N-OCTYLPHOSPHONIC ACID

Synonym(s):n-Octylphosphonic acid;OPA

CAS NO.：4724-48-5
Empirical Formula: C8H19O3P
Molecular Weight: 194.21
MDL number: MFCD00015841
EINECS: 225-218-5
SAFETY DATA SHEET (SDS)
Update Date: 2024-12-18 14:15:32

What is N-OCTYLPHOSPHONIC ACID?

The Uses of N-OCTYLPHOSPHONIC ACID

1-Octylphosphonic acid is a basic building block and used in the preparation of various pharmaceutical compounds and chemical products. It is supported with calcium hydroxyapatite and used in the dental field as corrosion inhibitor and organic building block. It acts as a corrosion inhibitor in metallic household surfaces such as faucets and drains as well as prevents the rusting of can or dispenser. It is also used in the synthesis of octyl-phosphonic acid dimethyl ester by reacting with iodomethane in presence of CS2 CO3.

The Uses of N-OCTYLPHOSPHONIC ACID

OPA can be used as a surfactant that may be added to silver (Ag)/titanium oxide (TiO₂) for uniform dispersion into the polymeric matrix. It may be coated on indium-tin oxide (ITO) substrates, which can be used for super-resolution microscopy. OPA based charge blocking layer may be used to prevent leakage of current in a hybrid dielectric film.

General Description

Octylphosphonic acid (OPA) forms a self-assembled monolayer (SAM), which serves as a protective anti-corrosive phosphonate layer on a variety of surfaces.

Flammability and Explosibility

Non flammable

Properties of N-OCTYLPHOSPHONIC ACID

Melting point:	100-102°C
Boiling point:	170 °C(Press: 0.05 Torr)
Density	1.080±0.06 g/cm3(Predicted)
vapor pressure	0Pa at 25℃
storage temp.	Sealed in dry,Room Temperature
solubility	soluble in Methanol
form	Powder
pka	2.69±0.10(Predicted)
Specific Gravity	1.10
color	white to off-white
Water Solubility	Slightly soluble in organic solvents and water.
Hydrolytic Sensitivity	4: no reaction with water under neutral conditions
BRN	1764242
EPA Substance Registry System	Phosphonic acid, octyl- (4724-48-5)

Safety information for N-OCTYLPHOSPHONIC ACID

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07 Health Hazard GHS08
GHS Hazard Statements	H302:Acute toxicity,oral H314:Skin corrosion/irritation H373:Specific target organ toxicity, repeated exposure
Precautionary Statement Codes	P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.