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Dioctyl phthalate

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Dioctyl phthalate

EINECS 204-214-7
CAS No. 117-84-0 Density 0.985 g/cm
Solubility 0.02 mg/L at 25 ℃ Melting Point -25 °C
Formula C24H38O4 Boiling Point 416.4 °C at 760 mmHg
Molecular Weight 390.62 Flash Point 222.3 °C
Transport Information UN 3082 Appearance clear liquid with a mild odor
Safety 23-24/25 Risk Codes 60-61
Molecular Structure Molecular Structure of 117-84-0 (Dioctyl phthalate) Hazard Symbols

1,2-Benzenedicarboxylicacid, dioctyl ester (9CI);Phthalic acid, dioctyl ester (6CI,8CI);Bis(n-octyl)phthalate;DNOP;Di-n-octyl phthalate;Dicapryl phthalate;Dinopol NOP;Dioctylo-phthalate;Monocizer W 555;NSC 15318;Octyl phthalate;Phthalic acid dioctylester;Vinycizer 85;n-Octyl phthalate;Di-n-octyl o-phthalate;1,2-Benzenedicarboxylicacid, 1,2-dioctyl ester;n-Dioctyl phthalate;


Dioctyl phthalate Chemical Properties

IUPAC Name: Dioctyl benzene-1,2-dicarboxylate
Molecular Formula: C24H38O4
Molecular Weight: 390.56 g/mol
EINECS: 204-214-7
Classification Code: Reproductive Effect; Skin / Eye Irritant
Index of Refraction: 1.49 
Molar Refractivity: 114.65 cm3 
Molar Volume: 396.3 cm3
Surface Tension: 36.4 dyne/cm 
Density: 0.985 g/cm
Flash Point: 222.3 °C 
Enthalpy of Vaporization: 66.96 kJ/mol 
Boiling Point: 416.4 °C at 760 mmHg 
Vapour Pressure of n-Dioctyl phthalate (CAS NO.117-84-0): 3.84E-07 mmHg at 25 °C

Dioctyl phthalate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin > 5gm/kg (5000mg/kg)   "Industrial Hygiene and Toxicology," 2nd ed., Patty, F.A., ed., New York, John Wiley & Sons, Inc., 1958-63Vol. 2, Pg. 1906, 1963.
mouse LD50 intraperitoneal 65gm/kg (65000mg/kg)   Journal of the Society of Cosmetic Chemists. Vol. 28, Pg. 667, 1977.
mouse LD50 oral 6513mg/kg (6513mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 17(11), Pg. 51, 1973.
rat LD50 intraperitoneal > 50mL/kg (50mL/kg)   Journal of Pharmaceutical Sciences. Vol. 61, Pg. 51, 1972.
rat LD50 oral 47gm/kg (47000mg/kg)   Farmakologiya i Toksikologiya Vol. 39, Pg. 635, 1976.

Dioctyl phthalate Consensus Reports

 n-Dioctyl phthalate's reported in EPA TSCA Inventory.

Dioctyl phthalate Safety Profile

Mildly toxic by ingestion. Experimental teratogenic and reproductive effects. A skin and severe eye irritant. Used as a plasticizer. When heated to decomposition it emits acrid smoke and irritating fumes.
Risk Statements: 60-61 
R60:May impair fertility. 
R61:May cause harm to the unborn child.
Safety Statements: 23-24/25 
S23:Do not breathe vapour. 
S24/25:Avoid contact with skin and eyes.
RIDADR: 2810
WGK Germany: 2
RTECS: TI1925000

Dioctyl phthalate Specification

  n-Dioctyl phthalate (CAS NO.117-84-0), its Synonyms are 1,2-Benzenedicarbonic acid, dioctyl ester ; 1,2-Benzenedicarboxylic acid, dioctyl ester ; Benzenedicarboxylic acid di-n-octyl ester ; Di-n-octyl phthalate ; Dicapryl phthalate ; Dinopol NOP ; Dioctyl 1,2-benzenedicarboxylate ; Dioctyl o-benzenedicarboxylate ; Dioctyl phthalate ; Dioktylester kyseliny ftalove ; n-Octyl phthalate ; o-Benzenedicarboxylic acid, dioctyl ester . It is clear liquid with a mild odor.

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