Zinc iodide
Zinc iodide Basic information
- Product Name:
- Zinc iodide
- Synonyms:
-
- ZINC IODIDE
- Diiodozinc
- Hydriodic acid zinc salt (2:1)
- Zinc iodide (ZnI2)
- Zinc iodine
- zinciodide(zni2)
- ZnI2
- ZINC IODIDE PURE
- CAS:
- 10139-47-6
- MF:
- I2Zn
- MW:
- 319.2
- EINECS:
- 233-396-0
- Product Categories:
-
- Catalysis and Inorganic Chemistry
- Chemical Synthesis
- Crystal Grade Inorganics
- Materials Science
- Metal and Ceramic Science
- Zinc
- Catalysis and Inorganic Chemistry
- Chemical Synthesis
- Crystal Grade Inorganics
- Salts
- Zinc Salts
- ZincMetal and Ceramic Science
- metal halide
- Zinc Salts
- bc0001
- Mol File:
- 10139-47-6.mol
Zinc iodide Chemical Properties
- Melting point:
- 445 °C (lit.)
- Boiling point:
- 624°C
- Density
- 4.74 g/mL at 25 °C (lit.)
- Flash point:
- 625°C
- storage temp.
- Store at +5°C to +30°C.
- solubility
- 4500g/l
- form
- beads
- color
- White to pale yellow
- Specific Gravity
- 4.74
- PH
- 5.6 (50g/l, H2O, 20℃)
- Water Solubility
- 333 g/100 mL
- Sensitive
- Hygroscopic
- Merck
- 14,10140
- Exposure limits
- ACGIH: TWA 0.01 ppm
- CAS DataBase Reference
- 10139-47-6(CAS DataBase Reference)
- NIST Chemistry Reference
- Zinc diiodide(10139-47-6)
- EPA Substance Registry System
- Zinc iodide (ZnI2) (10139-47-6)
Safety Information
- Hazard Codes
- C
- Risk Statements
- 34
- Safety Statements
- 26-36/37/39-45
- RIDADR
- UN 3260 8/PG 3
- WGK Germany
- 3
- F
- 3-8-23
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- II
- HS Code
- 28276000
MSDS
- Language:English Provider:Zinc iodide
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
Zinc iodide Usage And Synthesis
Chemical Properties
Zinc iodide is a Hygroscopic, white, crystalline powder with a sharp saline taste. It gradually turns brown in the air due to the release of iodine. Its melting point is 446°C, boiling point is about 624°C (decomposes), and relative density is 4.736 (25°C). It is easily soluble in water, ethanol, ether, ammonia water, sodium hydroxide, and ammonium carbonate solutions. Its aqueous solution is acidic to litmus, with a pH of about 5.
Uses
Medicine (topical antiseptic), analytical reagent.
Uses
Zinc Iodide is used in the morphological study of dendritic cells in human cervix by zinc iodide osmium method. It is also used in conjunction with osmium tetroxide as a stain in electron microscopy.
Preparation
Zinc iodide is prepared by the interaction of zinc sulfate solution and barium iodide solution, filtering out the barium sulfate precipitate and evaporating the filtrate to make it crystallize or by directly combining zinc and iodine.
Purification Methods
Heat the iodide to 300o under vacuum (2 x 10-2mm) for 1hour, then sublime it. Its solubility in H2O is 0.3mL/g, and it is soluble in EtOH. Store it in the dark.
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