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Merck
CN

345148

Nessler′s reagent

Synonym(s):

Dipotassium tetraiodomercurate(II) in dilute sodium hydroxide

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About This Item

Empirical Formula (Hill Notation):
K2HgI4
CAS Number:
7783-33-7
Molecular Weight:
786.40
UNSPSC Code:
41113319
PubChem Substance ID:
24861297
MDL number:
MFCD00049656

Key Documents

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technique(s)

UV/Vis spectroscopy: suitable

density

1.097 g/mL at 25 °C (lit.)

application(s)

environmental

SMILES string

[K+].[K+].I[Hg--](I)(I)I

InChI

1S/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4

InChI key

OPCMAZHMYZRPID-UHFFFAOYSA-J

Application

For ammonium analysis. Allow to settle and use the clear supernatant liquid

Disclaimer

For U.S. Customers: Contains mercury; Do not place in trash - dispose according to local, state, or federal laws.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Muta. 2 - Skin Corr. 1A - STOT RE 2 - STOT RE 2 Oral

target_organs

Thyroid

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
08616DJ
08516DJ
07126LH
11426LH
01931EH

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S J Lambert et al.
Acta crystallographica. Section D, Biological crystallography, 55(Pt 5), 1048-1051 (1999-04-27)
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 preserves the high-resolution structure of the octamers and
Oleg A Varzatskii et al.
Dalton transactions (Cambridge, England : 2003), 43(48), 17934-17948 (2014-07-25)
Iron(II) dibromo- and diiodoclathrochelates undergo copper(I)-promoted reductive homocoupling in HMPA at 70-80 °C leading to C-C conjugated dibromo- and diiodo-bis-clathrochelates in high yields. Under the same conditions, their dichloroclathrochelate analog does not undergo the same homocoupling reaction, so the target
Mehrnoosh Shirangi et al.
Pharmaceutical research, 32(9), 3044-3054 (2015-04-03)
Polyesters with hydrophilic domains, i.e., poly(D,L-lactic-co-glycolic-co-hydroxymethyl glycolic acid) (PLGHMGA) and a multiblock copolymer of poly(ε-caprolactone)-PEG-poly(ε-caprolactone) and poly(L-lactide) ((PC-PEG-PC)-(PL)) are expected to cause less acylation of encapsulated peptides than fully hydrophobic matrices. Our purpose is to assess the extent and sites
L Mousnier et al.
International journal of pharmaceutics, 471(1-2), 10-17 (2014-05-20)
Ultrasound contrast agents (UCAs) composed of a liquid perfluorocarbon (PFC) core surrounded by a polymer shell have shown promising echogenicity as well as stability. In a strategy to optimize the ultrasound properties of these systems, encapsulating a liquid PFC with
Jeffrey W Cary et al.
Fungal genetics and biology : FG & B, 81, 88-97 (2015-06-09)
The genome of the filamentous fungus, Aspergillus flavus, has been shown to harbor as many as 56 putative secondary metabolic gene clusters including the one responsible for production of the toxic and carcinogenic, polyketide synthase (PKS)-derived aflatoxins. Except for the
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