CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Soft silvery-white metal in bulk. Dark-gray to black odorless powder. Mp: 1509 °C; bp 2927 °C. Density: 4.47 g cm-3 at 20 °C. May irritate the respiratory tract if inhaled as a powder. May irritate the digestive tract if swallowed. Vapors may cause dizziness or suffocation. |
|---|---|
| Color/Form | Iron-gray, lustrous powder; darkens on exposure to light |
| Odor | Odorless |
| Boiling Point | 5301 °F at 760 mmHg (NIOSH, 2023) |
| Melting Point | 2732 °F (NIOSH, 2023) |
| Solubility | Soluble in hot H2O (NIOSH, 2023) |
| Density | 4.47 (NIOSH, 2023) - Denser than water; will sink |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2023) |
| Other Experimental Properties | Natural yttrium contains but one isotope, yttrium-89. Forty-three other unstable isotopes and isomers have been characterized. |
| Chemical Classes | Metals -> Rare Earth Metals |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H228:Flammable solids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. |
COMPUTED DESCRIPTORS
| Molecular Weight | 88.90584 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 88.905838 g/mol |
| Monoisotopic Mass | 88.905838 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 1 |
| 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 | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Soft silvery-white metal in bulk. Dark-gray to black odorless powder. Mp: 1509 °C; bp 2927 °C. Density: 4.47 g cm-3 at 20 °C. May irritate the respiratory tract if inhaled as a powder. May irritate the digestive tract if swallowed. Vapors may cause dizziness or suffocation.