Ammonium iodide

Description

Ammonium iodide is identified by CAS 12027-06-4, molecular formula H4IN and molecular weight 144.94 g/mol. UNII OZ8F027LDH; ChEBI 63040; InChIKey UKFWSNCTAHXBQN-UHFFFAOYSA-N. Boiling Point: 220 °C (VACUUM); Melting Point: 551 °C SUBLIMES; Solubility: WATER: 154.2 G/100 CC @ 0 °C; 230.3 G/100 CC @ 100 DEG.

Identification

CAS Registry Number	12027-06-4
PubChem CID	25487
Molecular formula	H4IN
Molecular weight	144.94 g/mol
IUPAC name	azanium iodide
InChIKey	UKFWSNCTAHXBQN-UHFFFAOYSA-N
UNII (FDA)	OZ8F027LDH
ChEBI ID	CHEBI:63040

Computed Descriptors

Molecular Weight	144.943
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	144.93885
Monoisotopic Mass	144.93885
Topological Polar Surface Area	1
Heavy Atom Count	2
Formal Charge	0
Complexity	0

Physical & Chemical Properties

Boiling Point	220 °C (VACUUM)
Melting Point	551 °C SUBLIMES
Solubility	WATER: 154.2 G/100 CC @ 0 °C; 230.3 G/100 CC @ 100 DEG
Density	2.514 @ 25 °C
Density	2.51 @25 °C
Vapor Pressure	1 MM HG @ 210.9 °C
Vapor Pressure	1 [mm Hg] @210.9 °C

Physical description & handling notes

• Ammonium iodide is an odorless white solid. Sinks and mixes with water. (USCG, 1999)
• White odorless solid; Very hygroscopic; Turns yellow to brown upon exposure to light and air; [Merck Index] White odorless granules; [MSDSonline]
• COLORLESS CUBIC CRYSTALS
• WHITE TETRAGONAL CRYSTALS OR GRANULAR POWDER
• ODORLESS
• SHARP SALINE TASTE

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Antimicrobial
GHS notification summary	7.5% (4 / 53)

GHS Hazard Classification

GHS notification summary	7.5% (4 / 53)
Reported hazard statements	H315 (86.8%), H319 (88.7%), H335 (86.8%)

Documented Uses

• Used in photographic chemicals and as an expectorant; [HSDB]
• Photographic Processing [Category: Other]
• PREPD FROM AMMONIA, IODINE & HYDROGEN PEROXIDE; FROM AMMONIA & HYDROGEN IODIDE; OR FROM AMMONIUM CARBONATE & HYDROGEN IODIDE: WULFF, CAMERON, Z PHYSIK CHEM B10, 350 (1930); SCHMEISSER IN HANDBOOK OF PREPARATIVE INORGANIC CHEM, VOL 1, G BRAUER, ED (ACADEMIC PRESS, NY, 2ND ED, 1963) 289.
• Ammonium iodide ((NH4)I): ACTIVE
• 3(?). 3= MODERATELY TOXIC: PROBABLE ORAL LETHAL DOSE (HUMAN) 0.5-5 G/KG, BETWEEN 1 OUNCE & 1 PINT (OR 1 LB) FOR 70 KG PERSON (150 LB). /IODIDE SALTS/

Synonyms

AMMONIUM IODIDE; 12027-06-4; Ammonium jodatum; Ammonium iodide ((NH4)I); Ammoniumiodid; OZ8F027LDH; AMMONIUM IODATUM; CHEBI:63040; DTXSID60894063; RefChem:58061; DTXCID601324106; 234-717-7; MFCD00011424; Iodide anion standard solution; azanium iodide; Ammonium-iodid

Frequently Asked Questions

What are the CAS number and molecular formula of Ammonium iodide?

CAS 12027-06-4; molecular formula H4IN; molecular weight 144.94 g/mol.

What other names is Ammonium iodide known by?

AMMONIUM IODIDE, 12027-06-4, Ammonium jodatum, Ammonium iodide ((NH4)I), Ammoniumiodid, OZ8F027LDH.

What is the regulatory status of Ammonium iodide?

Documented regulatory listings: CIR / INCI: Antimicrobial.

Is Ammonium iodide classified as hazardous?

7.5% of GHS notifications report no hazard classification (4 of 53).

What are the key physical properties of Ammonium iodide?

Boiling Point: 220 °C (VACUUM); Melting Point: 551 °C SUBLIMES; Solubility: WATER: 154.2 G/100 CC @ 0 °C; 230.3 G/100 CC @ 100 DEG; Density: 2.514 @ 25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.