Ammonium iodide
Ammonium iodide
CAS: 12027-06-4
Molecular Formula: H4IN
Ammonium iodide - Names and Identifiers
| Name | Ammonium iodide |
| Synonyms | HSDB 476 Ammonium-iodid Azanium iodide Ammonium iodide UNII-OZ8F027LDH Ammonium jodatum Ammonium iodide, ACS min Ammonium iodide ((NH4)I) Ammonium iodide, for analysis |
| CAS | 12027-06-4 |
| EINECS | 234-717-7 |
| InChI | InChI=1/HI.H3N/h1H;1H3 |
Ammonium iodide - Physico-chemical Properties
| Molecular Formula | H4IN |
| Molar Mass | 144.94 |
| Density | 2.51 |
| Melting Point | 551 °C (lit.) |
| Boling Point | 405°C (estimate) |
| Water Solubility | Soluble in water, ethanol, methanol, acetone, ammonia and glycerol. Slightly soluble in ether. |
| Solubility | Easily soluble in water, ethanol, glycerin and methanol, slightly soluble in ether. |
| Vapor Presure | 1 mm Hg ( 210.9 °C) |
| Appearance | White crystal |
| Specific Gravity | 2.514 |
| Color | White to pale yellow |
| Odor | Odorless |
| Exposure Limit | ACGIH: TWA 0.01 ppm |
| Merck | 14,529 |
| pKa | 0.31±0.70(Predicted) |
| PH | 4.5-6.5 (20℃, 5%) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | Light Sensitive & Hygroscopic |
| Refractive Index | 1.7031 |
| MDL | MFCD00011424 |
| Physical and Chemical Properties | Colorless cubic crystal or white crystalline powder. Odorless and salty. The relative density of 2.514(25/4 deg C). Soluble in water, soluble in ethanol, acetone, ammonia, slightly soluble in ether. With deliquescence and photosensitivity, light and air can precipitate free iodine and yellow or even Brown. 55l C sublimation. Ammonium iodide aqueous solution is easy to oxidative decomposition, while the precipitation of iodine into yellow. |
| Use | Used as an analytical reagent, but also for the synthesis of iodide |
Ammonium iodide - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-8-10-23 |
| TSCA | Yes |
| HS Code | 28276000 |
Ammonium iodide - Upstream Downstream Industry
Ammonium iodide - Reference
| Reference Show more | 1. [IF=5.645] Tingting Cai et al."Synthesis of bio-based cyclic carbonate from vegetable oil methyl ester by CO2 fixation with acid-base pair MOFs."Ind Crop Prod. 2020 Mar;145:112155 |
Ammonium iodide - Nature
Open Data Verified Data
colorless square crystal or white granules or powder, tasteless. d 25 2.5142. Deliquescence. See light or open the air that the precipitation of iodine and yellow. 19 The product is soluble in 0.6 ml water, 0.5ml boiling water, 3.7ml ethanol, 1-5ml glycerol, 2.5ml methanol, insoluble in ether. Sublimation and decomposition occurred when heated to 551 °c.
Last Update：2025-06-10 22:55:16
Ammonium iodide - Preparation Method
Open Data Verified Data
neutralization method: iodine and red phosphorus are added to the reactor containing water, and the reaction is carried out under stirring. The reaction solution is carefully filtered and then distilled, the fractions at 125-130 ° C. Were collected to obtain hydroiodic acid. When ammonia gas was introduced to neutralize all of the hydroiodic acid to pH 8-9, the introduction of helium gas was stopped. The solution was filtered and evaporated in a water bath in vacuo until most of the crystals had precipitated. After cooling, centrifugal separation, drying at 50~60 C, prepared Ammonium iodide product. If the finished product is yellow in color, it can be treated by washing with alcohol.
Last Update：2025-06-10 22:55:16
Ammonium iodide - Introduction
No smell, easy deliquescence, exposure and easy precipitation of iodine in the air.
Last Update：2022-10-16 17:12:36
Ammonium iodide - Application
Open Data Verified Data
is a raw material for the production of inorganic iodide. It can be used as a photographic film and a photographic substrate. The pharmaceutical industry is used in the manufacture of expectorants and diuretics. It is also used as a reagent for chemical analysis.
Last Update：2025-08-19 16:24:40
Ammonium iodide - Safety
Open Data Verified Data
packaged in brown glass bottles, 0.5kg net weight per bottle. External use of wooden box container transport, each box containing 10 bottles. Packaging operations should be performed in a dark room or under red light. Should be stored in a cool, dark, dry warehouse. The mouth must be sealed. Protection against rain and sunlight during transport
She was found to be doing well. During loading and unloading, the glass bottle should be handled with care, and the impact and vibration are strictly prohibited to prevent breakage of the glass bottle. In case of fire, it can be suppressed by water, sand and all kinds of fire extinguishing. Toxicity and protection see iodine.
Last Update：2025-06-10 22:55:16
Ammonium iodide - Reference Information
| pH indicator color change ph range | 4.5 - 6.5 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Application | Ammonium iodide can be used to analyze reagents, and it is also a raw material for the manufacture of inorganic iodide. In addition, ammonium iodide can be used as a photosensitive emulsion for photographic film and bottom plate. In medical applications, it is an important raw material for expectorants and diuretics. |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 155g/0 ℃;163g/10 ℃;172g/20 ℃;182g/30 ℃;191g/40 ℃ 209g/60 ℃;229g/80 ℃;250g/100 ℃ |
| toxicity | see iodine. |
| use | is the raw material for making inorganic iodide. It can be used as a photosensitive emulsion for photographic film and base plate. The pharmaceutical industry is used to manufacture expectorants and diuretics. It is also used as a chemical analysis reagent. Used as an analytical reagent and also used in the synthesis of iodide Making iodide and taking photos. |
| production method | neutralization method iodine and red phosphorus are added to a reactor containing water, reacted under stirring, carefully filtered the reaction solution, distilled, collected fractions at 125~130 ℃ to obtain hydroiodic acid, and when ammonia gas is introduced to neutralize all the hydroiodic acid to the pH value of 8~9, ammonia gas is stopped. After filtering the solution, vacuum evaporation is carried out in a water bath until most of the crystals are precipitated. After cooling, centrifugal separation, drying at 50~60 ℃, the finished product of ammonium iodide was prepared. If the color of the finished product is yellow, it can be washed with alcohol. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for Ammonium iodide