nessler's reagent
Names
[ CAS No. ]:
7783-33-7
[ Name ]:
nessler's reagent
[Synonym ]:
Potassium iodomercurate
Potassium mercuric iodide
Potassium tetraiodomercurate(II)
Nessler reagent
EINECS 231-990-4
Mayer's reagent
Mercury potassium iodide
Nessler's reagent
dipotassium,tetraiodomercury(2-)
MERCURIC POTASSIUM IODIDE
Potassium tetraiodomercurate
Channing's solution
MFCD00049656
Chemical & Physical Properties
[ Density]:
1.16 g/mL at 20 °C
[ Melting Point ]:
120-127 °C(lit.)
[ Molecular Formula ]:
HgI4K2
[ Molecular Weight ]:
786.40400
[ Flash Point ]:
>230 °F
[ Exact Mass ]:
787.51600
[ LogP ]:
3.54030
[ Stability ]:
Stable, but light sensitive. Incompatible with strong oxidizing agents.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- OU9670000
- CHEMICAL NAME :
- Mercurate (2-), tetraiodo-, dipotassium
- CAS REGISTRY NUMBER :
- 7783-33-7
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 24
- MOLECULAR FORMULA :
- Hg-I4.2K
- MOLECULAR WEIGHT :
- 786.39
- WISWESSER LINE NOTATION :
- KA2 HG-I4
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 11,201,1965
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 1 gm/kg
- REFERENCE :
- AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 11,201,1965 *** REVIEWS *** ACGIH TLV-TWA 0.01 mg(Hg)/m3; STEL 0.03 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.05 mg(Hg)/m3 DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,22,1973 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.05 mg(Hg)/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.05 mg(Hg)/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-FINLAND:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-FRANCE:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-GERMANY:TWA 0.01 ppm (0.1 mg(Hg)/m3) JAN 1993 OEL-HUNGARY:TWA 0.02 mg(Hg)/m3;STEL 0.04 mg(Hg)/m3 JAN 1993 OEL-JAPAN:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-POLAND:TWA 0.01 mg(Hg)/m3 JAN 1993 OEL-RUSSIA:TWA 0.05 mg(Hg)/m3;STEL 0.01 mg(Hg)/m3 JAN 1993 OEL-SWEDEN:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-THAILAND:STEL 0.05 mg(Hg)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO MERCURY, ARYL AND INORGANIC-air:CL 0.1 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1087 No. of Facilities: 108 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 859 (estimated)
Safety Information
[ Symbol ]:
GHS05, GHS06, GHS08, GHS09
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H290-H300 + H310-H314-H331-H373-H410
[ Precautionary Statements ]:
P261-P273-P280-P301 + P310 + P330-P303 + P361 + P353-P305 + P351 + P338
[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
T+:Verytoxic;C:Corrosive;
[ Risk Phrases ]:
R26/27/28;R33;R35
[ Safety Phrases ]:
45-36/37-61-36/37/39-28-26-60-13
[ RIDADR ]:
UN 3287 6.1/PG 3
[ WGK Germany ]:
3
[ RTECS ]:
OU9670000
[ Packaging Group ]:
II
[ Hazard Class ]:
6.1
Articles
Acta Crystallogr. D Biol. Crystallogr. 55(Pt 5) , 1048-51, (1999)
Intact histone octamers, produced by a new method quickly and in bulk, were crystallized in KCl/phosphate, and the X-ray data were analysed to 2.15 A, confirming a P65 space group. This environment pr...
Indirect atomic absorption determination of atropine, diphenhydramine, tolazoline, and levamisole based on formation of ion-associates with potassium tetraiodometrcurate.J. Pharm. Biomed. Anal. 25(1) , 3-7, (2001)
Ion-associate complexes of atropine sulphate (I), diphenhydramine HCl (II), tolazoline HCl (III) and levamisole HCl (IV) with potassium tetraiodomercurate were precipitated and their solubilities were...
A simple diffuse reflectance Fourier transform infrared spectroscopic determination of sulfur dioxide in ambient air using potassium tetrachloromercurate as the absorbing reagent.J. AOAC Int. 90(4) , 1180-90, (2007)
This paper presents development of a simple, rapid, and precise analytical method for determination of sulfur dioxide in ambient air by a gas to solid-phase conversion method. Sulfur dioxide is determ...