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Diethylene glycol monobutyl ether

Diethylene glycol monobutyl ether Struktur
112-34-5
CAS-Nr.
112-34-5
Englisch Name:
Diethylene glycol monobutyl ether
Synonyma:
DIETHYLENE GLYCOL MONOBUTYL ETHER;DB;BUTYL CARBITOL;BUTYLDIGLYCOL;2-(2-BUTOXYETHOXY)ETHANOL;Ethanol, 2-(2-butoxyethoxy)-;DIETHYLENE GLYCOL BUTYL ETHER;DGBE;Butoxyethoxyethanol;DIETHYLENE GLYCOL MONO-N-BUTYL ETHER
CBNumber:
CB5852864
Summenformel:
C8H18O3
Molgewicht:
162.23
MOL-Datei:
112-34-5.mol

Diethylene glycol monobutyl ether Eigenschaften

Schmelzpunkt:
-68 °C (lit.) -68 °C (lit.)
Siedepunkt:
231 °C (lit.)
Dichte
0.967 g/mL at 25 °C (lit.)
Dampfdichte
5.6 (vs air)
Dampfdruck
30 mm Hg ( 130 °C)
Brechungsindex
n20/D 1.432
Flammpunkt:
212 °F
storage temp. 
Store below +30°C.
L?slichkeit
soluble in Chloroform
Aggregatzustand
Liquid
pka
14.37±0.10(Predicted)
Farbe
Clear Colorless
S?ure-Base-Indikators(pH-Indikatoren)
7
Geruch (Odor)
Mild, characteristic; pleasant.
Explosionsgrenze
0.7-5.9%(V)
Wasserl?slichkeit
soluble
Merck 
14,1557
BRN 
1739225
Expositionsgrenzwerte
ACGIH: TWA 10 ppm
Stabilit?t:
Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
InChIKey
OAYXUHPQHDHDDZ-UHFFFAOYSA-N
LogP
1 at 20℃
CAS Datenbank
112-34-5(CAS DataBase Reference)
NIST chemische Informationen
2-(2-Butoxyethoxy)ethanol(112-34-5)
EPA chemische Informationen
Diethylene glycol monobutyl ether (112-34-5)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi
R-S?tze: 36
S-S?tze: 24-26
WGK Germany  1
RTECS-Nr. KJ9100000
Selbstentzündungstemperatur 400 °F
TSCA  Yes
HS Code  29094300
Giftige Stoffe Daten 112-34-5(Hazardous Substances Data)
Toxizit?t LD50 orally in rats, guinea pigs: 6.56, 2.00 g/kg (Smyth)
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P305+P351+P338,P337+P313P
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach M?glichkeit entfernen. Weiter spülen.
P337+P313 Bei anhaltender Augenreizung: ?rztlichen Rat einholen/?rztliche Hilfe hinzuziehen.

Diethylene glycol monobutyl ether Chemische Eigenschaften,Einsatz,Produktion Methoden

ERSCHEINUNGSBILD

FARBLOSE FLüSSIGKEIT.

CHEMISCHE GEFAHREN

Bildung explosionsf?higer Peroxide wahrscheinlich. Reagiert mit starken Oxidationsmitteln.

ARBEITSPLATZGRENZWERTE

TLV nicht festgelegt (ACGIH 2005).
MAK: 100 mg/m? Spitzenbegrenzung: überschreitungsfaktor I(1); Schwangerschaft: Gruppe C; (DFG 2005).
EG Arbeitsplatz-Richtgrenzwerte: 67.5 mg/m? 10 ppm (als TWA); 101.2 mg/m? 15 ppm (als STEL); (EG 2006)

INHALATIONSGEFAHREN

Beim Verdampfen bei 20°C tritt langsam eine gesundheitssch?dliche Kontamination der Luft ein; viel schneller jedoch beim Versprühen oder Dispergieren.

WIRKUNGEN BEI KURZZEITEXPOSITION

WIRKUNGEN BEI KURZZEITEXPOSITION:
Die Substanz reizt die Augen.

WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION

Die Flüssigkeit entfettet die Haut.

LECKAGE

Ausgelaufene Flüssigkeit m?glichst in abdichtbaren Beh?ltern sammeln. Reste mit viel Wasser wegspülen.

R-S?tze Betriebsanweisung:

R36:Reizt die Augen.

S-S?tze Betriebsanweisung:

S24:Berührung mit der Haut vermeiden.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.

Chemische Eigenschaften

Diethylene glycol monobutyl ether is a colorless, high-boiling liquid with a mild odour. It is miscible in proportions with water, alcohol (methanol), ketones (acetone), ethers (ethyl ether), aromatic hydrocarbons (benzene), paraffinic hydrocarbons (n-heptane), and halogenated hydrocarbons (carbon tetrachloride). As it is an ether-alcohol type compound it possesses solvent action for many substances such as oils, dyes, gums, and natural and synthetic resins. It is used as a high-boiling solvent in nitrocellulose lacquers and other synthetic coatings, baking lacquers, flash-dry printing inks, and dye bath.

Verwenden

Diethylene glycol monobutyl ether(DGBE) is widely used as a solvent for cellulose ester, lacquers, varnishes, cleaners, detergents, dyes, ink, and paint industries. it is also used as an intermediate for plasticizers and a diluent for hydraulic brake fluids, in addition to the production of piperonyl butoxy compounds. In France, its use in the cosmetics industry is permissible, wherein it is used as a solvent in hair dyes with a maximum concentration of 9%.

Application

Diethylene glycol mono-n-butyl ether has a wide variety of applications in Chiral chemistry and green chemistry. It is also used in cosmetics. It is used as diluents and leveling agents in the manufacture of paints and in baking. It is also used in the manufacture of nitrocellulose. In brake fluid, it is used as an additive. It is used in the printing industry due to its slow evaporation rate. It is also used as a fixative for perfumes and antiseptics. It is used as an additive to prevent ice buildup in jet fuel.

synthetische

Diethylene glycol monobutyl ether is prepared by co-heating ethylene oxide and ethylene glycol butyl ether under pressure.

Allgemeine Beschreibung

Diethylene glycol monobutyl ether is a colorless liquid with a mild pleasant odor. Mixes with water. (USCG, 1999)

Air & Water Reaktionen

Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick, 1979 p.151-154, 164]. Water soluble.

Reaktivit?t anzeigen

Butyldiglycol is a ether-alcohol derivative. The ether being relatively unreactive. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert alcohols to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides.

Health Hazard

Diethylene glycol monobutyl ether(DGBE) is an eye irritant. It showed low toxicity in test species.Toxic symptoms are similar to those ofother glycol ethers containing two etherealoxygen atoms. Inhalation for brief periods has no significant effect. Contact with liquid causes moderate irritation of eyes and corneal injury. Prolonged contact with skin causes only minor irritation. The high dosescaused pulmonary congestion. No renaldamage was reported. There is no reporton teratogenicity of this compound.

Brandgefahr

Butyldiglycol is combustible.

Kontakt-Allergie

This organic solvent belongs to the carbitols group and is included in waterbased liquids such as paints, surface cleaners, polishes, and disinfectants. It is considered to be an exceptional allergen.

Sicherheitsprofil

Moderately toxic by ingestion and intraperitoneal routes. Mddly toxic by skin contact. A severe eye irritant. Combustible when exposed to heat or flame; can react with oxidizing materials. To fight fire, use alcohol foam, CO2, or dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also GLYCOL ETHERS.

l?uterung methode

Dry the ether with anhydrous K2CO3 or CaSO4, filter and fractionally distil it. Peroxides can be removed by refluxing with stannous chloride or a mixture of FeSO4 and KHSO4 (or, less completely, by filtration under slight pressure through a column of activated alumina). [Beilstein 1 IV 2394.]

Waste disposal

DGBE is mixed with a combustible solventand burned in a chemical incinerator. Smallamounts may be disposed down the drainwith large amounts of water.

Diethylene glycol monobutyl ether Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Diethylene glycol monobutyl ether Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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