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253-52-1

253-52-1 Structure

253-52-1 Structure
IdentificationMore
[Name]

Phthalazine
[CAS]

253-52-1
[Synonyms]

2,3-BENZODIAZINE
4,5-BENZOPYRIDAZINE
BENZO[D]PYRIDAZINE
PHTHALAZINE
PHZ
2,3-Diazanaphthalene
beta-Phenodiazine
β-Phenodiazine
Phthalazine~99%
4,5-Benzo-1,2-diazine
[EINECS(EC#)]

205-963-2
[Molecular Formula]

C8H6N2
[MDL Number]

MFCD00006908
[Molecular Weight]

130.15
[MOL File]

253-52-1.mol
Chemical PropertiesBack Directory
[Appearance]

SLIGHTLY BROWN TO BEIGE CRYSTALLINE POWDER
[Melting point ]

89-92 °C(lit.)
[Boiling point ]

189 °C29 mm Hg(lit.)
[density ]

1.1509 (rough estimate)
[refractive index ]

1.6231 (estimate)
[Fp ]

178-180°C/15mm
[storage temp. ]

2-8°C
[form ]

Crystalline Powder
[pka]

3.47(at 20℃)
[color ]

Slightly brown to beige
[Water Solubility ]

Soluble in water, methanol, chloroform.
[Merck ]

14,7370
[BRN ]

109240
[CAS DataBase Reference]

253-52-1(CAS DataBase Reference)
[NIST Chemistry Reference]

Phthalazine(253-52-1)
[EPA Substance Registry System]

253-52-1(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[TSCA ]

Yes
[HS Code ]

29339900
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

1-CHLOROPHTHALAZINE-->Hyaluronidase-->Cadralazine-->Ophthazin-->2-Ethyl-3-methylnaphthalene
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2,3-Benzodiazine(253-52-1).msds
Hazard InformationBack Directory
[Chemical Properties]

SLIGHTLY BROWN TO BEIGE CRYSTALLINE POWDER
[Uses]

Phthalazine derivatives including copper and platinum complexes were induce the apoptosis in breast cancer cell lines and renal hyperemia.
[Uses]

Phthalazine is a heterocyclic organic compound isomeric with quinoxaline, cinnoline and quinazoline. Aminophthalazine compounds serve as effective phosphodiesterase (PDE) inhibitors.
[Definition]

ChEBI: An azaarene that is the 2,3-diaza analogue of naphthalene. The parent of the class of phthalazines.
[Synthesis Reference(s)]

Journal of Heterocyclic Chemistry, 2, p. 206, 1965 DOI: 10.1002/jhet.5570020219
[Purification Methods]

Phthalazine crystallises from diethyl ether or *benzene, and sublimes under a vacuum. The hydrochloride forms needles from EtOH with m 235-236o(dec) and the picrate has m 208-210o. [Armarego J Appl Chem 11 70 1961, Beilstein 23 H 174, 23 III/IV 1233.]
Spectrum DetailBack Directory
[Spectrum Detail]

Phthalazine(253-52-1)MS
Phthalazine(253-52-1)1HNMR
Phthalazine(253-52-1)13CNMR
Phthalazine(253-52-1)IR1
Phthalazine(253-52-1)IR2
Phthalazine(253-52-1)IR3
Phthalazine(253-52-1)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Phthalazine, 98%(253-52-1)
[Alfa Aesar]

Phthalazine, 98%(253-52-1)
[Sigma Aldrich]

253-52-1(sigmaaldrich)
[TCI AMERICA]

Phthalazine,>98.0%(GC)(T)(253-52-1)
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