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Basic information

  • Name:

  • Phosphorousacid, triethyl ester

  • Superlist Name:
  • Triethyl phosphite
  • CAS No.:

  • 122-52-1

  • Formula:
  • C6H15O3P
  • Synonyms:
  • Ethylphosphite, (EtO)3P (7CI);Ethyl phosphite, Et3PO3 (4CI);NSC 5284;Triethoxyphosphine;Tris(ethoxy)phosphine;

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Specification

The Triethyl phosphite is an organic compound with the formula C6H15O3P. The IUPAC name of this chemical is triethyl phosphite. With the CAS registry number 122-52-1, it is also named as Ethyl phosphite. The product's categories are Phosphonate Chemicals; Phosphite Ligands; Catalysis and Inorganic Chemistry; Phosphorus Compounds. Besides, it is a clear colorless liquid, which should be stored in cool and ventilated place.

The Triethyl phosphite is used as a plastic stabilizer and plasticizer, and also used as medicine, pesticide intermediates. It is used to produce analgesic pizotifen, viagra and other pesticides fenitrothion, and also used as plasticizers, stabilizers, lubricants and grease additives.

Physical properties about Triethyl phosphite are: (1)ACD/LogP: 0.67; (2)ACD/LogD (pH 5.5): 0.67; (3)ACD/LogD (pH 7.4): 0.67; (4)ACD/BCF (pH 5.5): 1.89; (5)ACD/BCF (pH 7.4): 1.89; (6)ACD/KOC (pH 5.5): 54.86; (7)ACD/KOC (pH 7.4): 54.86; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 6; (10)Polar Surface Area: 41.28 Å2; (11)Flash Point: 54.1 °C; (12)Enthalpy of Vaporization: 38.01 kJ/mol; (13)Boiling Point: 159.8 °C at 760 mmHg; (14)Vapour Pressure: 3.19 mmHg at 25°C.

Preparation: this chemical can be prepared by ethanol, phosphorus trichloride and ammonia. This reaction will need reagent Xylene.

When you are using this chemical, please be cautious about it as the following:
It is flammable and harmful by inhalation and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing and keep away from sources of ignition - No smoking.

You can still convert the following datas into molecular structure:
(1)SMILES: O(P(OCC)OCC)CC
(2)InChI: InChI=1/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3
(3)InChIKey: BDZBKCUKTQZUTL-UHFFFAOYAP
(4)Std. InChI: InChI=1S/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3
(5)Std. InChIKey: BDZBKCUKTQZUTL-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 6203mg/m3/6H (6203mg/m3) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS		 Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
mouse LD intraperitoneal > 500mg/kg (500mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 5, Pg. 286, 1953.
mouse LD50 oral 3720mg/kg (3720mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION		 Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
rabbit LD50 skin 2800mg/kg (2800mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
rat LC50 inhalation 11063mg/m3/6H (11063mg/m3) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS		 Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
rat LD50 oral 1840mg/kg (1840mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION		 Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.

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