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7783-35-9

7783-35-9 Structure

7783-35-9 Structure
IdentificationMore
[Name]

MERCURY(II) SULFATE
[CAS]

7783-35-9
[Synonyms]

DENIGES' REAGENT
MERCURIC SULFATE
MERCURIC SULFATE TS
MERCURIC SULPHATE
MERCURY(+2)SULFATE
Mercury(Ⅱ)sulfate(1:1)
MERCURY BISULFATE
MERCURY(II) SULFATE
MERCURY(II) SULFATE SOLUTION I
MERCURY(II) SULFATE SOLUTION III
MERCURY(II) SULPHATE
mercury(ii)sulfate(1:1)
mercurypersulfate
mercurysulfate(hgso4)
sulfatemercurique
sulfatemercurique(french)[qr]
Sulfuricacid,mercury(2+)salt(1:1)
sulfuricacid,mercury(2++)salt(1:1)
Mercury sulfate
MERCURY(II) SULFATE 98+% A.C.S. REAGE&
[EINECS(EC#)]

231-992-5
[Molecular Formula]

HgO4S
[MDL Number]

MFCD00011047
[Molecular Weight]

296.65
[MOL File]

7783-35-9.mol
Chemical PropertiesBack Directory
[Appearance]

white crystals or powder
[mp ]

°Cd ec.)
[density ]

6.47
[storage temp. ]

Store at RT.
[Stability:]

Unstable. Incompatible with strong acids. Light and heat sensitive.
[Sensitive ]

Hygroscopic
[Merck ]

14,5887
[CAS DataBase Reference]

7783-35-9(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

T+,N,T
[Risk Statements ]

R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R42/43:May cause sensitization by inhalation and skin contact .
R36/38:Irritating to eyes and skin .
R61:May cause harm to the unborn child.
R60:May impair fertility.
R45:May cause cancer.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R35:Causes severe burns.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
[Safety Statements ]

S13:Keep away from food, drink and animal feeding stuffs .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37:Wear suitable protective clothing and gloves .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S53:Avoid exposure-obtain special instruction before use .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S30:Never add water to this product .
[RIDADR ]

UN 1645 6.1/PG 2
[WGK Germany ]

3
[RTECS ]

OX0500000
[HazardClass ]

6.1
[PackingGroup ]

II
[HS Code ]

28521000
Raw materials And Preparation ProductsBack Directory
[Raw materials]

SULFURIC ACID-->MERCURIC OXIDE, RED
[Preparation Products]

Disperse Blue 56-->1,2,4-Butanetriol-->3-Hydroxypyridine-->1,5-DIHYDROXYANTHRAQUINONE-->1 5-ANTHRAQUINONEDISULFONIC ACID-->3-Pyridinesulfonic acid-->PYRIDINE-3-SULFONYL CHLORIDE-->9,10-dioxoanthracene-1,8-disulphonic acid
Hazard InformationBack Directory
[General Description]

Odorless white granules or crystalline powder. Denser than water. MERCURIC SULFATE(7783-35-9) is toxic by inhalation and by ingestion. MERCURIC SULFATE(7783-35-9) is used in medicine, for gold and silver extraction, and to make other mercury compounds.
[Reactivity Profile]

The absorption of gaseous hydrogen chloride on MERCURIC SULFATE becomes violent at 125° C [Mellor 2, Supp. 1:462. 1956].
[Air & Water Reactions]

Decomposed by water to yellow mercuric subsulfate and sulfuric acid, which is corrosive.
[Health Hazard]

INHALATION: Acute poisoning: Tightness in chest, breathing difficulty, coughing, and pain. EYES: Ulceration of conjunctiva and cornea. SKIN: Irritation; may cause sensitization dermatitis. INGESTION: Necrosis, pain, vomiting, severe purging. Patient may die within a few hours from peripheral vascular collapse.
[Fire Hazard]

Special Hazards of Combustion Products: None
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

mercury(Ⅱ)sulfate(1:1)(7783-35-9).msds
Questions And AnswerBack Directory
[Physical Properties]

White monoclinic crystal; hygroscopic; density 6.47 g/cm3; decomposes in water; soluble in hot dilute sulfuric acid, hydrochloric acid and concentrated solution of sodium chloride.
[Uses]

Mercury(II) sulfate is an electrolyte for primary batteries. Other applications are in extraction of gold and silver from roasted pyrites; as a catalyst in organic reactions such as conversion of acetylene to acetaldehyde; and as a reagent for wine coloring.
[Preparation]

Mercury(II) sulfate is prepared by heating mercury with an excess of concentrated sulfuric acid; or by dissolving mercury(II) oxide in concentrated sulfuric acid. The solution is evaporated repeatedly to yield anhydrous salt as white leaftlets. However, in the presence of a small amount of water, the monohydrate of the salt, HgSO4•H2O crystallizes as a colorless rhombic prism. Hydrolysis occurs in the presence of a large amount of water, forming a yellow basic sulfate, HgSO4•2HgO.
The compound also is prepared by treating alkali sulfate, such as sodium or potassium sulfate with a solution of mercury(II) nitrate.
[Reactions]

Mercury(II) sulfate on heating first turns yellow and then becomes redbrown. When heated to red heat, it decomposes to mercury, sulfur dioxide, and oxygen.
HgSO4 → Hg + SO4 + O2
Mercury(II) sulfate hydrolyzes in water forming a basic sulfate HgSO4•2HgO. It forms double sulfates with alkali metal sulfates, such as K2SO4•3HgSO4•2H2O.
Spectrum DetailBack Directory
[Spectrum Detail]

MERCURY(II) SULFATE(7783-35-9)IR1
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Mercury(II) sulfate, 99+%(7783-35-9)
[Alfa Aesar]

Mercury(II) sulfate, ACS, 98.0% min(7783-35-9)
[Sigma Aldrich]

7783-35-9(sigmaaldrich)
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