二甘醇单丁醚

Description

Diethylene glycol monobutyl ether · CAS 112-34-5 · C8H18O3. UNII 9TB90IYC0E. Boiling Point: 448 °F at 760 mmHg (NTP, 1992); Boiling Point: 230.4 °C; Boiling Point: 230 °C.

Identification

CAS Registry Number	112-34-5
PubChem CID	8177
Molecular formula	C8H18O3
IUPAC name	2-(2-butoxyethoxy)ethanol
UNII (FDA)	9TB90IYC0E

Computed Descriptors

Molecular Weight	162.23
XLogP3	0.6
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	8
Exact Mass	162.125594432
Monoisotopic Mass	162.125594432
Topological Polar Surface Area	38.7
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Boiling Point	448 °F at 760 mmHg (NTP, 1992)
Boiling Point	230.4 °C
Boiling Point	230 °C
Boiling Point	448 °F
Boiling Point	230.6 °C @760 [mm Hg]
Melting Point	-90.6 °F (NTP, 1992)
Melting Point	-68.1 °C
Melting Point	-68 °C
Melting Point	-90.6 °F
Flash Point	172 °F (NTP, 1992)

Physical description & handling notes

• Diethylene glycol monobutyl ether is a colorless liquid with a mild pleasant odor. Mixes with water. (USCG, 1999)
• Liquid; Other Solid; Gas Vapor; Liquid; Liquid; Other Solid; CBI
• Colorless liquid with a mild pleasant odor; [CAMEO]
• COLOURLESS LIQUID.
• Colorless liquid
• Clear liquid

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	0.1% (2 / 4089)

GHS Hazard Classification

GHS notification summary	0.1% (2 / 4089)
Reported hazard statements	H319, H227, H336, H372, H371

Documented Uses

• Used as a solvent and diluent for polymers, resins, coatings, inks, cleaners, and metalworking fluids; [HSDB] Used as a solvent (nitrocellulose, oils, dyes, gums, soaps, and polymers) and coalescing agent in latex paints; In paints containing 1.5% w/w, painters exposed to 4-5 mg/m3; [ACGIH]
• Metal Machining [Category: Heat or Machine]
• Semiconductor Manufacturing [Category: Industry]
• Painting (Solvents) [Category: Paint]
• Plastic Composites Manufacturing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]

Synonyms

2-(2-Butoxyethoxy)ethanol; 112-34-5; DIETHYLENE GLYCOL MONOBUTYL ETHER; Diethylene glycol butyl ether; Butyl carbitol; Butoxydiglycol; Butyl diglycol; Butyl dioxitol; Butyl digol; Glycol ether DB; BUCB; Dowanol DB; Butoxyethoxyethanol; Ethanol, 2-(2-butoxyethoxy)-; Jeffersol db; Ektasolve DB

Frequently Asked Questions

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

CAS 112-34-5; molecular formula C8H18O3; molecular weight — g/mol.

What other names is Diethylene glycol monobutyl ether known by?

2-(2-Butoxyethoxy)ethanol, 112-34-5, DIETHYLENE GLYCOL MONOBUTYL ETHER, Diethylene glycol butyl ether, Butyl carbitol, Butoxydiglycol.

What is the regulatory status of Diethylene glycol monobutyl ether?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Diethylene glycol monobutyl ether classified as hazardous?

0.1% of GHS notifications report no hazard classification (2 of 4089).

What are the key physical properties of Diethylene glycol monobutyl ether?

Boiling Point: 448 °F at 760 mmHg (NTP, 1992); Boiling Point: 230.4 °C; Boiling Point: 230 °C; Boiling Point: 448 °F.

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.