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HCID 2732Erstellt: 26. Oktober 2026

Chlortalidon

CHLORTHALIDONE · chlorphthalidone · 2-chloro-5-[(1S)-1-hydroxy-3-oxo-2H-isoindol-1-yl]benzenesulfonamide · renon · g33182 · isoren · oradil · igroton

https://huagongshe.com/de/chemical/2732

Molekülstruktur von Chlortalidon

Identifikatoren & physikalische Daten

CAS No.77-36-1
SummenformelC14H11ClN2O4S
Durchschnittliche Molmasse338,8 g/mol
Monoisotopische Masse338,0128057 g/mol
SMILESNS(=O)(=O)c1cc(C2(O)NC(=O)c3ccccc32)ccc1Cl
InChIKeyJIVPVXMEBJLZRO-UHFFFAOYSA-N
PubChem CID2732
ChEMBLCHEMBL1055
ChEBICHEBI:3654
EC No.201-022-5
DTXSIDDTXSID4022812
Lokaler NameChlortalidon

Chemische & physikalische Eigenschaften

XLogP0,9
Polarare Oberfläche (TPSA)118
H-Brücken-Donoren3
H-Brücken-Akzeptoren5
Frei drehbare Bindungen2
Schwere Atome22
Formalladung0
Komplexität564
LogP (Verteilungskoeffizient)0.85log Kow= 0.851.3
Color/FormCrystals from 50% acetic acidWHITE TO YELLOWISH-WHITE CRYSTALLINE POWDER
Löslichkeit12012 mg/100 ml in water @ 20 °C, 27 mg/100 ml @ 37 °C577 mg/100 ml in 0.1 N sodium carbonatemore sol in aq soln of sodium hydroxidesol in warm ethanolslightly sol in ether.Chlorthalidone is practically insoluble in water, in ether and in chloroformsoluble in methanolslightly soluble in alcohol.5.28e-02 g/LDMSO: soluble5mg/mL, clear (warmed)0.12g/L(25 ºC)
Schmelzpunkt239Dec 224-226 °C. Melting point range may extend from 218 to 264 °C on slow heating.218 - 264 °C265-267°C (dec.)
Physical DescriptionSolid
Collision Cross Section166.7 Ų [M+H-H2O]+ [CCS Type: TWMethod: calibrated with polyalanine and drug standards]175.75 Ų [M+K]+ [CCS Type: TW174.48 Ų [M+Na]+ [CCS Type: TW
Other Experimental PropertiesCan form monohydrate
Dichte1.3356 (rough estimate)
Brechungsindex1.5630 (estimate)
Lagerbedingungen2-8°C
pKa (Säurekonstante)pKa 9.4 (Uncertain)
Aggregatzustandpowder
Farbewhite to beige
StabilitätHygroscopic
Hauptanwendungenpharmaceutical (small molecule)
InChI1S/C14H11ClN2O4S/c15-11-6-5-8(7-12(11)22(16,20)21)14(19)10-4-2-1-3-9(10)13(18)17-14/h1-7,19H,(H,17,18)(H2,16,20,21)
InChIKeyJIVPVXMEBJLZRO-UHFFFAOYSA-N
SMILESNS(=O)(=O)c1cc(ccc1Cl)C2(O)NC(=O)c3ccccc23
NIST chemische InformationenChlorthalidone(77-36-1)
EPA chemische InformationenBenzenesulfonamide, 2-chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)- (77-36-1)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 38.7% (41 of 106) of reports.WarningH315 (58.5%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (59.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (57.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 106 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Reported as not meeting GHS hazard criteria per 41 of 106 reports by companies.There are 11 notifications provided by 65 of 106 reports by companies with hazard statement code(s).Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Regulatorische InformationenChlorthalidone: Does not have an individual approval but may be used under an appropriate group standard
Weitere SicherheitsinformationenIMAP assessments - Benzenesulfonamide, 2-chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)-: Environment tier I assessmentIMAP assessments - Benzenesulfonamide, 2-chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)-: Human health tier I assessment
FDA-AnforderungenManufacturers, packers, and distributors of drug and drug products for human use are responsible for complying with the labeling, certification, and usage requirements as prescribed by the Federal Food, Drug, and Cosmetic Act, as amended (secs 201-902, 52 Stat. 1040 et seq., as amended21 U.S.C. 321-392).
Special ReportsSTUDY OF PLACENTAL TRANSFER OF CHLORTHALIDONE AND ITS ELIMINATION IN MATERNAL MILK.[MULLEY BA ET ALPLACENTAL TRANSFER OF CHLORTHALIDONE & ITS ELIMINATION IN MATERNAL MILKEUR J CLIN PHARMACOL 13(2) 129-131 (1978)]
Hazard Classes and CategoriesSkin Irrit. 2 (58.5%)Eye Irrit. 2 (59.4%)STOT SE 3 (57.5%)
EntsorgungsverfahrenSRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
