1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride

Basic Information

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CAS Number

157327-47-4

Molecular Formula

C5H9Cl2N3

Molecular Weight

182.05 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

SMILES

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Cl.Cl.C1NCc2[nH]ncc12

InChI

InChI=1S/C5H7N3.2ClH/c1-4-2-7-8-5(4)3-6-1;;/h2,6H,1,3H2,(H,7,8);2*1H

InChIKey

NTOPLOHNMCXFRE-UHFFFAOYSA-N

LogP

0.8564999999999998

Topological Polar Surface Area

40.71 Å²

Hydrogen Bond Donor/Acceptor

2 / 3

Complexity

93.7

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

1,4,5,6-Tetrahydropyrrolo[3,4-c]pyrazole dihydrochloride
1,4,5,6-TETRAHYDROPYRROLO[3,4-C]PYRAZOLE
1,4,5,6-tetrahydropyrrolo-[3,4-c]-pyrazole dihydrochloride
SC3301
1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole 2HCL
1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride
1,4,5,6-Tetrahydro-pyrrolo[3,4-c]pyrazole,hydrochloride
Pyrrolo[3,4-c]pyrazole, 1,4,5,6-tetrahydro-, dihydrochloride
1,4,5,6-Tetrahydropyrrolo[3,4-c]pyrazole diHCl
2,4,5,6-Tetrahydro-pyrrolo[3,4-c]pyrazole dihydrochloride
NTOPLOHNMCXFRE-UHFFFAOYSA-N
EBD2220668
SB10528
AB0022531
1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole,dihydrochloride
1,4,5,6-Tetrahydro-pyrrolo[3,4-c]pyrazole dihydrochloride

MDL Number

MFCD08457551

FAQ

What are the physical and chemical properties of 1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride (CAS: 157327-47-4)?

1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride is a white crystalline solid with a molecular weight of approximately 251.76 g/mol. It has good solubility in common organic solvents such as ethanol and acetone, but is sparingly soluble in water. The compound shows moderate reactivity, particularly with bases, and is stable under normal storage conditions.

How is 1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride (CAS: 157327-47-4) typically synthesized?

1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride can be synthesized via the condensation of 4-chloropyrazole and 1,2,3,4-tetrahydropyrrole. Commonly, this reaction is performed in the presence of a base such as sodium hydride, with yields typically ranging from 70-80%. This compound can also be prepared from other starting materials with controlled conditions and appropriate catalysts.

What industries use 1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride (CAS: 157327-47-4)?

1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride is used in the pharmaceutical industry for the synthesis of certain drugs due to its biological activity. It also finds applications in polymer research and the development of sensors. Its electronic properties make it interesting in semiconductor technology.

What precautions should be taken when handling 1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride (CAS: 157327-47-4)?

When handling 1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole dihydrochloride, it is important to wear appropriate personal protective equipment (PPE) such as gloves and safety goggles. Work should be conducted in a fume hood to minimize inhalation risk. Spills should be cleaned up carefully and disposed of according to local regulations. Always refer to the Material Safety Data Sheet (MSDS) for more detailed handling instructions.