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Phosphoramidocyanidic acid, dimethyl-, ethyl ester

Phosphoramidocyanidic acid, dimethyl-, ethyl ester structure

Phosphoramidocyanidic acid, dimethyl-, ethyl ester 

structure
  • CAS No:

    77-81-6

  • Formula:

    C5H11N2O2P

  • Chemical Name:

    Phosphoramidocyanidic acid, dimethyl-, ethyl ester

  • Synonyms:

    Phosphoramidocyanidic acid,N,N-dimethyl-,ethyl ester;Phosphoramidocyanidic acid,dimethyl-,ethyl ester;Dimethylamidoethoxyphosphoryl cyanide;Ethyl dimethylamidocyanophosphate;Ethyl dimethylphosphoramidocyanidate;Tabun;GA (chemical warfare agent);GA;102490-55-1

Description

Liquid. Readily soluble in organic solvents; miscible with water but readily hydrolyzed; destroyed by bleaching powder, generating cyanogen chloride. Combustible. Tabun (GA), an organophosphorous compound, is a nerve agents, and among the most toxic of the known chemical warfare agents. Exposure to tabun can cause death in minutes. A fraction of an ounce (1-10 mL) of tabun on the skin can be fatal. GA is a clear, colorless to brownish, oily liquid, with a slight fruity odor, like almonds. No od

Phosphoramidocyanidic acid, dimethyl-, ethyl ester Basic Attributes

162.12700

162.13

Characteristics

63.14000

1.25868

Tabun is a colorless to brown liquid with a faint fruity odor. Used as a chemical warfare agent.

1.073 g/cm3 @ Temp: 25 °C

-50 °C

240 °C @ Press: 760 Torr

98.9ºC

1.439

In water, 9.8X10+4 mg/L at 25 deg C

Store in tightly closed containers in a cool, well vented area away from strong oxidizers. Where possible, automatically transfer material from drums or other storage containers to process containers. Sources of ignition such as smoking and open flames are prohibited where this chemical is used, handled, or stored. Metal containers involving the transfer of this chemical should be grounded and bonded. Drums must be equipped with self-closing valves, pressure vacuum bungs, and flame arresters. W

0.07 mm Hg at 25 deg C; 0.037 mm Hg at 20 deg C

5.6 (Air = 1)

LD50 i.p. in mice: 0.6 mg/kg (Holmstedt)

The industrial product has a weak sweetish smell; in small concentrations, it smells of fruit, but in large concentrations, it smells of fish

Safety Information

I

6.1(a)

UN 2810

TB4550000

Phosphoramidocyanidic acid, dimethyl-, ethyl ester Use and Manufacturing

Chemical warfare agent.

Computed Properties

Molecular Weight:162.13
XLogP3:0.1
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:3
Exact Mass:162.05581460
Monoisotopic Mass:162.05581460
Topological Polar Surface Area:53.3
Heavy Atom Count:10
Complexity:193
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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