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
biological source :synthetic
explosive limit :3.4-27%(V)
Water Solubility :miscible
Thermal Conductivity :0.24 W/(m·K) at 25 ℃
Sensitive :Air Sensitive & Hygroscopic
Merck :14,3727
BRN :505944
Henry's Law Constant :1.61(x 10^-10 atmm³/mol) at 20 °C (Bone et al., 1983)
Dielectric constant :31.940000000000001
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).
Stability :Stable. Flammable; incompatible with strong oxidizing agents, strong acids. Hygroscopic.
Cosmetics Ingredients Functions :BUFFERING
Cosmetic Ingredient Review (CIR) :Monoethanolamine (141-43-5)
InChI :1S/C2H7NO/c3-1-2-4/h4H,1-3H2
InChIKey :HZAXFHJVJLSVMW-UHFFFAOYSA-N
SMILES :NCCO
LogP :-2.3--1.91 at 25℃
Surface tension :48.48mN/m at 293.15K
CAS DataBase Reference :141-43-5(CAS DataBase Reference)
NIST Chemistry Reference :Ethanolamine(141-43-5)
EPA Substance Registry System :Ethanolamine (141-43-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…