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Safety Information

77004

Sigma-Aldrich

Tetrabutylammonium hydrogen difluoride solution

~50% in acetonitrile

Synonym(s):

TBABF, Tetrabutylammonium bifluoride, Tetrabutylammonium difluoride

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About This Item

Linear Formula:
(CH3CH2CH2CH2)4N(HF2)
CAS Number:
23868-34-0
Molecular Weight:
281.47
Beilstein:
4729304
MDL number:
MFCD00077877
UNSPSC Code:
12352101
PubChem Substance ID:
57652671
NACRES:
NA.22

form

solution

Quality Level

100

concentration

~50% in acetonitrile

impurities

≤1% water

functional group

amine

storage temp.

2-8°C

SMILES string

[F-].F[H].CCCC[N+](CCCC)(CCCC)CCCC

InChI

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

InChI key

ZHBDKVWQJKYIFF-UHFFFAOYSA-M

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Related Categories

Application

  • Used as an etchant for silica films

Reactant for:
  • Nucleophilic fluorination
  • Ring-opening fluorination reaction
  • Substitution reactions

Other Notes

Efficient fluorinating agent

Signal Word

Danger

Hazard Statements

H225,H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

<50.0 °F - closed cup

Flash Point(C)

< 10 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

77004-BULK:
77004-100ML:4548173305851
77004-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
BGBC4447V
BCBF9916V
BCBF9916
1447230
017362/1

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P. Bosch et al.
Tetrahedron Letters, 28, 4733-4733 (1987)
F. Camps et al.
The Journal of Organic Chemistry, 54, 4294-4294 (1989)

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