N-乙酰乙醇胺

Description

N-Acetylethanolamine · CAS 142-26-7 · C4H9NO2. UNII A9O0818TWD. Boiling Point: 166-167 °C @ 8 MM HG; Melting Point: 63-65 °C; Flash Point: 176.6 °C.

Identification

CAS Registry Number	142-26-7
PubChem CID	8880
Molecular formula	C4H9NO2
IUPAC name	N-(2-hydroxyethyl)acetamide
UNII (FDA)	A9O0818TWD

Computed Descriptors

Molecular Weight	103.12
XLogP3	-1.1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	103.063328530
Monoisotopic Mass	103.063328530
Topological Polar Surface Area	49.3
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	166-167 °C @ 8 MM HG
Melting Point	63-65 °C
Flash Point	176.6 °C
Flash Point	350 °F OC
Density	1.1079 @ 25 °C/4 °C
Vapor Pressure	0.001 [mmHg]
Autoignition Temperature	860 °F

Physical description & handling notes

• Liquid
• Brown liquid; [Hawley] Colorless or yellow liquid; [MSDSonline]
• NEEDLES (ACETONE)
• BROWN, VISCOUS LIQUID
• SOL IN ALL PROP IN WATER; SOL IN HOT ACETONE; SLIGHTLY SOL IN BENZENE, PETROLEUM ETHER
• INDEX OF REFRACTION: 1.4674 @ 20 °C/D

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Acetamide MEA) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Humectant; Antistatic
GHS notification summary	40% (32 / 80)

GHS Hazard Classification

GHS notification summary	40% (32 / 80)
Reported hazard statements	H315 (51.2%), H318 (60%), H335 (51.2%)

Documented Uses

• Used as a plasticizer, humectant (paper products, glues, cork, and inks), and textile conditioner; [Hawley]
• Pulp and Paper Processing [Category: Industry]
• Working with Glues and Adhesives [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Cosmetics -> Humectant; Antistatic
• Surfactant (surface active agent)

Synonyms

N-(2-Hydroxyethyl)acetamide; N-Acetylethanolamine; 142-26-7; 2-Acetamidoethanol; Acetylcolamine; Acetamide, N-(2-hydroxyethyl)-; Acetamide MEA; 2-Acetylaminoethanol; N-Ethanolacetamide; N-Acetyl-2-aminoethanol; Hydroxyethyl acetamide; N-Acetyl ethanolamine; ACETYLETHANOLAMINE; N-2-Hydroxyethylacetamide; Acetic monoethanolamide; beta-Hydroxyethylacetamide

Frequently Asked Questions

What are the CAS number and molecular formula of N-Acetylethanolamine?

CAS 142-26-7; molecular formula C4H9NO2; molecular weight — g/mol.

What other names is N-Acetylethanolamine known by?

N-(2-Hydroxyethyl)acetamide, N-Acetylethanolamine, 142-26-7, 2-Acetamidoethanol, Acetylcolamine, Acetamide, N-(2-hydroxyethyl)-.

What is the regulatory status of N-Acetylethanolamine?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Cosmetic ingredients (Acetamide MEA) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Humectant; Antistatic.

Is N-Acetylethanolamine classified as hazardous?

40% of GHS notifications report no hazard classification (32 of 80).

What are the key physical properties of N-Acetylethanolamine?

Boiling Point: 166-167 °C @ 8 MM HG; Melting Point: 63-65 °C; Flash Point: 176.6 °C; Flash Point: 350 °F OC.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.