512-56-1

Product Name: Trimethyl phosphate

Formula: C3H9O4P

Synonyms: TMP;TMPA;TMPO;Trimethyl phosphate

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES SAFETY INFORMATION COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

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 Å²
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.