6-Hydroxyindazole

Modify Date: 2025-08-25 08:31:40

6-Hydroxyindazole Structure
6-Hydroxyindazole structure
 Common Name 6-Hydroxyindazole
CAS Number 23244-88-4 Molecular Weight 134.135
Density 1.4±0.1 g/cm3 Boiling Point 366.5±15.0 °C at 760 mmHg
Molecular Formula C7H6N2O Melting Point 157-160ºC
MSDS N/A Flash Point 175.5±20.4 °C

 Names

Name 1,2-dihydroindazol-6-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 366.5±15.0 °C at 760 mmHg
Melting Point 157-160ºC
Molecular Formula C7H6N2O
Molecular Weight 134.135
Flash Point 175.5±20.4 °C
Exact Mass 134.048019
PSA 48.91000
LogP 1.08
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.760

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NK8010000
CHEMICAL NAME :
6-Indazolol
CAS REGISTRY NUMBER :
23244-88-4
BEILSTEIN REFERENCE NO. :
0003215
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H6-N2-O
MOLECULAR WEIGHT :
134.15
WISWESSER LINE NOTATION :
T56 BM DNJ HQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04549

 Safety Information

Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases 26-36:-
HS Code 2933990090

 Synthetic Route

1H-Indazol-6-amine structure

1H-Indazol-6-amine

CAS#:6967-12-0

~77%

6-Hydroxyindazole Structure

6-Hydroxyindazole

CAS#:23244-88-4

Literature: Vernekar, Sanjeev Kumar V.; Hallaq, Hasan Y.; Clarkson, Guy; Thompson, Andrew J.; Silvestr, Linda; Lummis, Sarah C. R.; Lochner, Martin Journal of Medicinal Chemistry, 2010 , vol. 53, # 5 p. 2324 - 2328
6-Methoxy-1H-indazole structure

6-Methoxy-1H-in...

CAS#:3522-07-4

~88%

6-Hydroxyindazole Structure

6-Hydroxyindazole

CAS#:23244-88-4

Literature: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL; JIN, Jian; ROTH, Bryan; FRYE, Stephen Patent: WO2012/3418 A2, 2012 ; Location in patent: Page/Page column 73-74 ; WO 2012/003418 A2
2-Methyl-5-nitroaniline structure

2-Methyl-5-nitr...

CAS#:99-55-8

~%

6-Hydroxyindazole Structure

6-Hydroxyindazole

CAS#:23244-88-4

Literature: Chemische Berichte, , vol. 23, p. 3642 Chemische Berichte, , vol. 25, p. 3152
2-Fluoro-4-methoxybenzaldehyde structure

2-Fluoro-4-meth...

CAS#:331-64-6

~%

6-Hydroxyindazole Structure

6-Hydroxyindazole

CAS#:23244-88-4

Literature: WO2012/3418 A2, ; WO 2012/003418 A2
6-Nitroindazole structure

6-Nitroindazole

CAS#:7597-18-4

~%

6-Hydroxyindazole Structure

6-Hydroxyindazole

CAS#:23244-88-4

Literature: Chemische Berichte, , vol. 23, p. 3642 Chemische Berichte, , vol. 25, p. 3152

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1(2)H-Indazol-6-ol
Indazole,6-hydroxy
6-indazolol
6-Hydroxyindazole
6-Hydroxy 1H-indazole
1H-Indazol-6-ol
6-Hydroxy-1H-indazole
indazol-6-ol
EINECS 245-519-5
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