ChemicalBook CAS DataBase List 7783-34-8

7783-34-8

Name	MERCURIC NITRATE, MONOHYDRATE
CAS	7783-34-8
EINECS(EC#)	233-152-3
Molecular Formula	H2HgN2O7
MDL Number	MFCD00149736
Molecular Weight	342.62
MOL File	7783-34-8.mol

Synonyms

MERCURIC NITRATE MERCURIC NITRATE HYDRATE MERCURIC NITRATE, MONOHYDRATE MERCURIC NITRATE N-HYDRATE MERCURY(+2)NITRATE N-HYDRATE MERCURY(II) NITRATE MERCURY(II) NITRATE 1-HYDRATE MERCURY(II) NITRATE HYDRATE MERCURY (II) NITRATE, HYDROUS MERCURY(II) NITRATE MONOHYDRATE MERCURY(II) NITRATE N-HYDRATE MERCURY(II) NITRATE MONOHYDRATE, 98+%, A .C.S. REAGENT MERCURY(II) NITRATE MONOHYDRATE, REAGENT PLUS, 99.99+% MERCURY(II) NITRATE MONOHYDRATE 98+% & MERCURY(II) NITRATE, VOLUMETRIC STANDARD , 0.01N SOLUTION IN WATER MERCURY(II) NITRATE, VOLUMETRIC STANDARD, 0.14N SOLUTION IN WATER MERCURY(II) NITRATE MONOHYDRATE GR ACS 99+% MERCURY(II) NITRATE DIHYRATE 97+% FOR ANALYTICAL PURPOSE MercuricNitrate(Hydrate)Gr MercuricNitrateExtraPure

Chemical Properties

Appearance	Mercuric nitrate is a white to yellowish crystalline solid with an odor like nitric acid. Normally exists as the hemihydrate or the dihydrate
Melting point	79 °C(lit.)
bulk density	1200kg/m3
density	1.025 g/mL at 25 °C
vapor density	11 (vs air)
Fp	Not applicable
storage temp.	Store at RT.
solubility	soluble in H2O, dilute acid solutions
form	Liquid
color	White to off-white
Specific Gravity	4.39
Odor	Slight nitric acid odor
PH	1 (20°C in H2O)
Water Solubility	Soluble in water.
Sensitive	Hygroscopic
Merck	14,5880
Exposure limits	ACGIH: TWA 0.025 mg/m3 (Skin) NIOSH: IDLH 10 mg/m3; TWA 0.05 mg/m3; Ceiling 0.1 mg/m3
InChI	1S/Hg.2NO3.H2O/c;22-1(3)4;/h;;;1H2/q+2;2-1;
InChIKey	KVICROHOONHSRH-UHFFFAOYSA-N
SMILES	O.[Hg++].[O-][N+]([O-])=O.[O-][N+]([O-])=O
CAS DataBase Reference	7783-34-8(CAS DataBase Reference)

Safety Data

Symbol(GHS)	GHS06,GHS08,GHS09
Signal word	Danger
Hazard statements	H300+H310+H330-H373-H410
Precautionary statements	P262-P273-P280-P301+P310+P330-P302+P352+P310-P304+P340+P310
Hazard Codes	T+,N,T,O,Xn
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 . R34:Causes burns. R23/24/25:Toxic by inhalation, in contact with skin and if swallowed . R8:Contact with combustible material may cause fire. R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . less more
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 . S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S17:Keep away from combustible material . S36/37:Wear suitable protective clothing and gloves . less more
RIDADR	UN 1625 6.1/PG 2
WGK Germany	3
RTECS	OW8225000
F	3-8
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	28521000
Storage Class	6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
Hazard Classifications	Acute Tox. 1 Dermal Acute Tox. 2 Inhalation Acute Tox. 2 Oral Aquatic Acute 1 Aquatic Chronic 1 STOT RE 2

Hazard Information

Potential Exposure

Mercuric nitrate is used in making other chemicals; in felt manufacture and in making mercury fulminate

First aid

Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificia respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. Antidotes and Special Procedures for authorized medical personnel: The drug NAP has been used to treat mercury poisoning, with mixed success.

Shipping

UN1625 Mercuric nitrate, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Incompatibilities

A strong oxidizer. Reacts violently with combustibles, petroleum hydrocarbons; reducing agents; aldehydes, ammonia, ketones, phosphorus. Reacts with acetylene, alcohol, phosphine, and sulfur to form shocksensitive compounds. Aqueous solution attacks most metals. Vigorous and dangerous reaction with petroleum hydrocarbons. Incompatible with organic materials; acetylene, ethanol, phosphine, sulfur, hypophosphoric acid. Inorganic mercury compounds are incompatible with acetylene, ammonia, chlorine dioxide; azides, calcium (amalgam formation), sodium carbide; lithium, rubidium, copper. Decomposes in heat or on exposure to light, producing toxic fumes (mercury, nitrogen oxides)

reaction suitability

reagent type: catalyst
core: mercury

Purification Methods

Its solubility in H2O containing 1% HNO3 is 7.7%. Recrystallise it from a warm saturated solution of dilute HNO3 and cool to room temperature slowly to give elongated prisms. Rapid cooling gives plates. The colourless crystals should be stored in the dark. POISONOUS. [Grdenic J Chem Soc 1312 1956.]

Questions And Answer

Chemical Properties
The monohydrate is a white crystalline or powdery substance; density 4.3g/cm3; decomposes on heating; soluble in water and nitric acid; insoluble in alcohol.
It is stable and hygroscopic. Mercuric nitrate is incompatible with mercuric nitrate in contact with organic materials, powdered metals, petroleum hydrocarbons, hypophosphoric acid, unsaturates, and aromatics, which react violently. ;
Uses
Mercury(II) nitrate is used in the preparation of other mercury compounds; in organic synthesis; and as an analytical standard for mercury. ;
Preparation
Mercury(II) nitrate is prepared by dissolving mercury in excess hot concentrated nitric acid. Upon evaporation of the solution, large colorless deliquescent crystals of monohydrate, Hg(NO3)2•H2O, form.
It also is obtained by boiling a solution of mercury(I) nitrate or by the action of light on mercury(I) nitrate:
Hg2(NO3)2 → Hg + 2HgNO3 ;
Reactions
Gentle heating of mercury(II) nitrate gives mercury(II) oxide evolving nitrogen and oxygen:
Hg(NO3)2 → HgO + 2NO2 + ½ O2
However, on strong heating, mercury nitrate decomposes to mercury metal:
Hg(NO3)2 → Hg + 2NO2 + O2
When excess alkali hydroxide is added to a solution of mercury(II) nitrate, a yellow precipitate of HgO is obtained.
Addition of potassium thiocyanate solution forms a white precipitate of mercury(II) thiocyanate:
Hg2+ + 2SCN¯ → Hg(SCN)2
Addition of a small amount of alkali iodide to mercury(II) nitrate solution precipitates mercury(II) iodide:
Hg2+ + 2I¯ → HgI2
Similarly, mercury(II) cyanide precipitates upon the addition of potassium cyanide to mercury(II) nitrate solution:
Hg2+ + 2CN¯ → Hg(CN)2 ;
Toxicity
Mercury(II) nitrate is highly toxic by ingestion and possibly other routes of exposure. The LD50 oral for the dihydrate in mouse is 25 mg/kg. ;

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7783-34-8

Chemical Properties

Safety Data

Hazard Information

Potential Exposure

First aid

Shipping

Incompatibilities

reaction suitability

Purification Methods

Questions And Answer

Chemical Properties

Uses

Preparation

Reactions

Toxicity

Well-known Reagent Company Product Information

Supplier

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