Basic information
- CAS
142-26-7- Standard SMILES
CC(=O)NCCO- InChIKey
PVCJKHHOXFKFRP-UHFFFAOYSA-N- Molecular formula
- C4H9NO2
- Average molar mass
- 103.12 g/mol
- Monoisotopic mass
- 103.06332853
Overview
N-acetylethanolamine is a member of the class of ethanolamines that is 2-aminoethanol in which one of the hydrogens of the amino group is replaced by an acetyl group. It has a role as a metabolite. It is a member of acetamides, a member of ethanolamines and a monocarboxylic acid amide.
Names & identifiers
- Preferred name
- Acetylethanolamine
- IUPAC
- N-(2-hydroxyethyl)acetamide
- English name
- 2-Acetylaminoethanol
- Molecular formula
- C4H9NO2
- Molecular weight
- 103.12
Names & synonyms
Show more names
Database identifiers
- CAS
142-26-7- PubChem CID
- 8880
- DTXSID
DTXSID6044804- ChEMBL
CHEMBL3188272- ChEBI
CHEBI:74687- UNII
- A9O0818TWD
- EC Number
- 205-530-8
- Nikkaji
- J2.542I
Properties
Computed structural properties
- XLogP
- -1.1
- Topological polar surface area
- 49.3 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 2
- Heavy atoms
- 7
- Formal charge
- 0
- Complexity
- 62.7
Experimental & physicochemical properties
Cosmetics
Cosmetic ingredients (Acetamide MEA) -> CIR (Cosmetic Ingredient Review)
Humectant; Antistatic
Color/Form
NEEDLES (ACETONE)
BROWN, VISCOUS LIQUID
Flash Point
176.6 °C
350 °F OC
Physicochemical properties
- Melting point
- 15.8 °C · 15.8 °C
- Boiling point
- 151 · 151-155 °C/5 mmHg (lit.)
- Density
- 1.12 g/mL · 1.12 g/mL at 25 °C (lit.)
- vapor pressure
- 0.368 · 0.368-10.5Pa at 25-70℃
- refractive index
- 20 · n20/D 1.472(lit.)
- Flash point
- 350 °F · 350 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform (Sparingly), Methanol (Slightly)
- pka
- 14.56 · 14.56±0.10(Predicted)
- form
- Liquid
- color
- Clear white to yellow
- Water Solubility
- 1 e+006 · Soluble in water, 1e+006 mg/L @ 25°C (est), soluble in alcohol and ether.
- Cosmetics Ingredients Functions
- SURFACTANT - CLEANSINGHAIR CONDITIONINGHUMECTANTSKIN CONDITIONINGSURFACTANT - FOAM BOOSTINGVISCOSITY CONTROLLING
- Cosmetic Ingredient Review (CIR)
- 2 · 2-Acetylaminoethanol (142-26-7)
- InChI
- 1S/C4H9NO2/c1-4(7)5-2-3-6/h6H,2-3H2,1H3,(H,5,7)
- InChIKey
- PVCJKHHOXFKFRP-UHFFFAOYSA-N
- SMILES
- CC(=O)NCCO
- LogP
- -0.117 at · -0.117 at 22.2℃ and pH5.4
- Surface tension
- 72.1 mN/m · 72.1mN/m at 1g/L and 21.4℃
- CAS DataBase Reference
- 142 · 142-26-7(CAS DataBase Reference)
- Indirect Additives used in Food Contact Substances
- 2 · 2-ACETAMIDOETHANOL
- FDA 21 CFR
- 175.105 · 175.105
- EWG's Food Scores
- 1 · 1
- FDA UNII
- 9 O0818TWD · A9O0818TWD
- NIST Chemistry Reference
- Acetamide, N-(2-hydroxyethyl)-(142-26-7)
- EPA Substance Registry System
- Acetamide, N-(2-hydroxyethyl)- (142-26-7)
- UNSPSC Code
- 12352100 · 12352100
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 5 · GHS05,GHS07
- Signal word
- Danger
- Hazard statements
- 315 · H315-H318-H335
- Precautionary statements
- 261 · P261-P280-P305+P351+P338
- target organs
- Respiratory system
- PPE
- Eyeshields, Gloves, type ABEK (EN14387) respirator filter
- Hazard Codes
- Xi
- Risk Statements
- 36 · 36/37/38-41-37/38
- Safety Statements
- 26 · 26-36
- WGK Germany
- 2 · 2
- RTECS
- 3120000 · AC3120000
- TSCA
- TSCA listed
- HS Code
- 29241990 · 29241990
- Storage Class
- 10 · 10 - Combustible liquids
- Hazard Classifications
- 1 Skin · Eye Dam. 1Skin Irrit. 2STOT SE 3
- Hazardous Substances Data
- 142 · 142-26-7(Hazardous Substances Data)
- REACH Registrations
- Active
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 40% (32 of 80) of reports.
