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Monoethanolamine CAS#141-43-5

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Chemical Name：Monoethanolamine

CAS No.:141-43-5

Molecular Formula:C2H7NO

Molecular weight:61.08

Sample: Available

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Product Details

Products Description of Monoethanolamine CAS#141-43-5

2-Hydroxyethylamine, also known as ethanolamine, is an organic compound with the chemical formula C2H7NO.

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.
pka	9.5(at 25℃)
form	Liquid
color	APHA: ≤15
Specific Gravity	1.012
Odor	ammoniacal odor
Relative polarity	0.651
PH	12.1 (100g/l, H2O, 20℃)
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)
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.
InChIKey	HZAXFHJVJLSVMW-UHFFFAOYSA-N
LogP	-2.3--1.91 at 25℃
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
WGK Germany	1
RTECS	KJ5775000
F	8-10-23
Autoignition Temperature	410 °C
TSCA	Yes
HazardClass	8
PackingGroup	III
HS Code	29221100
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

Ethanolamine is mainly used as a plasticizer, vulcanizer, accelerator and foaming agent for synthetic resins and rubbers, as well as an intermediate for pesticides, medicines and dyes. It is also a raw material for synthetic detergents, cosmetic emulsifiers, etc. In the textile industry, it is used as a whitening agent, antistatic agent, mothproofing agent, and detergent for printing and dyeing. It can also be used as a carbon dioxide absorber, ink additive, and petroleum additive.

Monoethanolamine is widely used as a purification liquid for extracting acidic components from various gases (such as natural gas). Hexahydrate piperazine can be obtained by cyclization and neutralization of monoethanolamine hydrochloride. Monoethanolamine hydrochloride is chlorinated with thionyl chloride and then replaced by sodium thiosulfate to obtain β-aminoethyl thiosulfate. This is a dye intermediate used in the production of polycondensation turquoise blue 13G. The reaction of monoethanolamine with carbon disulfide can produce the intermediate thiothiazoline used in the rubber and pharmaceutical industries.

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