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A3946412

Ethanolamine , ACS,≥99.0% , 141-43-5

Synonym(s):
Ethanolamine;MEA;Monoethanolamine;2-Aminoethanol;ETA

CAS NO.:141-43-5

Empirical Formula: C2H7NO

Molecular Weight: 61.08

MDL number: MFCD00008183

EINECS: 205-483-3

Update time: 2022-07-08

PRODUCT Properties

Melting point: 10-11 °C(lit.)
Boiling point: 170 °C(lit.)
Density  1.012 g/mL at 25 °C(lit.)
vapor density  2.1 (vs air)
vapor pressure  0.2 mm Hg ( 20 °C)
refractive index  n20/D 1.454(lit.)
Flash point: 200 °F
storage temp.  Store at +15°C to +25°C.
solubility  Soluble in benzene, ether, carbon tetrachloride.
pka 9.5(at 25℃)
form  Liquid
color  APHA: ≤15
Specific Gravity 1.012
Relative polarity 0.651
PH 12.1 (100g/l, H2O, 20℃)
Odor ammoniacal odor
explosive limit 3.4-27%(V)
Water Solubility  miscible
Sensitive  Air Sensitive & Hygroscopic
Merck  14,3727
BRN  505944
Henry's Law Constant 1.61(x 10-10 atm?m3/mol) at 20 °C (Bone et al., 1983)
Exposure limits TLV-TWA 3 ppm (~7.5 mg/m3) (ACGIH, MSHA, and OSHA); TLV-STEL 6 ppm (~15 mg/m3) (ACGIH); IDLH 1000 ppm (NIOSH).
Dielectric constant 31.940000000000001
Stability: Stable. Flammable; incompatible with strong oxidizing agents, strong acids. Hygroscopic.
InChIKey HZAXFHJVJLSVMW-UHFFFAOYSA-N
LogP -2.3--1.91 at 25℃

Description and Uses

Monoethanolamine is contained in many products, such as metalwork fluids. It is mainly an irritant. Traces may exist in other ethanolamine fluids.

As a chemical intermediate; corrosion inhibitor; in the production of cosmetics, detergents, paints, and polishes

Safety

Symbol(GHS) 
GHS05,GHS07
Signal word  Danger
Hazard statements  H302+H312+H332-H314-H335-H412
Precautionary statements  P273-P280-P301+P312+P330-P303+P361+P353-P304+P340+P312-P305+P351+P338+P310
Hazard Codes  T,C
Risk Statements  20/21/22-34-39/23/24/25-23/24/25-10-52/53
Safety Statements  26-36/37/39-45-61
RIDADR  UN 2924 3/PG 3
OEB B
OEL TWA: 3 ppm (8 mg/m3), STEL: 6 ppm (15 mg/m3)
WGK Germany  1
RTECS  KJ5775000
8-10-23
Autoignition Temperature 410 °C
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29221100
Toxicity LD50 orally in rats: 10.20 g/kg (Smyth)
IDLA 30 ppm

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