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3445-11-2

Basic Information
CAS No.: 3445-11-2
Name: N-(2-Hydroxyethyl)-2-pyrrolidone
Article Data: 25
Molecular Structure:
Molecular Structure of 3445-11-2 (N-(2-Hydroxyethyl)-2-pyrrolidone)
Formula: C6H11 N O2
Molecular Weight: 129.159
Synonyms: 1-(2-Hydroxyethyl)-2-pyrrolidinone;1-(2-Hydroxyethyl)-2-pyrrolidone; 1-(b-Hydroxyethyl)-2-pyrrolidone; 2-(2-Oxopyrrolidin-1-yl)ethanol;HEP; N-(2-Hydroxyethyl)-2-pyrrolidinone; N-(2-Hydroxyethyl)-2-pyrrolidone; N-(b-Hydroxyethyl)-2-pyrrolidinone;N-(b-Hydroxyethyl)-2-pyrrolidone
EINECS: 222-359-4
Density: 1.143
Melting Point: 19-21°C
Boiling Point: 140-142 ºC (3 mmHg)
Flash Point: 100 ºC
Solubility: 1000g/L at 20℃
Appearance: deep brown to yellow liquid
Hazard Symbols:
Risk Codes: R36/37/38   
Safety: Low toxicity by ingestion. An eye irritant. When heated to decomposition it emits toxic vapors of NOx.
PSA: 40.54000
LogP: -0.46100
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Chemistry

Chemical Name: N-(2-Hydroxyethyl)-2-pyrrolidone
IUPAC NAME: 1-(2-Hydroxyethyl)pyrrolidin-2-one
CAS No.: 3445-11-2
EINECS: 222-359-4
RTECS: UY5776500
Molecular Formula: C6H11NO2
Molecular Weight: 129.16 g/mol
Melting Point: 19-21°C
Density: 1.159 g/cm3 
Flash Point: 132.8 °C
Boiling Point: 296 °C at 760 mmHg 
Following is the structure of 1-(2-Hydroxyethyl)-2-pyrrolidinone (3445-11-2):


Product Categories about 1-(2-Hydroxyethyl)-2-pyrrolidinone (3445-11-2) are Building Blocks ; Heterocyclic Building Blocks ; Pyrrolidines
The chemical synonymous of 1-(2-Hydroxyethyl)-2-pyrrolidinone (3445-11-2) are N-Hydroxyethyl pyrrolidone ; N-(2-Hydroxyethyl)-2-pyrrolidone ; 1-(2-Hydroxyethyl)-2-pyrrolidinone ; 1-(2-Hydroxyethyl)-2-pyrrolidone ; (2-Hydroxyethyl)-2-pyrrolidone ; 1-(2-Hydroxyethyl)-2-pyrrolidinon ; 2-Pyrrolidinone, 1-(2-hydroxyethyl)- ; N-2-Hydroxyethylpyrrolidin-2-one

Toxicity Data With Reference

1.    

eye-rbt 100 mg MLD

    EPASR*    United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-0682-0448S .
2.    

orl-rat LD50:14,430 mg/kg

    EPASR*    United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-0682-0448S .

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Low toxicity by ingestion. An eye irritant. When heated to decomposition it emits toxic vapors of NOx.
Hazard Note: Primary Irritant
Hazard Codes:
Xi: Irritant
Risk Statements about 1-(2-Hydroxyethyl)-2-pyrrolidinone (3445-11-2):
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about 1-(2-Hydroxyethyl)-2-pyrrolidinone (3445-11-2):
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 Wear suitable protective clothing.
Attentions:
1. Storage: Keep tightly closed. Store in a cool dry place.
2. Handling: Causes skin irritation. Multiple Routes: May be harmful by inhalation, ingestion, or skin absorption. Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract.