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31589

Sigma-Aldrich

Diethanolamine

BioUltra, ≥99.5% (GC)

Synonym(s):

2,2′-Iminodiethanol, Bis(2-hydroxyethyl)amine

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About This Item

Linear Formula:
HN(CH2CH2OH)2
CAS Number:
111-42-2
Molecular Weight:
105.14
Beilstein:
605315
EC Number:
203-868-0
MDL number:
MFCD00002843
UNSPSC Code:
12161700
PubChem Substance ID:
57648584
NACRES:
NA.25

vapor density

3.6 (vs air)

vapor pressure

<0.98 atm ( 100 °C)

product line

BioUltra

Assay

≥99.5% (GC)

form

liquid
viscous liquid

autoignition temp.

689 °F

expl. lim.

10.6 %

impurities

insoluble matter, passes filter test
≤0.2% water

refractive index

n20/D 1.477 (lit.)

pH

11.0-12.0 (25 °C, 1 M in H2O)

bp

217 °C/150 mmHg (lit.)

mp

28 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

1.097 g/mL at 25 °C (lit.)

anion traces

carbonate (CO32-): ≤2000 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.02

SMILES string

OCCNCCO

InChI

1S/C4H11NO2/c6-3-1-5-2-4-7/h5-7H,1-4H2

InChI key

ZBCBWPMODOFKDW-UHFFFAOYSA-N

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Other Notes

Component in diethanolamine-hydrochloric acid buffer (pH 7.80 - 9.90); Improved chemiluminescent detection of alkaline phosphatase.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Oral

Target Organs

Kidney,Liver,Blood

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

280.4 °F - closed cup

Flash Point(C)

138 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Improved chemiluminescent detection of alkaline phosphatase.
I Bronstein et al.
BioTechniques, 9(2), 160-161 (1990-08-01)
D.D. Perrin et al.
Buffers for pH and Metal Ion Control, 145-145 (1974)
Bjørn Henrik Hansen et al.
Aquatic toxicology (Amsterdam, Netherlands), 99(2), 212-222 (2010-06-12)
Alkanolamines are surface-active chemicals used in a wide range of industrial, agricultural and pharmaceutical applications and products. Of particular interest is the use of alkanolamines such as diethanolamine (DEA) in the removal of CO(2) from natural gas and for CO(2)
Valentyna V Semenaka et al.
Inorganic chemistry, 49(12), 5460-5471 (2010-06-15)
Two new tetranuclear complexes, [Zn(2)Cr(2)(NCS)(4)(Dea)(2)(HDea)(2)].4DMSO (1; DMSO = dimethyl sulfoxide) and [Zn(2)Cr(2)(NCS)(4)(Dea)(2)(HDea)(2)].2CH(3)CN (2), were prepared from zinc oxide, Reinecke's salt, NH(4)[Cr(NCS)(4)(NH(3))(2)].H(2)O, ammonium thiocyanate, and a nonaqueous solution of diethanolamine (H(2)Dea) in a reaction carried out under open air. Both compounds
William Conway et al.
Environmental science & technology, 46(13), 7422-7429 (2012-05-25)
The kinetics of the fast reversible carbamate formation reaction of CO(2)(aq) with a series of substituted cyclic secondary amines as well as the noncyclic secondary amine diethanolamine (DEA) has been investigated using the stopped-flow spectrophotometric technique at 25.0 °C. The
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