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1H-Pyrazol-3-amine

1H-Pyrazol-3-amine structure

CAS No:
1820-80-0
Formula:
C3H5N3
Chemical Name:
1H-Pyrazol-3-amine
Synonyms:
1H-Pyrazol-3-amine;Pyrazole,3-amino-;Pyrazole,3(or 5)-amino-;3-Aminopyrazole;5-Aminopyrazole;3(5)-Aminopyrazole;5-Pyrazolamine;1H-Pyrazol-5-amine;3-Amino-1H-pyrazole;(5-1H-Pyrazolyl)amine;1H-Pyrazol-3-ylamine;NSC 76122;1H-Pyrazole-3-amine;3-AP;3-Amino-2H-pyrazole;2H-Pyrazol-3-ylamine;1003-06-1;29212-72-4;56112-97-1;72194-26-4;73616-30-5;77640-23-4;99759-78-1;103060-65-7;104035-20-3;112106-77-1;141665-25-0;145370-87-2;148291-51-4;188997-99-1;223391-36-4;244127-24-0;337913-21-0;371249-00-2;412350-93-7;475108-92-0;493038-81-6;749216-49-7;827587-65-5;846601-87-4;868702-42-5;916420-28-5;1022928-58-0;1028842-80-9;1048925-27-4;1061704-85-5;1887749-07-6
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

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Description

3-Aminopyrazole is Low-Melting Yellow Solid

1H-Pyrazol-3-amine Basic Attributes

Molecular Weight：

83.09

Exact Mass：

83.09

BRN：

1618

EC Number：

217-338-1

NSC Number：

76122

DSSTox ID：

DTXSID00171229

HScode：

29331990

Characteristics

PSA：

54.7

XLogP3：

-0.1

Appearance：

White to light yellow Oily Liquid or Crystalline Low Melting Solid

Density：

1.0248 (rough estimate)

Melting Point：

36-38 °C

Boiling Point：

146-148 °C @ Press: 11 Torr

Flash Point：

>230 °F

Refractive Index：

1.5060 (estimate)

Storage Conditions：

2-8°C

Vapor Pressure：

0.002mmHg at 25°C

Safety Information

Packing level：

Ⅱ

Hazard category：

Transport codes：

UN 3263 8/PG 2

wgk germany：

hazard class code：

22-34-36/37/38

safety instructions：

26-36/37/39-45-27

Marks：

C,Xi

Hazard note：

Corrosive

Stability/Shelf Life：

Stable at room temperature in closed containers under normal storage and handling conditions.

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H302-H314

GHS Classification：

|Danger|H302 (93.75%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P261, P264, P270, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P333+P313, P363, P405, and P501|Aggregated GHS information provided by 50 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Drug Information

MeSH Entry Terms：

3-aminopyrazole

1H-Pyrazol-3-amine Use and Manufacturing

Used in the preparation of heterocyclic compounds of pharamaceutical interest

Computed Properties

Molecular Weight:83.09
XLogP3:-0.1
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Exact Mass:83.048347172
Monoisotopic Mass:83.048347172
Topological Polar Surface Area:54.7
Heavy Atom Count:6
Complexity:45.3
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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