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21-0930

Sigma-Aldrich

Nessler′s reagent

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Synonym(s):
Dipotassium tetraiodomercurate(II) in dilute sodium hydroxide
Empirical Formula (Hill Notation):
K2HgI4
CAS Number:
7783-33-7
Molecular Weight:
786.40
MDL number:
MFCD00049656
UNSPSC Code:
12352300
PubChem Substance ID:
329752075

form

liquid

reaction suitability

reagent type: catalyst
core: mercury

availability

available only in Japan

density

1.097 g/mL at 25 °C (lit.)

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

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Suitability

for determination of ammonium salts

Signal Word

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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