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Properties of substance:

EA 1285

Synonyms:

HET
TEPP
tetraethyl pyrophosphate

Group of substances:

organic

Empirical formula (Hill's system for organic substances):

C8H20O7P2

Structural formula as text:

O(PO(OC2H5)2)2

Molar/atomic mass: 290.188

Decomposition temperature (°C):

230

CAS №: 107-49-3

Solubility (g/100 g of solvent):

acetone: miscible [Ref.]
carbon tetrachloride: sparingly soluble [Ref.]
chloroform: miscible [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
petroleum ether: difficulty soluble [Ref.]
water: miscible [Ref.]
xylene: miscible [Ref.]

Density:

1.185 (20°C, g/cm3)

Refractive index (nD):

1.4196 (20°C)

Vapour pressure (Torr):

0.000155 (20°C)
0.005 (82°C)
1 (124°C)
2 (135°C)

LD50 (mg/kg):

1.1 (rats, oral)
0.65 (rats, intraperitoneal)
7 (mice, oral)
0.85 (mice, intraperitoneal)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-500
  2. Ellison D.H. Handbook Of Chemical And Biological Warfare Agents. - 2ed., 2008. - pp. 307
  3. Possible Long-Term Health Effects of Short-Term Exposure to Chemical Agents. Volume 1: Anticholinesterases and Anticholinergics. - Washington, 1982. - pp. A2
  4. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 204-205 [Russian]
  5. Голиков С.Н., Розенгарт В.И. Фармакология и токсикология фосфорорганических соединений. - Л.: Медгиз, 1960. - pp. 8-11 [Russian]
  6. Каган Ю.С. Токсикология фосфорорганических пестицидов. - М.: Медицина, 1977. - pp. 22 [Russian]
  7. Справочник химика. - Т. 6. - Л.: Химия, 1967. - pp. 564-565 [Russian]
  8. Франке З. Химия отравляющих веществ. - Т.1. - М.: Химия, 1973. - pp. 349-350 [Russian]
  9. Шрадер Г. Новые фосфорорганические инсектициды. - М.: Мир, 1965. - pp. 84-96 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru