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1H-Indazol-5-amine

1H-Indazol-5-amine structure

CAS No:
19335-11-6
Formula:
C7H7N3
Chemical Name:
1H-Indazol-5-amine
Synonyms:
1H-Indazol-5-amine;1H-Indazole,5-amino-;5-Aminoindazole;5-Amino-1H-indazole;5-Indazolylamine;5-Indazolamine;5-Aminobenzopyrazole;1H-Indazol-5-ylamine;NSC 44676;AC 30454
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

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Description

white to light yellow crystal powde

1H-Indazol-5-amine Basic Attributes

Molecular Weight：

133.15

Exact Mass：

133.15

BRN：

3259

EC Number：

242-971-5

UNII：

A5B06TDT72

NSC Number：

44676

DSSTox ID：

DTXSID2066480

HScode：

29339900

Characteristics

PSA：

54.7

XLogP3：

1.5

Appearance：

gray to purple-brown powder.

Density：

1.1873 (rough estimate)

Melting Point：

175-178 °C

Boiling Point：

235.67°C (rough estimate)

Flash Point：

209.5±7.6 °C

Refractive Index：

1.5341 (estimate)

Water Solubility：

17.9 [ug/mL]

Vapor Pressure：

5.92E-10mmHg at 25°C

Safety Information

Packing level：

III

Hazard category：

6.1

Transport codes：

UN 2811 6.1/PG 3

wgk germany：

hazard class code：

25-36/37/38

safety instructions：

26-36-45-37/39

RTECS Number：

NK7711000

Marks：

T,Xn

Precautionary statement(s)：

P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H301

GHS Classification：

|Danger|H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 47 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

5-aminoindazole

1H-Indazol-5-amine Use and Manufacturing

Methods of Manufacturing

Preparation 4A mixture of 5-nitro-1H-indazole (25 g, 0.153 mmol, commercially available) and 10percent Pd/C (2.0 g) in MeOH was stirred under HExample B16 A mixture of 5-nitro-lH-indazole (50 g, 0.31 mol) and 10 percent Pd/C (5.0 g) in MeOH (400 mL) was heated under H

Manufacturing Info：

1H-Indazol-5-amine: INACTIVE

Computed Properties

Molecular Weight:133.15
XLogP3:1.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Exact Mass:133.063997236
Monoisotopic Mass:133.063997236
Topological Polar Surface Area:54.7
Heavy Atom Count:10
Complexity:126
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Acetic acid

Sodium nitrite

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