CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Wollastonite appears as white or slightly cream-colored powder. pH (aqueous slurry) 8.0 to 10.0. (NTP, 1992) |
|---|---|
| Color/Form | White to brown, red, gray, yellow solid; vitreous to pearly luster |
| Melting Point | 2804 °F (NIOSH, 2023) |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 2.1 at 77 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2023) |
| Decomposition | When heated to decomposition it emits acrid smoke and fumes. |
| pH | pH: 8.9 - 10.0 aq slurry |
| Refractive Index | INDEX OF REFRACTION: 1.616-1.640 (ALPHA), 1.628-1.650 (BETA), 1.631-1.653 (GAMMA) |
| Chemical Classes | Mineral Dusts -> Other Mineral Dusts |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 116.16 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 115.9242612 g/mol |
| Monoisotopic Mass | 115.9242612 g/mol |
| Topological Polar Surface Area | 63.2 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 18.8 |
| 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
Wollastonite appears as white or slightly cream-colored powder. pH (aqueous slurry) 8.0 to 10.0. (NTP, 1992)