CAS 108-01-0 2-Dimethylaminoethanol Dabco DMEA Jeffcat DMEA

CAS 108-01-0 2-Dimethylaminoethanol Dabco DMEA Jeffcat DMEA

2-Dimethylaminoethanol
CAS No.108-01-0
Chemical Name:2-Dimethylaminoethanol Synonyms
DMAE;DMEA;DIMETHYLAMINOETHANOL;N,N-
DIMETHY , LETHANOLAMINE;DIMETHYLETHANOLAMINE;DEANOL;2-(N,N-D , IMETHYLAMINO)ETHANOL;N,N-
DIMETHYLAMINOETHANOL; , DMEOA;DIMETHYL MEA

CBNumber:CB6256870
Molecular Formula:C4H11NO
Molecular Weight:89.14
MDL Number:MFCD00002846
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Brand Designation / Product Code Table
Brand / Manufacturer Product Grade / Code Notes
Dabco (Evonik / ex-Air Products) Dabco DMEA Industry standard naming
Jeffcat (Huntsman) Jeffcat DMEA Direct product designation
KAOLIZER (Kao Corporation) KAOLIZER No. 25 Kao's numeric amine designation
(No. 10 is DMCHA, No. 25 is DMEA)
Lupragen (BASF) Lupragen N101 BASF standard designation
Polycat (Evonik) Polycat DMEA Direct commodity designation
Tegoamin (Evonik) Tegoamin DMEA Evonik flexible/specialty foam catalyst
line
Toyocat (Tosoh) Toyocat-DMA (or Toyocat DMEA) Tosoh amine catalyst line
FASCAT (PMC Organometallics) N/A (Not Applicable) FASCAT is exclusively
reserved for organometallic catalysts (tin, bismuth, titanium, etc.), not pure
tertiary amines like DMEA.
U-CAT (San-Apro) U-CAT DMEA San-Apro organic amine series

2-Dimethylaminoethanol Properties
Melting point −70 °C(lit.)
Boiling point 134-136 °C(lit.)
Density 0.886 g/mL at 20 °C(lit.)
vapor density 3.03 (vs air)
vapor pressure 100 mm Hg ( 55 °C)
refractive index n20/D 1.4294(lit.)
Flash point 105 °F
storage temp. Store below +30°C.
solubility alcohol: miscible(lit.)
form Liquid
pka pK1:9.26(+1) (25°C)
color Clear colorless to pale yellow
Odor Amine like
PH Range 10.5 - 11.0 at 100 g/l at 20 °C
PH 10.5-11 (100g/l, H2O, 20℃)
explosive limit 1.4-12.2%(V)
Water Solubility miscible
FreezingPoint -59.0℃
Sensitive Hygroscopic
Merck 14,2843
BRN 1209235
Henry's Law Constant 9.3×101 mol/(m3Pa) at 25℃, Nguyen (2013)
Stability Stable. Flammable. Incompatible with oxidizing agents, copper,
copper alloys, zinc, acids, galvanised iron. Hygroscopic.
Cosmetics Ingredients Functions BUFFERING
InChI 1S/C4H11NO/c1-5(2)3-4-6/h6H,3-4H2,1-2H3
InChIKe , y UEEJHVSXFDXPFK-UHFFFAOYSA-N
SMILES CN(C)CCO
LogP -0.55 at 23℃
Substances Added to Food (formerly EAFUS) DIMETHYLETHANOLAMINE
FDA 21 CFR 173.20; 175.105; 175.300
2-Dimethylaminoethanol Chemical Properties,Uses,Production
Description
Dimet , hylaminoethanol is a colorless liquidwith a pungent odor. Odor threshold: 0.25
ppm. Molecularweight 5 89.16; Boiling point =133℃; Freezing/Meltingpoint=259℃;
Flash point =41℃ (oc); Autoignitiontemperature 5=295℃. Explosive limits: LEL
5=1.6%;UEL 5=11.9%. Hazard Identification (based on NFPA-704M Rating System):
Health 2, Flammability 2, Reactivity 0.Soluble in water.

Chemical Properties
colorless or slightly yellow liquid with ammonia odor. It is miscible with water,
ethanol, benzene, ether and acetone.

Uses
dimethyl MEA (DMAE) is also known as dimethylaminoethanol. Studies indicate skin-
firming properties, and an ability to reduce the appearance of fine lines and
wrinkles as well as dark circles under the eyes. It is considered anti-aging, and
antiinflammatory, and has exhibited free-radical scavenging activity.

Uses
2-(Dimethylamino)ethanol is used as corrosion inhibitor, anti-scaling agent, paint
additive, coating additive and solids separation agent. It is also used as an
intermediate for active pharmaceutical ingredients and dyes. It serves as a curing
agent for polyurethanes and epoxy resins. Further, it is used as an additive to
boiler water. In addition to this, it is used therapeutically as a CNS stimulant.

Uses
2-Dimethylaminoethanol (deanol, DMAE) may be employed as a ligand in the copper-
catalyzed amination of aryl bromides and iodides.

Preparation
The synthesis of 2-Dimethylaminoethanol by the ethylene oxide method is obtained by
the ammonification of dimethylamine with ethylene oxide, which is distilled,
refined and dehydrated.

Definition
ChEBI: N,N-dimethylethanolamine is a tertiary amine that is ethanolamine having two
N-methyl substituents. It has a role as a curing agent and a radical scavenger. It
is a tertiary amine and a member of ethanolamines.

Production Methods
Synthesis of dimethylaminoethanol can be accomplished from equimolar amounts of
ethylene oxide and dimethylamine (HSDB 1988).

General Description
A clear colorless liquid with a fishlike odor. Flash point 105°F. Less dense than
water. Vapors heavier than air. Toxic oxides of nitrogen produced during
combustion. Used to make other chemicals.

Air & Water Reactions
Flammable. Partially soluble in water and less dense than water.

Reactivity Profile
DIMETHYLAMINOETHANOL is an aminoalcohol. Amines are chemical bases. They neutralize
acids to form salts plus water. These acid-base reactions are exothermic. The
amount of heat that is evolved per mole of amine in a neutralization is largely
independent of the strength of the amine as a base. Amines may be incompatible with
isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides,
anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in
combination with strong reducing agents, such as hydrides. N,N-Dimethylethanolamine
may react vigorously with oxidizing materials.

Health Hazard
Dimethylaminoethanol is classified as a mild skin irritant and a severe eye
irritant (HSDB 1988). Doses as high as 1200 mg daily produce no serious side
effects and a single dose of 2500 mg taken in a suicide attempt had no adverse
effects (Gosselin et al 1976). Inhalation of the vapor or mist can cause irritation
to the upper respiratory tract. Asthmatic symptoms have been reported. Extremely
irritating; may cause permanent eye injury. Corrosive; will cause severe skin
damage with burns and blistering. Ingestion may cause damage to the mucous
membranes and gastrointestinal tract. No reports were found in the literature
regarding carcinogenic or mutagenic potential.


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