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2D Structure
Also known as: Trichlorophosphine, Phosphorous trichloride, Trichlorophosphane, 7719-12-2, Phosphorous chloride, Pcl3
Molecular Formula
Cl3P
Molecular Weight
137.33  g/mol
InChI Key
FAIAAWCVCHQXDN-UHFFFAOYSA-N
FDA UNII
M97C0A6S8U

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
trichlorophosphane
2.1.2 InChI
InChI=1S/Cl3P/c1-4(2)3
2.1.3 InChI Key
FAIAAWCVCHQXDN-UHFFFAOYSA-N
2.1.4 Canonical SMILES
P(Cl)(Cl)Cl
2.2 Other Identifiers
2.2.1 UNII
M97C0A6S8U
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Phosphorous Trichloride

2. Phosphorus Chloride

3. Phosphorus Chloride (pcl3)

4. Phosphorus Chloride, (32)p-labelled

5. Trichlorophosphine

2.3.2 Depositor-Supplied Synonyms

1. Trichlorophosphine

2. Phosphorous Trichloride

3. Trichlorophosphane

4. 7719-12-2

5. Phosphorous Chloride

6. Pcl3

7. Phosphorus(iii) Chloride

8. Phosphine, Trichloro-

9. Phosphorus Chloride (pcl3)

10. Fosfortrichloride

11. Phosphortrichlorid

12. Trojchlorek Fosforu

13. Phosphorus Chloride (cl6p2)

14. Fosforo(tricloruro Di)

15. Phosphore(trichlorure De)

16. Trichloridophosphorus

17. M97c0a6s8u

18. Chloride Of Phosphorus

19. Hsdb 1031

20. Einecs 231-749-3

21. Unii-m97c0a6s8u

22. Chebi:30334

23. Ec 231-749-3

24. (pcl3)

25. [pcl3]

26. Phosphorustrichloride

27. Phosphorus Trichloride, Reagentplus(r), 99%

28. Fosfortrichloride [dutch]

29. Phosphortrichlorid [german]

30. Trojchlorek Fosforu [polish]

31. Fosforo(tricloruro Di) [italian]

32. Phosphore(trichlorure De) [french]

33. Phosphoroustrichloride

34. Mfcd00011438

35. Un1809

36. Phosphorus-trichloride

37. Phosphorous Tri-chloride

38. Phosphorus(iii)chloride

39. Phosphorous(iii) Chloride

40. Phosphorus Trichloride, Cp

41. Phosphorous (iii) Chloride

42. Phosphorus (iii) Trichloride

43. Dtxsid5029687

44. Phosphorus (iii) Chloride

45. Phosphorus Chloride(pcl3)

46. Phosphorus Chloride(cl6p2)

47. Phosphorus Trichloride [mi]

48. Phosphorus Trichloride [hsdb]

49. Akos015904450

50. Un 1809

51. Bp-31000

52. P1611

53. Phosphorus Trichloride [un1809] [poison]

54. Phosphorus Trichloride, Purum, >=97.0% (at)

55. Q409707

56. Phosphorus Trichloride, 99.999% Trace Metals Basis

2.4 Create Date
2004-09-16
3 Chemical and Physical Properties
Molecular Weight 137.33 g/mol
Molecular Formula Cl3P
XLogP32.3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass g/mol
Monoisotopic Mass g/mol
Topological Polar Surface Area0
Heavy Atom Count4
Formal Charge0
Complexity8
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Minimum/Potential Fatal Human Dose

The estimated fatal dose of phosphorous trichloride is 1 g or ml ... /From table/

Dreisbach, R.H. Handbook of Poisoning. 12th ed. Norwalk, CT: Appleton and Lange, 1987., p. 199


5 Pharmacology and Biochemistry
5.1 Absorption, Distribution and Excretion

The substance can be absorbed into the body by inhalation or by ingestion.

IPCS, CEC; International Chemical Safety Card on Phosphorus trichloride. (October 1997). Available from, as of November 03, 2006: https://www.inchem.org/documents/icsc/icsc/eics0696.htm


Phosphorus trichloride /reacts/ with the water component of the tissues /it/ first contact. The resulting hydrogen chloride and phosphorus oxyacid ions, if absorbed, join the body pools of these ions. Phosphate, chloride, and hydrogen ions are easily excreted by the kidneys by normal physiological mechanisms.

IPCS; Health and Safety Guide on Phosphorus trichloride and phosphorus oxychloride (HSG 35, 1989). Available from, as of November 03, 2006: https://www.inchem.org/pages/hsg.html


5.2 Metabolism/Metabolites

Phosphorus trichloride /reacts/ with the water component of the tissues /it/ first contact. The resulting hydrogen chloride and phosphorus oxyacid ions, if absorbed, join the body pools of these ions. Phosphate, chloride, and hydrogen ions are easily excreted by the kidneys by normal physiological mechanisms.

IPCS; Health and Safety Guide on Phosphorus trichloride and phosphorus oxychloride (HSG 35, 1989). Available from, as of November 03, 2006: https://www.inchem.org/pages/hsg.html