WechselwirkungenCHLOROTHIAZIDE & OTHER THIAZIDE DIURETICS /INCL CHLORTHALIDONE/ ENHANCE CARDIOTOXIC & NEUROTOXIC EFFECTS OF LITHIUM...CHLORTHALIDONE.../IS/ STRUCTURALLY RELATED TO THIAZIDE DIURETICS...SHOULD BE EXPECTED TO INTERACT WITH GUANETHIDINE /ENHANCING ITS HYPERTENSIVE ACTION/.../CHLORTHALIDONE/...MAY...INTERACT WITH PROBENECID /ANTAGONIZING ITS URICOSURIC EFFECTS & CAUSING URIC ACID RETENTION/.Concurrent use of thiazide diuretics with amiodarone may lead to an increased risk of arrhythmias associated with hypokalemia. /Thiazide diuretics/For more Interactions (Complete) data for CHLORTHALIDONE (17 total), please visit the HSDB record page.
Unerwünschte WirkungenSignificant adverse effects are electrolyte derangement (hypokalemia, hyponatremia, etc), hypersensitivity reaction, and precipitation of acute gout attacks. The adverse effects of chlorthalidone involve most organ systems to differing degrees and manifestations. Of significance, electrolyte derangement is a commonly reported adverse effect of this medication, which results from increased diuresis and altering of nephron physiology. Most commonly, chlorthalidone causes hypokalemia, but it may also cause hyponatremia or hypochloremia. These known derangements make monitoring serum electrolytes essential for patients receiving chlorthalidone periodically throughout hypertensive management.Reported Adverse Effects (per the Food and Drug Administration):* Gastrointestinal adverse effects: anorexia, gastritis, nausea, emesis, cramping, loose stools, constipation, and pancreatitis* Neurologic reactions: paresthesias, dizziness, and headaches* Hematologic reactions: aplastic anemia, leukopenia, agranulocytosis, and thrombocytopenia* Cardiovascular reaction: orthostatic hypotension* Dermatologic reactions: purpura, photosensitivity, rash, urticaria, necrotizing angiitis (cutaneous vasculitis), Lyell syndrome (toxic epidermal necrolysis), pseudoporphyria* Other adverse reactions include hyperglycemia, glycosuria, muscle spasm, weakness, restlessness, impotence, and hyperuricemia.Drug-Drug Interactions* Digitalis: Medications like digitalis can influence serum electrolyte levels, potentially leading to warning signs such as dry mouth, thirst, weakness, lethargy, drowsiness, restlessness, muscle pains or cramps, muscle fatigue, low blood pressure, decreased urine output, rapid heart rate, and gastrointestinal issues like nausea and vomiting.* Insulin and oral hypoglycemic agents: Chlorthalidone therapy may affect insulin needs in patients with diabetes, potentially necessitating adjustments in insulin dosage or requirements for higher doses of oral hypoglycemic agents. Additionally, latent diabetes may become apparent during treatment with chlorthalidone.* Tubocurarine: Chlorthalidone and similar drugs can increase sensitivity to tubocurarine, affecting its action.* Norepinephrine: Chlorthalidone may diminish arteries' responsiveness to norepinephrine, although the effect is not significant enough to render norepinephrine ineffective for therapeutic use.* Lithium: Close monitoring of lithium levels is imperative in individuals undergoing lithium treatment due to the potential of diuretics such as chlorthalidone to diminish lithium excretion, consequently triggering lithium toxicity.
ToxizitätsübersichtIDENTIFICATION: Chlorthalidone is a thiazide diuretic. Chlorthalidone is indicated in the management of hypertension as sole therapeutic agent or in combination with other antihypertensive drugs. Chlorthalidone is used as adjunctive therapy in the treatment of edema associated with heart failure, hepatic cirrhosis, and corticosteroid and estrogen therapy. Chlorthalidone has also been found useful in the edema due to various forms of renal dysfunction such as nephrotic syndrome. Chlorthalidone has been used in the treatment of premenstrual tension if there is evidence of fluid retention. Chlorthalidone has a paradoxical antidiuretic effect in patients with diabetes insipidus. HUMAN EXPOSURE: Main risks and target organs: Chlorthalidone is generally well tolerated during therapeutic use. Clinical toxicity is relatively infrequent and may result from overdosage, adverse reactions or hypersensitivity. Acute toxicity: Main risks include: hypokalemia, hyponatremia, hypotension, cardiac arrhythmias and central nervous system effects. Target organs: kidney, heart, CNS. Chronic