CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Dimethyl hydrogen phosphite is a colorless liquid. (USCG, 1999) |
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Color/Form | Mobile, colorless liquid |
Odor | Mild odor |
Boiling Point | 338 to 340 °F at 760 mmHg (NTP, 1992) |
Melting Point | 29 °C |
Flash Point | 85 °F (NTP, 1992) |
Solubility | greater than or equal to 100 mg/mL at 67.1 °F (NTP, 1992) |
Density | 1.2 (USCG, 1999) - Denser than water; will sink |
Vapor Density | 7.9 (Air = 1) |
Vapor Pressure | 1 mmHg at 77 °F ; 8 mmHg at 122 °F; 32 mmHg at 158 °F (NTP, 1992) |
LogP | -1.2 |
Autoignition Temperature | 237 °C |
Decomposition | When heated to decomposition it emits toxic fumes of /phosphorous oxides/. |
Viscosity | 1.06 centistokes at 25 °C |
Refractive Index | Index of refraction: 1.4036 at 20 °C/D |
Other Experimental Properties | Volatility: 1.92X10+4 mg/cu m at 20 °C |
Chemical Classes | Other Classes -> Phosphite Compounds |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 Health Hazard GHS08 |
GHS Hazard Statements |
H317:Sensitisation, Skin H341:Germ cell mutagenicity H351:Carcinogenicity H412:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
Molecular Weight | 109.04 g/mol |
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XLogP3 | 0 |
Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 3 |
Rotatable Bond Count | 2 |
Exact Mass | 109.00545605 g/mol |
Monoisotopic Mass | 109.00545605 g/mol |
Topological Polar Surface Area | 35.5 Ų |
Heavy Atom Count | 6 |
Formal Charge | 1 |
Complexity | 46.8 |
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
Dimethyl hydrogen phosphite is a colorless liquid. (USCG, 1999)