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12027-06-4

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Identification

Name
Ammonium iodide
CAS
12027-06-4
Synonyms
AMMONIUM IODIDE
(NH4)I
Ammonium iodide ((NH4)I)
ammoniumiodide((nh4)i)
AMMONIUM IODIDE 99+% A.C.S REAGENT
AMMONIUM IODIDE ACS REAGENT
AMMONIUM IODIDE, 99.999%
AMMONIUM IODIDE, ACS
AMMONIUM IODIDE ACS MIN 99.5%
AMMONIUM IODIDE EXTRA PURE
AmmoniumIodideGr
AmmoniumIodidePure
Ammonium iodide, for analysis, 99+%
AMMONIUM IODIDE REAGENT (ACS)
Ammoniumiodide(99.999%)PURATREM
Ammouiumiodide
Ammonium iodide, 99.999% (metals basis)
Ammonium iodide, 98+%
Ammonium iodide, ACS, 99.0% min
AMMONIUM IODIDE: REAGENT GRADE
EINECS(EC#)
234-717-7
Molecular Formula
H4IN
MDL Number
MFCD00011424
Molecular Weight
144.94
MOL File
12027-06-4.mol

Chemical Properties

Appearance
white to light yellow crystalline powder
mp 
551 °C
Melting point 
551 °C (lit.)
Boiling point 
405°C (estimate)
density 
2.51
vapor pressure 
1 mm Hg ( 210.9 °C)

refractive index 
1.7031
storage temp. 
Store at RT.
solubility 
ethanol: slightly soluble(lit.)
form 
Granular
pka
0.31±0.70(Predicted)
Specific Gravity
2.514
color 
White to pale yellow
PH Range
4.5 - 6.5
PH
4.5-6.5 (20℃, 5%)
Odor
Odorless
Water Solubility 
Soluble in water, ethanol, methanol, acetone, ammonia and glycerol. Slightly soluble in ether.
Sensitive 
Light Sensitive & Hygroscopic
Merck 
14,529
Uses
White crystals made by the action of ammonium hydroxide on hydroiodic acid followed by crystallization. Soluble in water and alcohol, ammonium iodide was used as a halide in collodion formulas, particularly in situations where it was needed for use immediately. Ammonium iodide decomposes quickly when mixed with plain collodion, releasing iodine.
CAS DataBase Reference
12027-06-4(CAS DataBase Reference)
NIST Chemistry Reference
Ammonium iodide(12027-06-4)
EPA Substance Registry System
12027-06-4(EPA Substance)

Safety Data

Hazard Codes 
Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany 
3


3-8-10-23
TSCA 
Yes
HS Code 
28276000
Hazardous Substances Data
12027-06-4(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
Odorless white solid. Sinks and mixes with water.
Reactivity Profile
AMMONIUM IODIDE(12027-06-4) is light sensitive, becomes yellow or brown on exposure to air and light because of liberation of Iodine [Merck 11th ed. 1989]. Bromine trifluoride reacts explosively with the following ammonium bromide, ammonium chloride, AMMONIUM IODIDE(12027-06-4) [Mellor 2 Supp. 1:165 1956].
Air & Water Reactions
Water soluble.
Health Hazard
Inhalation causes irritation of nose and throat. Contact with eyes causes irritation.
Chemical Properties
white to light yellow crystalline powder
Definition
ChEBI: The iodide salt of ammonia.
Purification Methods
The iodide crystallises from EtOH on addition of ethyl iodide, and is very hygroscopic. Store it in the dark. Its solubility is 177g in 100g of H2O at 25o. [Schmeisser in Handbook of Preparative Inorganic Chem (Ed. Brauer) Academic Press Vol I p 289-290 1963.]

Material Safety Data Sheet(MSDS)

Questions And Answer

Description
Ammonium iodide (chemical formula:NH4I) is an inorganic compound consisting of ammonium and iodide. It can be prepared by the reaction between hydroiodic acid (or hydrogen iodide gas) with ammonia or ammonia hydroxide. It can be used in photographic chemicals and some medications. It can also be supplemented to many animal feed formulations as a dietary source of Iodine. It can be added to a release agent and being capable of increasing the throughput and success rate due to smoother bead release process, reducing damage to platinum ware due to forced bead release as well as reducing crucible cleaning requirement.
References
http://www.newalliance.co.in/prodhtml/Fine%20Chemicals/Bromides/B009%20Ammonium%20Iodide.html
https://en.wikipedia.org/wiki/Ammonium_iodide
http://www.xrfscientific.com/products/release-agent/

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