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Sigma-Aldrich

Tetrabutylammonium hydrogensulfate

anhydrous, free-flowing, Redi-Dri™, 97%

Synonym(s):

Tetrabutylammonium bisulfate

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About This Item

Linear Formula:
(CH3CH2CH2CH2)4N(HSO4)
CAS Number:
32503-27-8
Molecular Weight:
339.53
EC Number:
251-068-5
MDL number:
MFCD00011637
UNSPSC Code:
12352100
PubChem Substance ID:
329768291
NACRES:
NA.21

grade

anhydrous

Quality Level

100

product line

Redi-Dri™

Assay

97%

form

crystals

quality

free-flowing

mp

169-171 °C (lit.)

SMILES string

OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC

InChI

1S/C16H36N.H2O4S/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-5(2,3)4/h5-16H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1

InChI key

SHFJWMWCIHQNCP-UHFFFAOYSA-M

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General description

Tetrabutylammonium bisulfate(TBAHS), a quaternary ammonium salt, is a phase-transfer reagent. It severs as cocatalyst, additive, acid, also as ion-paring agent.

Application

Tetrabutylammonium hydrogensulfate is used as a cocatalyst in the synthesis of propionic acid and the ketones by hydrocarboxylation of ethylene.

Legal Information

Redi-Dri™ is a trademark of Sigma-Aldrich Co. LLC
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H314,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

348.1 °F - closed cup

Flash Point(C)

175.6 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK3440
BCCH7923
BCCD2435
BCCF3917
BCCD2434

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Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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