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8.00947

Sigma-Aldrich

Ethylenediamine

for synthesis

Synonym(s):

1,2-Diaminoethane, 1,2-Ethanediamine, 1,2-Diaminoethane

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About This Item

Linear Formula:
NH2CH2CH2NH2
CAS Number:
Molecular Weight:
60.10
Beilstein:
605263
MDL number:
UNSPSC Code:
12352116
EC Index Number:
203-468-6
NACRES:
NA.22
Assay:
≥99% (GC)
bp:
118 °C (lit.)
vapor pressure:
10 mmHg ( 20 °C)
Pricing and availability is not currently available.

vapor density

2.07 (vs air)

Quality Level

vapor pressure

10 mmHg ( 20 °C)

Assay

≥99% (GC)

form

liquid

autoignition temp.

716 °F

potency

866 mg/kg LD50, oral (Rat)
560 mg/kg LD50, skin (Rabbit)

expl. lim.

16 %

reaction suitability

reagent type: reductant

refractive index

n20/D 1.4565 (lit.)

pH

12.2 (20 °C, 100 g/L in H2O)

bp

118 °C (lit.)

mp

8.5 °C (lit.)

transition temp

flash point 38 °C

density

0.899 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

NCCN

InChI

1S/C2H8N2/c3-1-2-4/h1-4H2

InChI key

PIICEJLVQHRZGT-UHFFFAOYSA-N

Application

Ethylenediamine (1,2-Diaminoethane, DAE) can be used as a reagent to prepare various metal ion complexes, which are employed as reducing agents in the following reduction reactions.

  • DAE/Cr(II) complex is used for the reduction of primary alkyl halides to alkanes, and aryl bromides or iodides to arenes. This complex is also used to reduce β-substituted alkyl halides and epoxides to alkenes.[1]
  • DAE/Borane (1:1) complex is used as a highly selective reducing agent for the conversion of cinnamaldehyde to cinnamyl alcohol.[1]
  • DAE/Li complex is used as an efficient reagent for the reduction of alkenes, aromatic hydrocarbons, phenols, and alcohols.[1]

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Water (GC, area%): ≤ 1.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.896 - 0.898
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 3 - Resp. Sens. 1B - Skin Corr. 1B - Skin Sens. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

100.4 °F - closed cup

Flash Point(C)

38 °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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1, 2-Diaminoethane
Kostikov RR
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2001)

Questions

1–2 of 2 Questions  
  1. 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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  2. 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

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