CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Phosphorous acid appears as a white or yellow crystalline solid (melting point 70.1 deg C) or a solution of the solid. Density 1.651 g /cm3. Contact may severely irritate skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption. |
|---|---|
| Chemical Classes | Toxic Gases & Vapors -> Acids, Inorganic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H290:Corrosive to Metals H302:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P234:Keep only in original container. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 80.988 g/mol |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 80.97415592 g/mol |
| Monoisotopic Mass | 80.97415592 g/mol |
| Topological Polar Surface Area | 57.5 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 1 |
| Complexity | 26.3 |
| 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
Phosphorous acid appears as a white or yellow crystalline solid (melting point 70.1 deg C) or a solution of the solid. Density 1.651 g /cm3. Contact may severely irritate skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption.


