PHOSPHORIC ACID CAS#78-42-2

Versatile Industrial Applications: Widely used as a flame retardant, plasticizer, and extraction agent, supporting diverse chemical manufacturing processes.

Essential Role in Hydrogen Peroxide Production: Plays a critical role in the production of hydrogen peroxide, ensuring efficient and stable processing performance.

Excellent Solvent Performance: When used in the production of trioctyl phosphate (TOP), it enables high solubility of hydroanthraquinone derivatives, improving reaction efficiency.

Favorable Safety & Separation Properties: Provides a high boiling point, high flash point, and a high hydrogen peroxide distribution coefficient between water and solvent, contributing to enhanced safety and extraction efficiency.

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Product Description

Product Description-PHOSPHORIC ACID CAS#78-42-2

Trioctyl phosphate is a colorless, odorless, transparent, and viscous liquid. It is primarily used as a solvent for hydroanthraquinone in the production of hydrogen peroxide via the anthraquinone process. It serves as an ideal solvent due to its excellent low-temperature resistance, low volatility, and high extraction distribution coefficient. However, it is prone to migration and exhibits poor oil resistance.

Product Applications-PHOSPHORIC ACID CAS#78-42-2

It can serve as a substitute for hydrogenated terpineol in the anthraquinone process for hydrogen peroxide production, resulting in higher product concentration, superior quality, and lower internal consumption; it also functions as a low-temperature-resistant plasticizer for PVC.

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Product Data

Chemical Properties-PHOSPHORIC ACID CAS#78-42-2

Melting point	-70°C
Boiling point	215 °C4 mm Hg(lit.)
density	0.92 g/mL at 20 °C(lit.)
vapor pressure	2.1 mm Hg ( 20 °C)
refractive index	n20/D 1.444(lit.)
Fp	>230 °F
storage temp.	Store below +30°C.
solubility	<0.001g/l
form	Liquid
Specific Gravity	0.93
color	Colourless
PH	7 (H2O, 20℃)
Water Solubility	<0.1 g/100 mL at 18 ºC
BRN	1715839
Henry's Law Constant	1.2×102 mol/(m3Pa) at 25℃, HSDB (2015)
InChI	1S/C24H51O4P/c1-7-13-16-22(10-4)19-26-29(25,27-20-23(11-5)17-14-8-2)28-21-24(12-6)18-15-9-3/h22-24H,7-21H2,1-6H3
InChIKey	GTVWRXDRKAHEAD-UHFFFAOYSA-N
SMILES	CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC
CAS DataBase Reference	78-42-2(CAS DataBase Reference)
NIST Chemistry Reference	2-Ethylhexanol phosphate (3:1)(78-42-2)
EPA Substance Registry System	Tris(2-ethylhexyl) phosphate (78-42-2)
ECETOC JACC REPORT	Tris(2-ethylhexyl) phosphate (78-42-2)

Safety Information-PHOSPHORIC ACID CAS#78-42-2

Hazard Codes	Xi
Risk Statements	38
Safety Statements	23-43-24/25
WGK Germany	2
RTECS	MP0770000
Autoignition Temperature	370 °C
TSCA	TSCA listed
HS Code	29190090
Storage Class	10 - Combustible liquids
Hazard Classifications	Skin Irrit. 2
Hazardous Substances Data	78-42-2(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 37000 mg/kg LD50 dermal Rabbit 20000 mg/kg

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