512-56-1
Product Name:
Trimethyl phosphate
Formula:
C3H9O4P
Synonyms:
TMP;TMPA;TMPO;Trimethyl phosphate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Trimethyl phosphate appears as a pale straw colored liquid. Inhalation may irritate respiratory tract. Vapor or liquid may irritate skin or eyes. Ingestion may irritate the mucous membranes of the gastrointestinal tract. |
|---|---|
| Color/Form | Liquid |
| Odor | Pleasant smelling |
| Boiling Point | 387 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -51 °F (NTP, 1992) |
| Flash Point | greater than 300 °F (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Density | 1.2144 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 1 mmHg at 78.8 °F ; 5 mmHg at 128.7 °F; 10 mmHg at 154.0 °F (NTP, 1992) |
| LogP | log Kow = -0.52 and -0.78 |
| Henry's Law Constant | Henry's Law constant = 7.2X10-9 atm-cu m/mole at 20 °C |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | When heated to decomposition it emits toxic fume of phosphorus oxides. |
| Refractive Index | Index of refraction = 1.3967 at 20 °C/D |
| Kovats Retention Index | 906 902 894 |
| Other Experimental Properties | 22.1% phosphorus; pour point: -46 °C |
| Chemical Classes | Other Classes -> Organophosphates, Other |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H340:Germ cell mutagenicity H351:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 140.07 g/mol |
|---|---|
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 140.02384576 g/mol |
| Monoisotopic Mass | 140.02384576 g/mol |
| Topological Polar Surface Area | 44.8 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 82.4 |
| 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
Trimethyl phosphate appears as a pale straw colored liquid. Inhalation may irritate respiratory tract. Vapor or liquid may irritate skin or eyes. Ingestion may irritate the mucous membranes of the gastrointestinal tract.