The functions and uses of diethanolamine‌

‌Medical field‌:

Topical medications are used to treat skin conditions such as eczema and psoriasis, reducing symptoms by inhibiting the inflammatory response and skin cell proliferation.
‌Cosmetics Industry‌:

It has antioxidant, moisturizing and anti-UV effects and is often used in skin care products and sunscreens.
‌Chemical Industry‌:

Synthesis of other organic compounds such as surfactants and polymers.
Used as acid gas absorbent, nonionic surfactant and emulsifier.
Plays a role in detergents, polishes, lubricants, softeners, etc.

‌Other uses‌:

Used as an important sustained-release agent in boiler water treatment.
It is also used in metal cleaning, pigments, pesticides, spices, dyes and other fields.
Used as plasticizer, antioxidant, metal surface treatment agent, etc.
Diethanolamine is widely used in many fields, but you need to pay attention to safety when using it, avoid irritation to the skin and eyes, and keep away from fire and heat sources. ‌

Diethanolamine Chemical Properties
Melting point 28 °C (lit.)
Boiling point 217 °C/150 mmHg (lit.)
density 1.097 g/mL at 25 °C (lit.)
vapor density 3.6 (vs air)
vapor pressure <0.98 atm ( 100 °C)
refractive index n20/D 1.477(lit.)
Fp 280 °F
storage temp. 2-8°C
solubility H2O: 1 M at 20 °C, clear, colorless
form Viscous Liquid or Low Melting Solid
color APHA: ≤15
Specific Gravity 1.09
Odor Mild ammoniacal; faint, fishy; characteristic.
PH 11.0-12.0 (25℃, 1M in H2O)
pka 8.88(at 25℃)
explosive limit 2.1-10.6%(V)
Water Solubility MISCIBLE
Sensitive Hygroscopic
λmax λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.02
Merck 14,3107
BRN 605315
Exposure limits TLV-TWA 3 ppm (～13 mg/m3) (ACGIH).
Dielectric constant 2.8（25℃）
Stability: Stable. Incompatible with carbon dioxide, strong acids, strong oxidizing agents. Deliquescent.

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