Quaternary ammonium salt

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Tetrabutylammonium Hydrogen Sulfate

Tetrabutylammonium Hydrogen Sulfate
CAS No.: 32503-27-8
Molecular Formula: C16H37NO4S
Molecular Weight: 339.53
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Product Introduction

Tetrabutylammonium hydrogen sulfate (CAS# 32503-27-8) appears as a white to off-white crystalline powder or crystal under normal temperature and pressure, featuring regular crystal structure, fine powder texture, and no obvious odor.


CHEMICAL PROPERTIES

PropertyValue

Melting Point

171-174 °C

Boiling Point

213.3-593.92℃[at 101 325 Pa]

Bulk Density

650kg/m3

dDensity

1.01

Vapor Pressure

0Pa at 25℃

Storage Temp.

Store below +30°C.

Solubility

H2O: soluble10% (w/v), clear, colorless

Form

Solution

Specific Gravity

1.01

Color

White to beige

Odor

Amine like

PH

1-2 (100g/l, H2O, 20℃)

PH Range

1 - 2

Water Solubility

Soluble

λmax

λ: 210 nm Amax: 0.06λ: 220 nm Amax: 0.05λ: 230 nm Amax: 0.03λ: 260 nm Amax: 0.02λ: 500 nm Amax: 0.02

Sensitive

Hygroscopic

BRN

3599663

Stability:

Stable, but moisture sensitive. Incompatible with strong oxidizing agents.

InChIKey

SHFJWMWCIHQNCP-UHFFFAOYSA-M

LogP

0.96 at 25℃

CAS DataBase Reference

32503-27-8(CAS DataBase Reference)

NIST Chemistry Reference

Tetrabutylammonium hydrogen sulfate(32503-27-8)

EPA Substance Registry System

Tetrabutylammonium sulfate (1:1) (32503-27-8)


SAFETY INFORMATION

PropertyValue
Hazard SymbolsXn, Xi
Hazard Class Codes36/37/38-22
Safety Descriptions26-36-37/39
WGK Germany3
F8-10
Hazard NoteIrritant
TSCATSCA listed
HS code29239000
Storage class8A - Combustible, corrosive substances
Hazard class (category)Acute toxicity, Category 4, Oral
Hazardous to the aquatic environment — long-term hazard, Category 3
Serious eye damage, Category 1
Skin corrosion, Category 1


PRODUCT USAGE

Tetrabutylammonium Hydrogen Sulfate (TBAHS for short), with CAS No. 32503-27-8 and chemical formula C₁₆H₃₇NO₄S, appears as white crystalline powder, easily soluble in polar solvents such as water and ethanol, with stable chemical properties, combining phase transfer catalysis and acid catalytic performance. Its core application is in the field of organic synthesis. As an efficient phase transfer catalyst, it can promote the reaction between aqueous and organic phases, accelerate nucleophilic substitution, oxidation and other reactions, and improve reaction efficiency and product purity. It can also be used as an acid catalyst for ester synthesis, isomerization and other reactions. In addition, it can be used as an ion-pair reagent to assist chromatographic separation and analytical detection, widely used in fine chemicals, pharmaceutical synthesis, analytical chemistry and other fields, being an indispensable functional chemical raw material.

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Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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