Monoethanolamine CAS#141-43-5

CAS Number: 141-43-5
Chemical Formula: C2H7NO
Synonyms:

Ethanolamine, ACS, 99+%
Ethanolamine, 99%, H2O 0.5% max
ETHANOLAMINE, REAGENTPLUS, >=99%

Appearance: Colorless Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Monoethanolamine CAS#141-43-5

Ethanolamine is a kind of viscous hygroscopic amino alcohol contains both amine and alcohol chemical groups. It is widely distributed inside the body and is a component of lecithin. It has many kinds of industrial applications. For example, it can be used in the production of agricultural chemicals including ammonia as well as the manufacturing of pharmaceuticals and detergents. It can also be used as a surfactant, fluorimetric reagent and removing agent of CO2 and H2S. In pharmaceutical field, ethanolamine is used as a Vascular Sclerosing agent. It also has antihistaminic property, which alleviates the negative symptoms caused by H1-receptor binding.

Monoethanolamine Chemical 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.)
Fp	200 °F
storage temp.	Store at +15°C to +25°C.
solubility	Soluble in benzene, ether, carbon tetrachloride.
form	Liquid
pka	9.5(at 25℃)
Specific Gravity	1.012
color	APHA: ≤15
Odor	ammoniacal odor
PH	12.1 (100g/l, H2O, 20℃)
Relative polarity	0.651
biological source	synthetic
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 atmm3/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.
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)

Safety Information

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
F	8-10-23
Autoignition Temperature	410 °C
TSCA	TSCA listed
HazardClass	8
PackingGroup	III
HS Code	29221100
Storage Class	8A - Combustible corrosive hazardous materials
Hazard Classifications	Acute Tox. 4 Dermal Acute Tox. 4 Inhalation Acute Tox. 4 Oral Aquatic Chronic 3 Eye Dam. 1 Skin Corr. 1B STOT SE 3
Hazardous Substances Data	141-43-5(Hazardous Substances Data)
Toxicity	LD50 orally in rats: 10.20 g/kg (Smyth)
IDLA	30 ppm

Product Application Of Monoethanolamine CAS#141-43-5

Monoethanolamine is used primarily in pharmaceutical formulations for buffering purposes and in the preparation of emulsions. Other uses include as a solvent for fats and oils and as a stabilizing agent in an injectable dextrose solution of phenytoin sodium.
Monoethanolamine is also used to produce a variety of salts with therapeutic uses. For example, a salt of monoethanolamine with vitamin C is used for intramuscular injection, while the salicylate and undecenoate monoethanolamine salts are utilized respectively in the treatment of rheumatism and as an antifungal agent. However, the most common therapeutic use of monoethanolamine is in the production of ethanolamine oleate injection, which is used as a sclerosing agent.

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