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04499

Sigma-Aldrich

4-Ethylmorpholine

BioXtra, suitable for protein sequencing, ≥99.5% (GC)

Synonym(s):

N-ethylmorpholine

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About This Item

Empirical Formula (Hill Notation):
C6H13NO
CAS Number:
100-74-3
Molecular Weight:
115.17
Beilstein:
102969
EC Number:
202-885-0
MDL number:
MFCD00006177
UNSPSC Code:
12352200
PubChem Substance ID:
329747935
NACRES:
NA.26

product line

BioXtra

Quality Level

200

Assay

≥99.5% (GC)

impurities

with OPA-reagent reacting impurities, none detected (fluorimetric)

refractive index

n20/D 1.441 (lit.)
n20/D 1.442

bp

139 °C (lit.)

mp

−63 °C (lit.)

density

0.91 g/mL at 20 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

cut-off at 300 nm

suitability

suitable for protein sequencing

SMILES string

CCN1CCOCC1

InChI

1S/C6H13NO/c1-2-7-3-5-8-6-4-7/h2-6H2,1H3

InChI key

HVCNXQOWACZAFN-UHFFFAOYSA-N

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Other Notes

Buffer constituent for the separation of basic peptides in anion-exchange chromatography

Signal Word

Danger

Hazard Statements

H226,H302,H311,H314

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

86.0 °F - closed cup

Flash Point(C)

30 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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B.M. Malstrom et al.
Journal of Chromatography A, 215, 109-109 (1981)
Jeroen Witteveldt et al.
Cell reports, 23(11), 3275-3285 (2018-06-14)
Type I interferons (IFNs) are central components of the antiviral response. Most cell types respond to viral infections by secreting IFNs, but the mechanisms that regulate correct expression of these cytokines are not completely understood. Here, we show that activation
Ende Zhao et al.
Nature immunology, 17(1), 95-103 (2015-11-03)
Aerobic glycolysis regulates T cell function. However, whether and how primary cancer alters T cell glycolytic metabolism and affects tumor immunity in cancer patients remains a question. Here we found that ovarian cancers imposed glucose restriction on T cells and
R J Rando et al.
American Industrial Hygiene Association journal, 50(1), 8-14 (1989-01-01)
A passive monitor for TDI which utilizes microporous Teflon diffusion membranes and a 0.5% sulfuric acid (H2SO4) absorbing medium was evaluated. The collection rate of TDI is proportional to exposure dose from 10 to at least 300 ppb.hr, and response
V S Kamanna et al.
Biochimica et biophysica acta, 1043(1), 119-121 (1990-03-12)
Apolipoprotein B (ApoB) in general is known as an insoluble protein in aqueous buffers without the initial aid of denaturing agents. However, following the total delipidization of rat plasma low-density lipoproteins, a considerable portion (28.2 +/- 3.0%) of rat ApoB
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