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Triethanolamine CAS#102-71-6

Triethanolamine CAS#102-71-6

Basic Information

Good Solubility: Easily miscible with water and common organic solvents, enabling flexible formulation and processing.


Strong Alkalinity: Acts as an effective base with a high pH, suitable for neutralization and condensation reactions.


Thermal Stability: High boiling point ensures stable performance under various industrial conditions.


Versatile Chemical Functionality: Amine–alcohol structure supports wide applications in chemical synthesis and formulations.

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product description

Products Description of Triethanolamine CAS#102-71-6

Triethanolamine (TEA) is a colorless oily liquid with a mild ammonia-like odor. It is hygroscopic and may darken when exposed to air, light, or heat, solidifying into colorless to pale yellow cubic crystals at low temperatures. Key properties include a melting point of 21.2 °C, boiling point of 335.4 °C, relative density of 1.1242, and refractive index of 1.4852. A 0.1 mol/L aqueous solution has a pH of about 10.5. TEA is completely miscible with water, methanol, and acetone, soluble in benzene and ether, and slightly soluble in carbon tetrachloride and n-heptane. As a strong organic base, it is widely used in condensation reactions.


Product Application of Triethanolamine CAS#102-71-6

Triethanolamine (TEA) is a versatile chemical widely used in pharmaceutical, chemical and industrial sectors.

API, pharmaceutical raw material and organic synthesis intermediate

HPLC solvent, GC reference and analytical standard

Solvent, catalyst, emulsifier, additive and key intermediate for synthetic materials, fluorine and sulfur chemistry

Biochemical reagent, food additive and general laboratory reagent

It is a critical raw material in organic chemistry, genomics and molecular diagnostics.

Product Information

Parameters


Melting point17.9-21 °C (lit.)
Boiling point190-193 °C/5 mmHg (lit.)
density1.124 g/mL at 25 °C (lit.)
vapor density5.14 (vs air)
vapor pressure0.01 mm Hg ( 20 °C)
refractive indexn20/D 1.485(lit.)
Fp365 °F
storage temp.Store at RT.
solubilityH2O: 1 M, clear, colorless
formOily Liquid
Specific Gravity1.125 (20/20℃)
colorClear colorless to slightly yellow
PH Range7.3 - 8.3
OdorMild ammoniacal.
PH10.5-11.5 (25℃, 1M in H2O)
pka7.8(at 25℃)
explosive limit3.6-7.2%(V)
Water Solubilitysoluble
SensitiveAir Sensitive & Hygroscopic
λmaxλ: 280 nm Amax: 0.1
Merck149665
BRN1699263
Exposure limitsACGIH: TWA 5 mg/m3
Dielectric constant6.9(40℃)
InChIKeyGSEJCLTVZPLZKY-UHFFFAOYSA-N
LogP-2.3 at 25℃
Surface tension46.4mN/m at 293.15K
CAS DataBase Reference102-71-6(CAS DataBase Reference)
NIST Chemistry ReferenceTriethanolamine(102-71-6)
IARC3 (Vol. 77) 2000
EPA Substance Registry SystemTriethanolamine (102-71-6)


Safety Information


Hazard CodesXi
Risk Statements36/37/38-36
Safety Statements26-39-36
WGK Germany1
RTECSKL9275000
F37917
Autoignition Temperature600 °F
TSCAYes
HS Code29221310
HS Code29321900
Hazardous Substances Data102-71-6(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg


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