Danger
H315 (51.2%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 80 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Acetamide, N-(2-hydroxyethyl)-
Acetamide, N-(2-hydroxyethyl)- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Acetamide, N-(2-hydroxyethyl)- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 08-10-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/24151
Acetylethanolamine: Does not have an individual approval but may be used under an appropriate group standard
NFPA Hazard Classification
1 - Materials that, under emergency conditions, can cause significant irritation.
1 - Materials that must be preheated before ignition can occur. Materials require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur.
0 - Materials that in themselves are normally stable, even under fire conditions.
Safety & protection
Storage Conditions
IN GENERAL, MATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMP INTO TOXIC COMPONENTS...SHOULD BE STORED IN A COOL, WELL-VENTILATED PLACE, OUT OF DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, & SHOULD BE PERIODICALLY INSPECTED... INCOMPATIBLE MATERIALS SHOULD BE ISOLATED FROM EACH OTHER.
Toxicology
Toxicity Summary
The CIR Expert Panel concluded that the ethanolamides listed subsequently are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating. The Expert Panel cautioned that these ingredients should not be used in cosmetic products in which N-nitroso compounds may be formed...Acetamide MEA
Safe for use in cosmetics, with qualifications
Non-Human Toxicity Excerpts
HYDROXYETHYL ACETAMIDE RATED 3 ON RABBIT EYES. /TESTED EXTERNALLY ON EYES OF RABBITS & HAVE BEEN RATED NUMERICALLY ON SCALE OF 1 TO 10 ACCORDING TO DEGREE OF INJURY OBSERVED AFTER 24 HR, PAYING PARTICULAR ATTENTION TO CONDITION OF CORNEA. MOST SEVERE INJURIES HAVE BEEN RATED 10./
WHEN INJECTED IV INTO RABBITS FOR 7 DAYS, N-ACETYLETHANOLAMINE (30-34 MG/G/DAY) DECR ASPARTATE LEVEL IN BRAIN & KIDNEY. ADMIN IN SINGLE INJECTION, N-ACETYLETHANOLAMINE INCR LEVELS OF GLUTAMATE, ASPARTATE, & GABA IN BRAIN.
N-ACETYLETHANOLAMINE (42 MG/KG) GIVEN IP TO RATS INCR GLYCOGEN & ATP IN LIVER, KIDNEYS, BRAIN, & HEART.
Safety data
- PPE
- Eyeshields, Gloves, type ABEK (EN14387) respirator filter
- wgk
- 2
- tsca
- TSCA listed
- rtecs
- AC3120000
- hs_code
- 29241990
- risk_code
- 36/37/38-41-37/38
- Signal word
- Danger
- Symbol(GHS)
- GHS05,GHS07
- hazard_code
- Xi
- safety_code
- 26-36
- Storage Class
- 10 - Combustible liquids
- target organs
- Respiratory system
- Hazard statements
- H315-H318-H335
- REACH Registrations
- Active
- Hazard Classifications
- Eye Dam. 1Skin Irrit. 2STOT SE 3
- Precautionary statements
- P261-P280-P305+P351+P338
- Hazardous Substances Data
- 142-26-7(Hazardous Substances Data)
Chemistry & industry
Uses & manufacturing
Uses
CIR ingredient: Acetamide MEA
Used as a plasticizer, humectant (paper products, glues, cork, and inks), and textile conditioner; [Hawley]
Pulp and Paper Processing [Category: Industry]
Applications
UsesIt finds its uses as antistatic agent, foam boosting agent, hair conditioning humectant, skin conditioning surfactant and viscosity controlling agent in cosmetics industry. It is a non-tacky glycerine alternative for use in skin and hair care. It has humectant and lubricant properties for use in shampoos, treatment products and hair conditioners.
Uses2-Acetylaminoethanol is a humectant recommended for use in emulsions.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers100 total
Additional notes
DefinitionChEBI: A member of the class of ethanolamines that is 2-aminoethanol in which one of the hydrogens of the amino group is replaced by an acetyl group.
Related reactions
Compound notes
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