Quecksilbermonoxid

MERCURY(II) OXIDE · HgO · Mercury oxide · oxomercury · MercuricOxideYellowGr · santar · ci77760 · santarm

https://huagongshe.com/de/chemical/30856

Identifikatoren & physikalische Daten

CAS No.	21908-53-2
Summenformel	HgO
Durchschnittliche Molmasse	216,59 g/mol
Monoisotopische Masse	217,965558 g/mol
SMILES	[O]=[Hg]
InChIKey	UKWHYYKOEPRTIC-UHFFFAOYSA-N
PubChem CID	30856
EC No.	244-654-7
DTXSID	DTXSID4042125
Lokaler Name	Quecksilbermonoxid

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)	17,1
H-Brücken-Donoren	0
H-Brücken-Akzeptoren	1
Frei drehbare Bindungen	0
Schwere Atome	2
Formalladung	0
Komplexität	2
Geruch	Odorless
Dichte	11.1 at 39 °F (EPA, 1998) - Denser than waterwill sink11.00-11.29 (Red)11.03 @ 27.5 °C (Yellow)11.1 g/cm³11.14 @25 °C11,14 g/cm3
Color/Form	Yellow mercuric oxide: yellow or orange-yellow, heavy, powder, orthorhombic structureHeavy, bright orange powderRed mercuric oxide: bright red or orange-red, heavy, crystalline powder or scalesorthorhombic structureyellow when finely powdered
Löslichkeit	0.0053 G/100 CC WATER @ 25 °C0.0395 G/100 CC WATER @ 100 °CINSOL IN ALCOHOL, ETHER, ACETONE, ALKALI, AMMONIARed mercuric oxide: sol in dilute hydrochloric or nitric acidsol in soln of alkali cyanides or iodidesslowly sol in soln of alkali bromidesFor more Solubility (Complete) data for MERCURIC OXIDE (6 total), please visit the HSDB record page.Solubility in water, mg/l at 20 °C: 50 (very poor)Aqueous Acid (Slightly), Methanol (Very Slightly)Partially soluble in water. insoluble in alcohol, ether, acetone and ammonia.
Decomposition	WHEN HEATED TO DECOMPOSITION IT EMITS HIGHLY TOXIC FUMES OF MERCURY500 °C
Schmelzpunkt	Decomposes at 932 °F (EPA, 1998)500 °C (decomp)500 °C (dec.)(lit.)
Brechungsindex	INDEX OF REFRACTION: 2.37, 2.5, 2.65
Physical Description	Mercuric oxide, [solid] appears as red or orange-red odorless, dense crystalline powder or scales, yellow when finely powdered. Used as a chemical intermediate for mercury salts, organic mercury compounds, and chlorine monoxideantiseptic in pharmaceuticalscomponent of dry cell batteriespigment and glass modifierfungicidepreservative in cosmeticsanalytical reagentformerly used in antifouling paints. (EPA, 1998)Yellow, orange-yellow, or red crystalsInsoluble in water[ICSC] Powder[Sigma-Aldrich MSDS]YELLOW, ORANGE-YELLOW OR RED HEAVY CRYSTALLINE POWDER.
Stability/Shelf Life	DECOMPOSES ON EXPOSURE TO AIRRED MERCURIC OXIDE: DECOMP ON EXPOSURE TO LIGHT INTO MERCURY & OXYGEN
Other Experimental Properties	Yellow mercuric oxide: becomes red on heating and yellow again on coolingmore finely divided and more reactive than red mercuric oxideRed mercuric oxide: @ 400 °C becomes almost black, but red again on coolingPhysical state at 15 °C and 1 atm: solidSoluble ionized mercuric salts give a yellow precipitate of HgO with NaOH and a red precipitate of HgI2 with alkali iodide. /Soluble mercuric salts/
Dampfdruck	0.12 Pa ( 20 °C)
Lagerbedingungen	Poison room
Aggregatzustand	Powder
Wichte	11.14
Farbe	Yellow to orange
Geruch	Odorless
pH	6-7 (20°C, 50g/L in H2O, slurry)
Spezifische Wärmekapazität	Cp(crystal): 0.2 J/(g·K), at 25℃
Merck	14,5882
Henry-Konstante	3.2×104 mol/(m3Pa) at 25℃, Shon et al. (2005)
Stabilität	Stable. Sensitive to light. Incompatible with strong oxidizing agents, strong reducing agents, combustible materials, organic materials, phenols.
Kosmetik-Inhaltsstoffe Funktionen	ANTIMICROBIAL
InChI	1S/Hg.O
InChIKey	UKWHYYKOEPRTIC-UHFFFAOYSA-N
SMILES	O=[Hg]
CAS Datenbank	21908-53-2(CAS DataBase Reference)
NIST chemische Informationen	Mercury(ii) oxide(21908-53-2)
EPA chemische Informationen	Mercuric oxide (21908-53-2)

Sicherheit & Vorschriften

GHS-Einstufung	DangerH300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]H310 (98.7%): Fatal in contact with skin [Danger Acute toxicity, dermal]H330 (100%): Fatal if inhaled [Danger Acute toxicity, inhalation]H373 (100%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]H400 (98.7%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]P260, P262, P264, P270, P271, P273, P280, P284, P301+P316, P302+P352, P304+P340, P316, P319, P320, P321, P330, P361+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 78 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.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: Mercury oxide (HgO)12C - indicates a substance that is prohibited to be exported from the Unites States under TSCA section 12(c).Mercury (II) oxide: HSNO Approval: HSR004550 Approved with controlsThe New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
Weitere Sicherheitsinformationen	IMAP assessments - Mercury oxide (HgO): Environment tier I assessmentIMAP assessments - Mercury oxide (HgO): Human health tier I assessment
DOT-Kennzeichnung	Poison
Brandgefahren	When heated to decomposition (932F) it decomposes into mercury and oxygen. Fumes from fire may contain poisonous mercury vaporoxygen may increase intensity of fire. Explosion of mercuric oxide may occur with friction or application of heat. Avoid reducing agents. Avoid light

Anwendungen & Verwendung

Verwenden

Mercury oxide (HgO) exists in two forms, red and yellow mercuric oxides, and is related to mercurous oxide (Hg2O), which is black. All have industrial uses, ranging from antiseptics to pigments.