ChemicalBook > CAS DataBase List > 1(2H)-Phthalazinone

1(2H)-Phthalazinone

Product Name
1(2H)-Phthalazinone
CAS No.
119-39-1
Chemical Name
1(2H)-Phthalazinone
Synonyms
phthalazinone;Phthalazin-1(2H)-one;PHTHALAZONE;1-Phthalazinone;PTLZ;Pthalazone;1-phthalazinol;Phthalazone>1,2H-PHTHALAZONE;phthalazin-1-one
CBNumber
CB1282098
Molecular Formula
C8H6N2O
Formula Weight
146.15
MOL File
119-39-1.mol
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1(2H)-Phthalazinone Property

Melting point:
183-185 °C(lit.)
Boiling point:
337°C(lit.)
Density 
1.2312 (rough estimate)
refractive index 
1.4900 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form 
Crystalline Powder
pka
12.29±0.20(Predicted)
color 
Off-white to pale yellow
BRN 
3654
InChIKey
IJAPPYDYQCXOEF-UHFFFAOYSA-N
CAS DataBase Reference
119-39-1(CAS DataBase Reference)
EPA Substance Registry System
1(2H)-Phthalazinone (119-39-1)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-68-36/37/38
Safety Statements 
22-24/25-36/37/39-26
WGK Germany 
3
RTECS 
TH9185000
HazardClass 
IRRITANT
HS Code 
29339990
Hazardous Substances Data
119-39-1(Hazardous Substances Data)
Toxicity
mouse,LD50,intravenous,180mg/kg (180mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00139,
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
P39001
Product name
Phthalazone
Purity
99%
Packaging
5g
Price
$53.1
Updated
2024/03/01
Sigma-Aldrich
Product number
P39001
Product name
Phthalazone
Purity
99%
Packaging
100g
Price
$362
Updated
2023/06/20
TCI Chemical
Product number
P1179
Product name
Phthalazone
Purity
>98.0%(GC)
Packaging
25g
Price
$36
Updated
2024/03/01
TCI Chemical
Product number
P1179
Product name
Phthalazone
Purity
>98.0%(GC)
Packaging
500g
Price
$255
Updated
2024/03/01
TRC
Product number
P382600
Product name
Phthalazone
Packaging
1g
Price
$65
Updated
2021/12/16
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1(2H)-Phthalazinone Chemical Properties,Usage,Production

Chemical Properties

Off-white to pale yellow crystalline powder

Uses

Phthalazone is a remarkable scaffold in drug discovery. Also, functions as an oxidative metabolic pathway of lenvatinib mediated by aldehyde oxidase.

Definition

ChEBI: Phthalazin-1(2H)-one is a member of phthalazines.

General Description

Pale yellow crystals. Insoluble in water.

Air & Water Reactions

Insoluble in water.

Fire Hazard

Flash point data for 1(2H)-Phthalazinone are not available. 1(2H)-Phthalazinone is probably combustible.

Purification Methods

Phthalazone crystallises from H2O or EtOH and sublimes in vacuo. [Beilstein 24 H 142, 24 24 III/IV 400.]

1(2H)-Phthalazinone Preparation Products And Raw materials

Raw materials

Benzoylformic acid Hydrazine sulfate Potassium permanganate

Preparation Products

1-CHLOROPHTHALAZINE
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1(2H)-Phthalazinone Suppliers

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View Lastest Price from 1(2H)-Phthalazinone manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
1(2H)-Phthalazinone 119-39-1
Price
US $50.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10000
Release date
2023-10-30
airuikechemical co., ltd.
Product
1(2H)-Phthalazinone 119-39-1
Price
US $0.00-0.00/g
Min. Order
1g
Purity
99.99%
Supply Ability
20 tons
Release date
2024-04-09
Weijer International Trade (Hebei) Co., Ltd
Product
phthalazin-1(2H)-one 119-39-1
Price
US $150.00/KG
Min. Order
1KG
Purity
>99%
Supply Ability
50000kg/Month
Release date
2023-03-13

119-39-1, 1(2H)-PhthalazinoneRelated Search:

beta-Tetralone Buprofezin Laurocapram Benzo[b]thien-2-ylboronic acid Phthalhydrazide N-Methyl-2-pyrrolidone Nabumetone Metribuzin Toltrazuril 2-Acetonaphthone Hexazinone 4-Chloro-1(2H)-phthalazinone, 98% (4-OXO-3,4-DIHYDROPHTHALAZIN-1-YL)ACETIC ACID 1(2H)-PHTHALAZINONE, 4-PHENYL- 1,2H-PHTHALAZONE 4-(4-Chloro-benzyl)-2H-phthalazin-1-one 1(2h)-phthalazinone,4-((4-chlorophenyl)methyl)-2-(hexahydro-1-methyl-1h-azepi 1(2h)-phthalazinone,hydrazone,monohydrochlorid

  • BENZO[D]PYRIDAZIN-1(2H)ONE
  • 2H-Phthalazin-1-one
  • 1(2H)-Phthalazinone, 98+%
  • 1,2-Dihydrophthalazine-1-one
  • Pthalazone
  • 1,2-Dihydro-1-oxophthalazine, Benzo[d]pyridazin-1(2H)-one, Phthalazone
  • 1(2H)-Phthalazinone, 98+% 5GR
  • Benzo[d]pyridazin-1(2H)one 1(2H)-Phthalazinone
  • Hydralazine IMpurity 01
  • Hydralazine Hydroxy IMpurity
  • phthalazin-1(4H)-one
  • 1-Phthalazinone
  • DIHYDROOXOPHTHALAZINE
  • 1,3-DIHYDRO-4-KETO-2 3-BENZODIAZINE
  • 1(2H)-PHTHALAZINONE
  • 1,2H-PHTHALAZONE
  • 1,2-DIHYDROPHTHALAZIN-1-ONE
  • phthalazin-1-one
  • phthalazinone
  • Phthalazin-1(2H)-one
  • 2,3-Phthalazinone
  • PTLZ
  • PHTHALAZONE
  • 1-phthalazinol
  • Phthalazone&gt
  • Phthalazin-1(2H)-one (Azelastine Impurity)
  • 119-39-1
  • 119-39-5
  • Heterocyclic Building Blocks
  • Pyridazines
  • Building Blocks
  • Aldehyde
  • Miscellaneous