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Zinkhydroxid
znmc hydroxide · ZINC HYDROXIDE · Zinc dihydoxide · zincdihydroxide · zinchydroxide(zn(oh)2) · Zinc oxide ammonia complex · Zinc hydroxide≥ 99% (Assay) · ZINC HYDROXIDE ISO 9001:2015 REACH

Identifikatoren & physikalische Daten
| CAS No. | 20427-58-1 |
|---|---|
| Summenformel | H2O2Zn |
| Durchschnittliche Molmasse | 99,4 g/mol |
| Monoisotopische Masse | 97,934621 g/mol |
| SMILES | [OH-].[OH-].[Zn+2] |
| InChIKey | UGZADUVQMDAIAO-UHFFFAOYSA-L |
| PubChem CID | 9812759 |
| EC No. | 243-814-3 |
| Lokaler Name | Zinkhydroxid |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 2 |
|---|---|
| H-Brücken-Donoren | 2 |
| H-Brücken-Akzeptoren | 2 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 3 |
| Formalladung | 0 |
| Komplexität | 0 |
| Physical Description | LiquidWet SolidColorless solid[Hawley] White odorless powder[MSDSonline] |
| Schmelzpunkt | 125, decomposes [HAW93] |
| Dichte | 3.050 |
| Dampfdruck | 0Pa at 20℃ |
| Lagerbedingungen | Store at room temperature, keep dry and cool |
| Aggregatzustand | colorless orthorhombic crystals |
| Farbe | colorless orthorhombic crystals, crystalline |
| pH | 8.88(1 mM solution)8.88(10 mM solution)8.88(100 mM solution) |
| Löslichkeit | slightly soluble H2O [HAW93] |
| Stabilität | Stable. |
| Kosmetik-Inhaltsstoffe Funktionen | ABSORBENT |
| InChI | InChI=1S/2H2O.Zn/h2*1H2/q+2/p-2 |
| InChIKey | UGZADUVQMDAIAO-UHFFFAOYSA-L |
| SMILES | [Zn](O)O |
| LogP (Verteilungskoeffizient) | -1.380 (est) |
| CAS Datenbank | 20427-58-1(CAS DataBase Reference) |
| EPA chemische Informationen | Zinc hydroxide (20427-58-1) |
Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 3.2% (11 of 348) of reports.WarningH315 (18.1%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (19.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H400 (78.4%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]H410 (28.7%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]H411 (50%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P391, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 348 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Reported as not meeting GHS hazard criteria per 11 of 348 reports by companies.There are 10 notifications provided by 337 of 348 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 Informationen | Chemical: Zinc hydroxide (Zn(OH)2)Zinc hydroxide (Zn(OH)2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Zinc hydroxide (Zn(OH)2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 15-03-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/10329Zinc hydroxide: Does not have an individual approval but may be used under an appropriate group standard |
| Gefahrenübersicht | An irritant[MSDSonline] See Zinc. |
| Hazard Classes and Categories | Skin Irrit. 2 (18.1%)Eye Irrit. 2 (19.3%) |
Anwendungen & Verwendung
Verwenden
Intermediate, absorbent in surgical dressings, rubber compounding.
Herstellung & Synthese
synthetische
The compound is prepared by adding a strong alkali to a solution of zinc sulfate or chloride: ZnSO4 + 2NaOH → Zn(OH)2 + Na2SO4.