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Tetrabutylammonium iodide

Tetrabutylammonium iodide

Basic Information

CAS No.: 311-28-4
Molecular Formula: C16H36IN
Molecular Weight: 369.37

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Product Details

Tetrabutylammonium iodide is an organic ammonium compound with the molecular formula C16H36IN. white or tan powder. Soluble in water and ethanol, slightly soluble in chloroform and benzene. Stable under normal temperature and pressure.


Chemical Properties
PropertyValue

Melting Point

141-143 °C(lit.)

Boiling Point

145.3℃[at 101 325 Pa]

Density

1.20

Vapor Pressure

0Pa at 25℃

Storage Temp.

Store below +30°C.

Solubility

acetonitrile: 0.1 g/mL, clear, colorless

Form

Crystalline Powder

Color

White to cream

Odor

Amine like

Water Solubility

Soluble in water and methanol. Insoluble in benzene.

Sensitive

Light Sensitive & Hygroscopic

λmax

λ: 290 nm Amax: 0.1λ: 300 nm Amax: 0.05λ: 320 nm Amax: 0.02λ: 500 nm Amax: 0.02

BRN

3916152

Exposure limits

ACGIH: TWA 0.01 ppm

Stability:

Stable. Incompatible with strong oxidizing agents. Light-sensitive.

InChIKey

DPKBAXPHAYBPRL-UHFFFAOYSA-M

LogP

0.869 at 25℃

CAS DataBase Reference

311-28-4(CAS DataBase Reference)

EPA Substance Registry System

Tetrabutylammonium iodide (311-28-4)


Safety Information

PropertyValue
Hazard symbolXn
Hazard class codes22-36/37/38
Safety descriptions26-36-37/39
WGK Germany3
RTECS numberBS5450000
F8
TSCATSCA listed
HS code29239000
Storage class11 - Combustible solids
Hazard class (category)Acute toxicity, Category 4, Oral
Eye irritation, Category 2
Skin irritation, Category 2
ToxicityLD50 orally in Rabbit: 1990 mg/kg


Product Usage
Tetrabutylammonium Iodide (TBAI for short), with CAS No. 311-28-4 and chemical formula C₁₆H₃₆IN, appears as white to pale yellow crystalline powder. It is easily soluble in organic solvents such as ethanol, acetone and acetonitrile, and is a commonly used quaternary ammonium salt compound with both phase transfer catalysis and ionic conductivity. Its core application is in the field of organic synthesis, serving as a phase transfer catalyst that can effectively promote reactions between aqueous and organic phases, accelerate nucleophilic substitution, redox and other reactions, greatly improving reaction efficiency and yield. It is widely used in pharmaceutical synthesis and fine chemical product preparation. In the field of electrochemistry, it can be used as an electrolyte additive to improve the conductivity of electrolytes; it is also used as an intermediate in organic synthesis and an ion-pair reagent in analytical chemistry, making it an indispensable special raw material in fine chemical and electrochemical fields.

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