N-BUTYL PHOSPHATE Chemical Properties

Melting point:

-60℃

Boiling point:

>124℃

Density 

1.116

refractive index 

1.429

Flash point:

110°(230°F)

form 

Liquid

Specific Gravity

1.116

color 

Colorless

Water Solubility 

Soluble in ethanol, diethyl ether. Insoluble in water.

Exposure limits

ACGIH: TWA 5 mg/m3 (Skin)
OSHA: TWA 1 ppm(5 mg/m3)
NIOSH: IDLH 30 ppm; TWA 1 ppm(5 mg/m3); STEL 2 ppm(10 mg/m3)

EPA Substance Registry System

Phosphoric acid, dibutyl ester, mixt. with butyl dihydrogen phosphate (52933-01-4)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36

Safety Statements 

26

RIDADR 

UN1718

TSCA 

Yes

HazardClass 

8

PackingGroup 

III

MSDS

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N-BUTYL PHOSPHATE Usage And Synthesis

Uses

n-Butyl phosphate is a solvent and plasticizer for cellulose esters such as nitrocellulose and cellulose acetate. It forms stable hydrophobic complexes with some metals, as an extractant. It is also used in industry are as a component of aircraft hydraulic fluid and as a solvent for extraction and purification of rare earth metals from their ores.

General Description

A colorless liquid. Insoluble in water. Density about 9.4 lb /gal. Corrosive to metals and tissues. Flash point 230°F.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Organophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.

N-BUTYL PHOSPHATE(52933-01-4)Related Product Information

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