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Substance Name: Tri-(2-ethylhexyl)phosphite
RN: 301-13-3
UNII: 5955K9I74A
InChIKey: ILLOBGFGKYTZRO-UHFFFAOYSA-N

Note

  • Polymer stabilizer.

Molecular Formula

  • C24-H51-O3-P

Molecular Weight

  • 418.638
 
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Names and Synonyms

Name of Substance

  • Tri-(2-ethylhexyl)phosphite

Synonyms

  • 1-Hexanol, 2-ethyl-, phosphite (6CI)
  • 4-01-00-01785 (Beilstein Handbook Reference)
  • AI3-18581
  • BRN 1712332
  • CCRIS 6203
  • EINECS 206-111-2
  • JP 308
  • NSC 3233
  • Tri(2-ethylhexyl) phosphite
  • Tri-(2-ethylhexyl)phosphite
  • Trioctyl phosphite
  • Tris(2-ethylhexyl) phosphite
  • Tris(2-ethylhexyl)phosphite
  • UNII-5955K9I74A

Systematic Names

  • 1-Hexanol, 2-ethyl-, phosphite (3:1) (7CI)
  • Phosphorous acid, tris(2-ethylhexyl) ester
  • Tris(2-ethylhexyl) phosphite

Registry Numbers

CAS Registry Number

  • 301-13-3

FDA UNII

  • 5955K9I74A

System Generated Number

  • 0000301133

Structure Descriptors

InChI

1S/C24H51O3P/c1-7-13-16-22(10-4)19-25-28(26-20-23(11-5)17-14-8-2)27-21-24(12-6)18-15-9-3/h22-24H,7-21H2,1-6H3

InChIKey

ILLOBGFGKYTZRO-UHFFFAOYSA-N

Smiles

P(OC[C@@H](CCCC)CC)(OC[C@@H](CCCC)CC)OC[C@@H](CCCC)CC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LC inhalation > 27500ug/m3 (27.5mg/m3)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.
mouse LD50 oral 7600mg/kg (7600mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.
rabbit LD50 oral 8500mg/kg (8500mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: TREMOR
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.
rabbit LD50 skin > 5gm/kg (5000mg/kg)   Albright & Wilson Inc. Vol. #OPB-3, Pg. 1984,
rat LC50 inhalation > 20gm/m3 (20000mg/m3)   Albright & Wilson Inc. Vol. #OPB-3, Pg. 1984,
rat LD50 oral 6200mg/kg (6200mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: TREMOR

AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.