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8.08352

Sigma-Aldrich

Triethylamine

for synthesis

Synonym(s):

Triethylamine, N,N-Diethylethanamine, TEA

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About This Item

Linear Formula:
(C2H5)3N
CAS Number:
Molecular Weight:
101.19
MDL number:
UNSPSC Code:
12352116
EC Index Number:
204-469-4
NACRES:
NA.22
Assay:
≥99% (GC)
bp:
90 °C/1013 hPa
vapor pressure:
72 hPa ( 20 °C)
Pricing and availability is not currently available.

vapor pressure

72 hPa ( 20 °C)

Quality Level

Assay

≥99% (GC)

form

liquid

autoignition temp.

215 °C

potency

730 mg/kg LD50, oral (Rat)

expl. lim.

1.2-9.3 % (v/v)

pH

12.7 (15 °C, 100 g/L in H2O, IUCLID)

bp

90 °C/1013 hPa

mp

-115 °C

transition temp

flash point -11 °C

solubility

133 g/L

density

0.73 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

N(CC)(CC)CC

InChI

1S/C6H15N/c1-4-7(5-2)6-3/h4-6H2,1-3H3

InChI key

ZMANZCXQSJIPKH-UHFFFAOYSA-N

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General description

Triethylamine is a volatile organic compound used in several industrial processes such as oxidation, reduction, elimination, substitution, addition, and dehydrohalogenation reactions.

Application

Triethylamine can be used as:
  • A catalyst in the Domino ring-opening/recyclization reactions of 1,3-thiazolidinedione, malononitrile, and aromatic aldehydes to synthesize polysubstituted dihydrothiophenes.
  • A base to synthesize sulfonamides using primary amines and sulfonylating agents.
  • A solvent in the Pd-catalyzed cascade Suzuki-Heck reaction.

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.726 - 0.728
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

12.2 °F - closed cup

Flash Point(C)

-11 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Protocols

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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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