1-Phthalazinol

Basic Information

View in Editor

CAS Number

119-39-1

Molecular Formula

C8H6N2O

Molecular Weight

146.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

183.0 to 187.0 deg-C

Boiling Point

337°C

Flash Point

209.9 °C

Refractive Index

1.4900 (estimate)

Vapor Pressure

0.0±1.0 mmHg at 25°C

SMILES

View in Editor

Oc1nncc2ccccc12

InChI

InChI=1S/C8H6N2O/c11-8-7-4-2-1-3-6(7)5-9-10-8/h1-5H,(H,10,11)

InChIKey

IJAPPYDYQCXOEF-UHFFFAOYSA-N

LogP

1.3354

Topological Polar Surface Area

46.010000000000005 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

200

Safety Information

View Safety Information

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

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

Phthalazin-1(2H)-one
BENZO[D]PYRIDAZIN-1(2H)ONE
DIHYDROOXOPHTHALAZINE
1,3-DIHYDRO-4-KETO-2 3-BENZODIAZINE
1(2H)-PHTHALAZINONE
1,2H-PHTHALAZONE
1,2-DIHYDROPHTHALAZIN-1-ONE
PTLZ
PHTHALAZONE
Phthalazinone
1,2-dihydro-1-oxophthalazine
1-oxophthalazine
1-phthalazinol
1-phthalazinone
2,3-Phthalazinone
2H-phthalazin-1-one
phthalazin-1-one
Pthalazone
phthalazin-1-ol
1-Hydroxyphthalazine
1(2H)Phthalazinone
463ZJB0EI2
IJAPPYDYQCXOEF-UHFFFAOYSA-N
2-hydrophthalazin-1-one
WLN: T66 BVMNJ
Phthalazone, 99%
(2H)-phthalazinone
Phthalazinol (9
Benzo[d]pyridazin-1(2H)one
1(2H)-Phthalazinone
Phthalazone

MDL Number

MFCD00006892

Customs Code

29339990

FAQ

What is 1-Phthalazinol (CAS: 119-39-1)?

1-Phthalazinol is an organic compound with the chemical formula C10H7N. It is an aromatic heterocyclic compound, characterized by its phthalazine ring. 1-Phthalazinol is used in various applications including pharmaceuticals, dyes, and as a research reagent.

What are the main uses of 1-Phthalazinol (CAS: 119-39-1)?

1-Phthalazinol is primarily used in the pharmaceutical industry as an intermediate for the synthesis of medicinal compounds. It is also used in the dye industry for manufacturing certain types of dyes, and as a research reagent for chemical and biological studies.

Is 1-Phthalazinol (CAS: 119-39-1) safe?

1-Phthalazinol is generally considered safe for industrial use, but precautions must be taken. It is mildly toxic and may cause skin irritation. It is recommended to handle with gloves and in a well-ventilated area. Avoid contact with eyes and skin, and wash hands thoroughly after handling.

How should 1-Phthalazinol (CAS: 119-39-1) be stored?

1-Phthalazinol should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent moisture absorption. Store it in a well-ventilated area to avoid the accumulation of flammable gases. Proper safety equipment such as a fire extinguisher should be readily available.