 3-Fluoro-4-(4-methyl-1H-imidazol-1-yl)benzenamine 1,3-dimethyl-1H-benzo[d]imidazol-2(3H)-one 2(1H)-BENZIMIDAZOLONE 2-BENZIMIDAZOLINONE 2-BENZIMIDAZOLONE 2-HYDROXYBENZIMIDAZOLE 2-Hydroxybenzimidazole,98% o-Phenylene 2-Hydroxybenzimidazole 97% 2-BENZIMIDAZOLIONE 2H-Benzimidazol-2-one,1,3-dihydro-(9CI) 1,3-DIMETHYL-1,3-DIHYDRO-BENZOIMIDAZOL-2-ONE Lansoprazole EP Impurity D(Rabeprazole EP Impurity K) Rabeprazolesodium Impurity Z Lansoprazole Impurity 4(Lansoprazole EP Impurity D) 2,3-Dihydrobenzimidazol-2-one Dexlansoprazole impurity F Hydroxybenzimidazole Hydroxybenzimidazole 2-Hydroxybenzimidazole> Lansoprazole (EP) Imp.D Rabeprazole EP Impurity K (Lansoprazole EP Impurity D)