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MERCURIC OXIDE, RED

CAS No.21908-53-2
Chemical Name:MERCURIC OXIDE, RED
Synonyms:HgO;santar;ci77760;santarm;Kankerex;c.i.77760;Montroydite;Mercury oxide;caswellno.544a;oxydedemercure
CBNumber:CB6384854
Molecular Formula:HgO
Formula Weight:216.59
MOL File:21908-53-2.mol
MERCURIC OXIDE, RED Property
mp : 500 °C (dec.)(lit.)
density : 11,14 g/cm3
storage temp. : Poison room
Merck : 14,5882
Stability:: Stable. Sensitive to light. Incompatible with strong oxidizing agents, strong reducing agents, combustible materials, organic materials, phenols.
CAS DataBase Reference: 21908-53-2(CAS DataBase Reference)
NIST Chemistry Reference: Mercury(ii) oxide(21908-53-2)
EPA Substance Registry System: Mercury oxide (HgO)(21908-53-2)
Safety
Hazard Codes : T+,N
Risk Statements : 26/27/28-33-50/53
Safety Statements : 13-28-45-60-61-28A
RIDADR : UN 1641 6.1/PG 2
WGK Germany : 3
RTECS : OW8750000
F : 8
HazardClass : 6.1
PackingGroup : II
Hazardous Substances Data: 21908-53-2(Hazardous Substances Data)

MERCURIC OXIDE, RED Chemical Properties,Usage,Production

Chemical Properties
bright red, orange or yellow powder
Usage
Mercury(II)Oxide is used in the synthesis of a mercury based superconductor.
General Description
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 monoxide; antiseptic in pharmaceuticals; component of dry cell batteries; pigment and glass modifier; fungicide; preservative in cosmetics; analytical reagent; formerly used in antifouling paints.
Reactivity Profile
MERCURIC OXIDE is light sensitive. When hydrazine hydrate is dropped on mercuric oxide, an explosion occurs [Mellor 8:318. 1946-47]. Hypophosphorous acid reduces mercuric oxide explosively to the metal [Mellor 4:778. 1946-47]. When heated to decomposition (932 F) MERCURIC OXIDE, RED decomposes into mercury and oxygen. Fumes from fire may contain poisonous mercury vapor; oxygen may increase intensity of fire. Explosion of mercuric oxide may occur with friction or application of heat. Avoid reducing agents. Avoid light; may decompose into mercury and oxygen.
Health Hazard
MERCURIC OXIDE, RED is highly toxic by ingestion, inhalation, or skin absorption. Very short exposure to small quantities may cause death or permanent injury. Following ingestion, mercuric oxide is readily converted to mercuric chloride, the most dangerous mercury compound. Mercuric oxide dust has a corrosive effect on eyes, skin, and respiratory tract. People with a history of allergies or known sensitization to mercury, chronic respiratory disease, nervous system disorders, or kidney disorders are at increased risk from exposure.
Fire Hazard
When heated to decomposition (932F) MERCURIC OXIDE, RED decomposes into mercury and oxygen. Fumes from fire may contain poisonous mercury vapor; oxygen may increase intensity of fire. Explosion of mercuric oxide may occur with friction or application of heat. Avoid reducing agents. Avoid light; may decompose into mercury and oxygen. Hazardous polymerization may not occur.
MERCURIC OXIDE, RED Preparation Products And Raw materials
Raw materials
Mercury chloride Sodium hydroxide
Preparation Products
DIPHENYLKETENE Rimantadine hydrochloride Bis(pyridine)iodonium tetrafluoroborate Aluminium nitrate nonahydrate 2-Iodothiophene Diphenyldiazomethane 2-Diazopropane MERCURIC ACETATE PHENYLMERCURIC ACETATE MERCURY(II) SULFATE
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21908-53-2(MERCURIC OXIDE, RED)Related Search:
Mercury(II) oxide, black MERCURY(II) OXIDE RED ACS REAGENT MERCURIC OXIDE, RED MERCURIC OXYCYANIDE MERCURY
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