二甘醇

Description

Diethylene glycol · CAS 111-46-6 · C4H10O3. UNII 61BR964293. Boiling Point: 473 °F at 760 mmHg (NTP, 1992); Boiling Point: 245.8 °C; Boiling Point: 245 °C.

Identification

CAS Registry Number	111-46-6
PubChem CID	8117
Molecular formula	C4H10O3
IUPAC name	2-(2-hydroxyethoxy)ethanol
UNII (FDA)	61BR964293

Computed Descriptors

Molecular Weight	106.12
XLogP3	-1.3
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	4
Exact Mass	106.062994177
Monoisotopic Mass	106.062994177
Topological Polar Surface Area	49.7
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	473 °F at 760 mmHg (NTP, 1992)
Boiling Point	245.8 °C
Boiling Point	245 °C
Melting Point	14 °F (NTP, 1992)
Melting Point	-10.4 °C
Melting Point	-6.5 °C
Flash Point	290 °F (NTP, 1992)
Flash Point	124 °C
Flash Point	124 °C c.c.
Density	1.1197 g/cu cm at 15 °C

Physical description & handling notes

• Diethylene glycol appears as a colorless liquid. Denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals.
• CBI; Liquid; Wet Solid; Liquid
• Very hygroscopic, colorless liquid; [Hawley]
• ODOURLESS COLOURLESS VISCOUS HYGROSCOPIC LIQUID.
• Colorless syrupy liquid
• Practically odorless

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: STABILIZER OR THICKENER FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS CARRIER_SOLVENT: Food Additives ETHYLENE OXIDE POLYMER

GHS Hazard Classification

Reported hazard statements	H302, H361, H372

Documented Uses

• Petroleum Production and Refining [Category: Industry]
• Pulp and Paper Processing [Category: Industry]
• Painting (Solvents) [Category: Paint]
• Working with Glues and Adhesives [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Production of polyurethane and unsaturated polyester resins, triethylene glycol; textile softener; petroleum solvent extraction; dehydration of natural gas, plasticizers, and surfactants; solvent for nitrocellulose and many dyes and oils; humectant for tobacco, casein, synthetic sponges, paper products; cork compositions, bookbinding adhesives, dyeing assistant, cosmetics, antifreeze solutions.

Synonyms

DIETHYLENE GLYCOL; 111-46-6; 2,2'-Oxydiethanol; 2-(2-Hydroxyethoxy)ethanol; 2,2'-Oxybisethanol; Diglycol; Diethylenglykol; Digol; Bis(2-hydroxyethyl) ether; 2-Hydroxyethyl ether; Glycol ether; Ethanol, 2,2'-oxybis-; Ethylene diglycol; Digenos; Dicol; Brecolane ndg

Frequently Asked Questions

What are the CAS number and molecular formula of Diethylene glycol?

CAS 111-46-6; molecular formula C4H10O3; molecular weight — g/mol.

What other names is Diethylene glycol known by?

DIETHYLENE GLYCOL, 111-46-6, 2,2'-Oxydiethanol, 2-(2-Hydroxyethoxy)ethanol, 2,2'-Oxybisethanol, Diglycol.

What is the regulatory status of Diethylene glycol?

Documented regulatory listings: FDA Substance added to food: STABILIZER OR THICKENER; FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Diethylene glycol classified as hazardous?

Hazard statements reported: H302, H361, H372.

What are the key physical properties of Diethylene glycol?

Boiling Point: 473 °F at 760 mmHg (NTP, 1992); Boiling Point: 245.8 °C; Boiling Point: 245 °C; Melting Point: 14 °F (NTP, 1992).

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.