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Diethylaminosulfur trifluoride, 95%, Thermo Scientific Chemicals Product Code.: 11481890
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Diethylaminosulfur trifluoride, 95%, Thermo Scientific Chemicals

Product Code. 11481890
5 g
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Quantity:
5 g
25 g
100 g
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Product Code. 11481890

Brand: Thermo Scientific Alfa Aesar A11992.06

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Description

Diethylaminosulfur trifluoride (DAST) is used as a precursor to prepare 2,6-dimethoxybenzoyl fluoride and 2-thiazolines. It is a useful fluorinating agent used for a variety of compounds including alcohols, thioethers, alkenols and cyanohydrins. It also serves as a catalyst for Friedel-Crafts allylation reaction using tertiary cyclopropyl silyl ethers and in the rearrangement of homoallylic alcohols to unsaturated aldehydes. It plays an important role for gem difluorination of ketopipecolinic acids.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Diethylaminosulfur trifluoride (DAST) is used as a precursor to prepare 2,6-dimethoxybenzoyl fluoride and 2-thiazolines. It is a useful fluorinating agent used for a variety of compounds including alcohols, thioethers, alkenols and cyanohydrins. It also serves as a catalyst for Friedel-Crafts allylation reaction using tertiary cyclopropyl silyl ethers and in the rearrangement of homoallylic alcohols to unsaturated aldehydes. It plays an important role for gem difluorination of ketopipecolinic acids.

Solubility
Miscible with water, ethanol, benzene and acetonitrile.

Notes
Store in cool place. Moisture sensitive. It reacts with water and ethanol. Incompatible with water, acids and bases.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 38078-09-0
Molecular Formula C4H10F3NS
Molecular Weight (g/mol) 161.186
MDL Number MFCD00000363
InChI Key CSJLBAMHHLJAAS-UHFFFAOYSA-N
Synonym diethylaminosulfur trifluoride, dast, diethylaminosulphur trifluoride, diethylamino sulfur trifluoride, diethylaminosulfurtrifluoride, diethylaminosulphurtrifluoride, diethylamino sulphur trifluoride, unii-78622bv6ij, sulfur, n-ethylethanaminato trifluoro-, t-4Show MoreShow Less
PubChem CID 123472
IUPAC Name N-ethyl-N-(trifluoro-$l^{4}-sulfanyl)ethanamine
SMILES CCN(CC)S(F)(F)F

Specifications

Density 1.23
Boiling Point 30°C to 32°C (3 mmHg)
Flash Point 23°C (73°F)
Linear Formula (CH3CH2)2NSF3
Refractive Index 1.4115
Quantity 5 g
UN Number UN2920
Beilstein 1849066
Sensitivity Moisture sensitive
Solubility Information Miscible with water,ethanol,benzene and acetonitrile.
Formula Weight 161.19
Percent Purity 95%
Chemical Name or Material Diethylaminosulfur trifluoride
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Certificates

Certificates

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot Number10252222 Certificate TypeCertificate of Analysis Date04/09/2024 Catalog NumberA11992.22,A11992.06,A11992.14
Lot Number10252221 Certificate TypeCertificate of Analysis Date04/09/2024 Catalog NumberA11992.22,A11992.06,A11992.14
Lot Number10251387 Certificate TypeCertificate of Analysis Date30/08/2024 Catalog NumberA11992.22,A11992.06,A11992.14
Lot Number10247734 Certificate TypeCertificate of Analysis Date21/08/2023 Catalog NumberA11992.22,A11992.06,A11992.14
Lot Number10245467 Certificate TypeCertificate of Analysis Date25/01/2023 Catalog NumberA11992.22,A11992.06,A11992.14

Safety and Handling

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Product Identifier
  • Diethylaminosulfur trifluoride
 Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 1
  • Flammable liquid Category 3
  • Skin corrosion/irritation Category 1 A
 Hazard Statement
  • H226-Flammable liquid and vapour.
  • H302-Harmful if swallowed.
  • H312-Harmful in contact with skin.
  • H314-Causes severe skin burns and eye damage.
  • H318-Causes serious eye damage.
  • H332-Harmful if inhaled.
  • EUH014-Reacts violently with water.
 Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P303+P361+P353-IF ON SKIN (or hair): 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. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Supplemental information
  • MIXTURE LIST-Contains : Diethylaminosulfur trifluoride
SDS

RUO – Research Use Only

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