CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Ammonium bromide appears as white odorless crystals or granules that become yellow upon exposure to air. Sinks and mixes in water. (USCG, 1999) |
|---|---|
| Color/Form | White tetragonal crystals |
| Odor | Odorless |
| Taste | Pungent, saline taste |
| Boiling Point | Sublimes 1007 °F (USCG, 1999) |
| Melting Point | Sublimes without melting (USCG, 1999) |
| Solubility | In water, 78.3 g/100 g water at 25 °C |
| Density | 2.429 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | VP: 1 mm Hg at 198.3 °C |
| Stability/Shelf Life | Slowly becomes yellow in air. |
| Autoignition Temperature | Not flammable (USCG, 1999) |
| pH | Slightly acid to litmus |
| Refractive Index | Index of refraction: 1.712 at 25 °C |
| Other Experimental Properties | Hygroscopic |
| Chemical Classes | Nitrogen Compounds -> Ammonium Compounds |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 97.94 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 96.95271 g/mol |
| Monoisotopic Mass | 96.95271 g/mol |
| Topological Polar Surface Area | 1 Ų |
| Heavy Atom Count | 2 |
| Formal Charge | 0 |
| Complexity | 0 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Ammonium bromide appears as white odorless crystals or granules that become yellow upon exposure to air. Sinks and mixes in water. (USCG, 1999)