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724033

Sigma-Aldrich

Ethylamine

99.0%

Synonym(s):

Aminoethane, Monoethylamine

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About This Item

Linear Formula:
C2H5NH2
CAS Number:
75-04-7
Molecular Weight:
45.08
Beilstein:
505933
EC Number:
200-834-7
MDL number:
MFCD00008160
UNSPSC Code:
12142100
PubChem Substance ID:
329764053
NACRES:
NA.22
Pricing and availability is not currently available.

vapor density

1.56 (15 °C, vs air)

Quality Level

100

vapor pressure

874 mmHg ( 20 °C)

Assay

99.0%

form

gas

autoignition temp.

721 °F

expl. lim.

14 %
3.5-14 %

bp

16.6 °C (lit.)

mp

-81 °C (lit.)

density

0.680 g/mL at 20 °C (lit.)
0.689 g/mL at 25 °C (lit.)

functional group

amine

SMILES string

CCN

InChI

1S/C2H7N/c1-2-3/h2-3H2,1H3

InChI key

QUSNBJAOOMFDIB-UHFFFAOYSA-N

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Packaging

Supplied in a Sure/Pac™ cylinder and has a 316 stainless steel needle valve with a male 1/4" NPTF outlet thread installed . Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.

Compatible with the following:

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC

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Signal Word

Danger

Hazard Statements

H220,H280,H319,H332,H335

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Gas 1 - Press. Gas Liquefied gas - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

2A - Gases

WGK

WGK 1

Flash Point(F)

-34.6 °F - closed cup

Flash Point(C)

-37 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
SHBQ6123
SHBN0143
SHBK7179
SHBK6599
SHBK6300

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Zhixiong Zhong et al.
Analytica chimica acta, 715, 49-56 (2012-01-17)
A new multi-channel purge and trap system coupled with ion chromatography for the determination of six alkylamines in cosmetics was developed. The proposed method, based on purge and trap of the volatile alkylamines, involved in a miniaturization and multi-channel integration
Lisa Vasicek et al.
Analytical chemistry, 81(19), 7876-7884 (2009-09-03)
Electron transfer dissociation (ETD) has proven to be a promising new ion activation method for proteomics applications due to its ability to generate c- and z-type fragment ions in comparison to the y- and b-type ions produced upon the more
Song Yang et al.
Journal of chromatography. A, 1216(15), 3280-3289 (2009-03-10)
Complementary methods using liquid chromatography-tandem quadrupole mass spectrometry (LC-MS/MS) and comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGC-TOF-MS) were developed and applied to determine targeted metabolites involved in central carbon metabolism [including tricarboxylic acid cycle, serine cycle, ethylmalonyl-coenzyme A (ethylmalonyl-CoA) pathway
Câline Christine et al.
Organic & biomolecular chemistry, 10(46), 9183-9190 (2012-10-23)
The synthesis of a phosphonated acyclic bifunctional chelate L* for the labeling of biomaterial is described. L* is based on a pyridine backbone, functionalized in ortho positions by aminomethyl-bis-methylphosphonic acids, and, in the para position, by a side chain containing
Yuying Shuai et al.
Journal of the science of food and agriculture, 90(15), 2563-2567 (2010-08-26)
Theanine, a unique amino acid found almost exclusively in tea plants, has various favourable physiological and pharmacological functions in humans. Gamma-glutamyltranspeptidase (GGT, EC 2.3.2.2) is considered to be the most effective enzyme for the production of theanine. In fact, GGT
View All Related Papers

Questions

1–3 of 3 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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  3. What causes ethylamine to come out of its cylinder as a clear liquid, but then immediately turn dark blue in a receiving beaker?

    1 answer

    1. According to the product manager, amines (NH3, NH2R) have the ability to solvate free electrons, resulting in an ink-like blue color. However, this typically occurs only in the presence of metals such as Li, K, Na, which provide the free electron. In the case of chemical synthesis applications, the color is not a significant concern as it does not affect the performance of such applications in general. Additionally, the majority of products are prone to color changes due to the very small traces of impurities present (ppm to ppb) or those that might form due to the reaction with oxygen/moisture over time.

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