CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Arsenic trichloride appears as a colorless to yellow oily fuming liquid. It is irritating to the skin, eyes, and mucous membranes. Very toxic by inhalation and ingestion. |
|---|---|
| Color/Form | Oily liquid |
| Odor | Acrid |
| Taste | SWEETISH METALLIC TASTE |
| Boiling Point | 266.4 °F at 760 mmHg (USCG, 1999) |
| Melting Point | 3.2 °F (EPA, 1998) |
| Solubility | One mol can be dissolved in 9 moles of water; miscible with chloroform, carbon tetrachloride, iodine, sulfur, alkali iodides, oils and fats. |
| Density | 2.156 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 6.25 (EPA, 1998) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 10 mmHg at 74.3 °F (EPA, 1998) |
| Stability/Shelf Life | FUMES IN MOIST AIR |
| Decomposition | Decomposes with sunlight or on contact with water or moist air to produce hydrogen chloride and arsenic trioxide. |
| Corrosivity | Corrodes metal |
| Heat of Vaporization | 35.01 kJ/mol |
| Refractive Index | Index of refraction: 1.6006 @ 20 °C/D |
| Other Experimental Properties | Specific heat: 3.19 cal/mol/deg C; dipole moment: 2.17 |
| Chemical Classes | Metals -> Arsenic Compounds, Inorganic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H331:Acute toxicity,inhalation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P262:Do not get in eyes, on skin, or on clothing. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 181.28 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 179.828153 g/mol |
| Monoisotopic Mass | 179.828153 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 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 | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Arsenic trichloride appears as a colorless to yellow oily fuming liquid. It is irritating to the skin, eyes, and mucous membranes. Very toxic by inhalation and ingestion.