ChemicalBook CAS DataBase List 2622-26-6

2622-26-6

Name	PROPERICYAZINE
CAS	2622-26-6
EINECS(EC#)	220-071-3
Molecular Formula	C21H23N3OS
MDL Number	MFCD00210348
Molecular Weight	365.49
MOL File	2622-26-6.mol

Chemical Properties

Melting point	116-117°
Boiling point	593.4±50.0 °C(Predicted)
density	1.1198 (rough estimate)
refractive index	1.6740 (estimate)
storage temp.	2-8°C
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Solid
pka	14.87±0.20(Predicted)
color	Light Yellow to Yellow
Water Solubility	38.01mg/L(37 ºC)
CAS DataBase Reference	2622-26-6

Safety Data

Hazard Codes	Xn
Risk Statements	22-36/37/38-20/21/22 less more
Safety Statements	26-36 less more
RTECS	SN7175000
Safety Profile	Poison by ingestion, intraperitoneal, intravenous, and subcutaneous routes. Used as an antipsychotic agent. When heated to decomposition it emits very toxic fumes of CN-, NOx, and SOx. See also NITRILES. less more
Toxicity	LD50 orally in rats: 395 mg/kg (Schafer) less more

Hazard Information

Chemical Properties

Yellow Solid

Uses

Psychotherapeutic phenothiazine. Antipsychotic.

Definition

ChEBI: A member of the class of phenothiazines that is 10H-phenothiazine substituted by a 3-(4-hydroxypiperidin-1-yl)propyl group at the nitrogen atom and a carbonitrile group at position 2. Periciazine is a first generation antipsychotic.

Uses

Spectrophotometric reagent for palladium and ruthenium.

Originator

Aolept, Bayer Vital

Manufacturing Process

2-Cyano-10-(3-methanesulfonyloxypropyl)phenthiazine and 4hydroxypiperidine in toluene were heated under reflux with stirring. The reaction mixture was allowed to cool and water was added. The resulting toluene solution layer was decanted and washed twice with water. The toluene solution was then stirred with 5% hydrochloric acid. The hydrochloride of the desired phenthiazine base precipitated in gummy condition in the aqueous layer. This was decanted and treated with sodium hydroxide (density 1.33). It was then extracted three times with ethyl acetate. The extracts were dried over sodium sulfate, filtered and concentrated in vacuum. A resinous product was obtained. This product was dissolved in a mixture of benzene and cyclohexane and chromatographed on a column containing alumina. The chromatographed product was eluted successively with mixtures of benzene and cyclohexane and then with benzene and finally with a mixture of benzene and ethyl acetate. The eluates were evaporated to yield a crude product. This product was recrystallised from aqueous ethanol (40% water) and yielded 2cyano-10-[3-(4-hydroxy-1-piperidyl)propyl]phenthiazine as white crystals.

Therapeutic Function

Neuroleptic

storage

Store at -20°C

Purification Methods

It recrystallises from a saturated solution in cyclohexane. It is antipsychotic and is a sensitive reagent for Pd, Va, Ru, Rh and Au. [Gowda et al. Anal Chem 55 1816 1983, Anal Chim Acta 154 347 1983, Beilstein 27 III/IV 4110.]

Spectrum Detail

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