toxicity and adverse reactions include: Metabolic disturbances, hypersensitivity reactions, aggravation of renal and/or hepatic insufficiency, gastrointestinal disturbances, blood dyscrasias, and central nervous system effects. Summary of clinical effects: Acute toxicity: Symptoms may include: hypokalemia, hyponatremia, dehydration, hypovolemic, cardiac dysrhythmias (ventricular extrasystoles and torsade de pointes due to hypokalemia), dizziness, lethargy, paresthesias. Chronic toxicity and adverse reactions: Several disturbances have been reported: Metabolic: hypokalemia, hyponatremia, hyperglycemia, hyperuricemia, metabolic alkalosis, aggravation of renal insufficiency. Cardiovascular: cardiac arrhythmias, enhancing the effect of digitalis on cardiac muscle, orthostatic hypotension. Central Nervous System: dizziness, vertigo, paresthesias, headache, xanthopsia. Gastrointestinal: anorexia, gasSigns and Symptoms of Overdose* Nausea* Weakness* Dizziness due to severe hypotension* Electrolyte disturbances such as hypokalemia, hyponatremia, and hypomagnesemiaManagement of acute overdosage* No specific antidote is available* Gastric lavage* Supportive management includes intravenous dextrose or normal saline for hypotension and intravenous potassium chloride for severe hypokalemia.
Human Toxicity ExcerptsCHLORTHALIDONE...TESTED IN NORMAL & GLAUCOMATOUS PT IN DOSES FROM 200 TO 500 MG/DAY...FOUND TO HAVE NO TENDENCY TO RAISE OCULAR PRESSURE...RATHER IT WAS FOUND TO REDUCE PRESSURE SLIGHTLY, PARTICULARLY IN GLAUCOMATOUS EYES...ACUTE TRANSIENT MYOPIA...HAS BEEN REPORTED FROM CHLORTHALIDONE... TYPICALLY... APPEARED WITHIN 1 TO 3 DAYS OF STARTING DRUG, & YOUNG PREGNANT WOMEN APPEAR... PARTICULARLY PRONE TO THIS SIDE EFFECT. ... IN 1 PT TRANSIENT RETINAL EDEMA... REPORTED. ... MYOPIA HAS ALWAYS BEEN PROMPTLY & COMPLETELY REVERSIBLE WHEN DRUG...STOPPED.SYMPTOMS OF ACUTE POISONING IN MAN ARE USUALLY PRESUMED TO REFLECT FLUID & ELECTROLYTE DERANGEMENTS....NUMBER OF HYPERSENSITIVITY REACTIONS...REPORTED: PANCREATITIS, DEPRESSION OF FORMED ELEMENTS OF BLOOD, PURPURA, PHOTOSENSITIVE DERMATITIS, NECROTIZING VASCULITIS, HYPERGLYCEMIA, AGGRAVATION OF DIABETES MELLITUS & EXACERBATION OF RENAL &/OR HEPATIC INSUFFICIENCY.60-YR OLD WOMAN TREATED WITH CHLORTHALIDONE FOR MILD HYPERTENSION DEVELOPED SYNDROME OF INAPPROPRIATE SECRETION OF ANTIDIURETIC HORMONE (ADH). SERUM OSMOLALITY WAS 235 MOSM/KG WITH CONCOMITANT URINE OSMOLALITY OF 490 MOSM/KG.
Drug Induced Liver InjuryDrug Induced Liver Injury Rank (DILIrank 2.0)ChlorthalidoneAmbiguous-DILI-concernAdverse reactionsDOI:10.1016/j.drudis.2016.02.015
Antidote and Emergency TreatmentThiazide diuretic overdose should be treated by ... supportive symptomatic treatment and monitoring of serum electrolyte concentrations and renal function. /Thiazide diuretic/
Effects During Pregnancy and Lactation◉ Summary of Use during LactationAlthough amounts of chlorthalidone in milk are not great, its slow clearance may lead to accumulation in the infant, especially while nursing a newborn or preterm infant. It may also suppress lactation. An alternate drug may be preferred.◉ Effects in Breastfed InfantsRelevant published information was not found as of the revision date.◉ Effects on Lactation and BreastmilkChlorthalidone has been used successfully to suppress lactation by giving 200 mg orally right after delivery, followed by 100 mg daily for 3 days in conjunction with fluid restriction and breast binding. However, a comparative study found no difference between chlorthalidone 200 mg daily for 7.6 days and placebo in milk leakage and breast engorgement and pain. The added contribution of the diuretic to fluid restriction and breast binding, which are effective in suppressing lactation, has not been studied. There are no data on the effects of diuretics on established, ongoing lactation.
Wassergefährdungsklasse (WGK)2
Zollcode2935904000
RTECS-Nr.DB1556000
ToxizitätLD50 oral in rabbit: > 5gm/kg
Sicherheitshinweise (S)22-24/25
Lagerklasse11 - Combustible Solids
Gefahrstoffdaten77-36-1(Hazardous Substances Data)
GefahrenklasseEye Irrit. 2Skin Irrit. 2STOT SE 3

Anwendungen & Verwendung

Verwenden

Chlorthalidone is used as a diuretic; antihypertensive.