dipotassium tetraiodomercurydiuide

• ChemBase ID: 129084
• Molecular Formular: HgI4K2
• Molecular Mass: 786.40448
• Monoisotopic Mass: 787.51594836
• SMILES: [K+].[K+].I[Hg-2](I)(I)I
• Canonical SMILES: I[Hg-2](I)(I)I.[K+].[K+]
• InChI: InChI=1S/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4
• InChIKey: OPCMAZHMYZRPID-UHFFFAOYSA-J

NAMES AND DATABASE IDS

Names

• IUPAC name: dipotassium tetraiodomercurydiuide
• IUPAC Traditional name: dipotassium tetraiodomercurate(II)
• Synonyms: Mercury(II) potassium iodide; mercuric potassium iodide; ; Nessler's reagent (principal component); Potassium tetraiodomercurate(II); Mercury(II) chloride - potassium iodide solution; Mayer′s reagent; Potassium tetraiodomercurate - Potassium hydroxide solution; Dipotassium tetraiodomercurate(II) in dilute sodium hydroxide; Nessler’s reagent; 碘化钾汞(II); 氯化汞(II) - 碘化钾 溶液; Mayer 试剂; 四碘合汞酸钾 - 氢氧化钾 溶液; 碘化汞钾的稀氢氧化钠溶液; Nessler 试剂

Database IDs

• CAS Number: 7783-33-7
• EC Number: 231-990-4
• MDL Number: MFCD00049656
• Merck Index: 147688
• PubChem SID: 24844932; 24862163; 24861297; 162223383; 24886268
• PubChem CID: 24542
• Wikipedia Title: Potassium_tetraiodomercurate(II)

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 3.0344
• LogD (pH = 7.4): 3.0344
• Log P: 3.0344
• Molar Refractivity: 53.3632 cm^3
• Polarizability: 31.272139 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: false

PROPERTIES

Physical Property

• Solubility: soluble in alcohol, ether, acetone; very soluble in water
• Apperance: Crystalline Aggregates; yellow crystals
• Density: 1.097 g/mL at 25 °C(lit.); 1.16 g/mL at 20 °C; 4.29 g/cm^3; 4.3
• Odor: odorless

Safety Information

• Storage Warning: Hygroscopic
• European Hazard Symbols: Nature polluting (N); Toxic (T); Highly toxic (T+)
• UN Number: 2024; 2922; 3287; UN2025
• German water hazard class: 2; 3
• Hazard Class: 6.1; 8
• Packing Group: 2; 3; II
• Risk Statements: 25-35-48/21/22-50/53-68; 25-48/21/22-50/53-68; 26/27/28-33-35-50/53; 26/27/28-33-50/53
• Safety Statements: 13-28-45-60-61; 26-28-36/37/39-45-61; 26-36/37/39-45-61; 28-36/37-45-61; 36/37-45-61
• TSCA Listed: 是
• GHS Pictograms: GHS05; GHS06; GHS07; GHS08; GHS09
• GHS Signal Word: Danger; Warning
• GHS Hazard statements: H300 +H310 + H330-H314-H373-H410; H300-H310-H330-H373-H400-H410; H301-H310-H330-H373-H410; H301-H314-H341-H373-H410; H302-H315-H319-H341-H373-H410
• GHS Precautionary statements: P260-P264-P273-P280-P284-P301 + P310; P260-P273-P280-P284-P301 + P310-P302 + P350; P260-P301+P310-P304+P340-P320-P330-P361-P405-P501A; P273-P280-P301 + P310-P305 + P351 + P338-P310-P501; P273-P281-P305 + P351 + P338-P501
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 2024 6.1/PG 3; UN 2922 8/PG 2; UN 3287 6.1/PG 3

Product Information

• Grade: p.a.; Reag. Ph. Eur.
• Impurities: mercuric chloride; potassium hydroxide; potassium iodide; potassium tetraiodomercurate; potassium tetraiodomercurate(II)
• Quality: for qualitative det. of ammonia and ammonium compounds
• Empirical Formula (Hill Notation): K2HgI4

DETAILS

Sigma Aldrich - 345148

Application
用于铵的分析。静置后取上层清液
包装
50, 250 mL in glass bottle

Sigma Aldrich - 72190

Caution
may form little sediment upon storage
Other Notes
Reagent for the determination of ammonia1

Sigma Aldrich - 00665

Application
suitable for determination of alkaloids

Sigma Aldrich - 21-0930

Suitability
for determination of ammonium salts