Grundinformationen
- Standard-SMILES
CCOCOCC- InChIKey
KLKFAASOGCDTDT-UHFFFAOYSA-N- Summenformel
- C5H12O2
- Durchschnittliche Molmasse
- 104,15 g/mol
- Monoisotopische Masse
- 104,08372962
Überblick
Diethoxymethane appears as a colorless volatile liquid with an agreeable odor. Less dense than water. Vapors heavier than air. May be narcotic in high concentrations. Used as a solvent and in the manufacture of cosmetics.
Namen und Bezeichner
- Bevorzugter Name
- Diethoxymethane
- IUPAC
- ethoxymethoxyethane
- Lokaler Name
- Diethoxymethan
- Englischer Name
- Diethoxymethane
- Summenformel
- C5H12O2
- Molmasse
- 104.15
Namen und Synonyme
Weitere Namen anzeigen
Datenbank-Bezeichner
- CAS
462-95-3- PubChem CID
- 10024
- DTXSID
DTXSID6052112- UNII
- 56IT408V5Y
- EC Number
- 207-330-6
- Nikkaji
- J5.772J
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 0,8
- Polarare Oberfläche (TPSA)
- 18,5 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 2
- Frei drehbare Bindungen
- 4
- Schwere Atome
- 7
- Formalladung
- 0
- Komplexität
- 25,3
Experimentelle und physikochemische Eigenschaften
Physical Description
Diethoxymethane appears as a colorless volatile liquid with an agreeable odor. Less dense than water. Vapors heavier than air. May be narcotic in high concentrations. Used as a solvent and in the manufacture of cosmetics.
CBI; Liquid
Physikochemische Eigenschaften
- Schmelzpunkt
- -66.5 °C · -66.5 °C
- Siedepunkt
- 87 · 87-88 °C (lit.)
- Dichte
- 0.831 g/mL · 0.831 g/mL at 25 °C (lit.)
- Dampfdichte
- 3.6 · 3.6 (vs air)
- Dampfdruck
- 60 mm · 60 mm Hg ( 25 °C)
- Brechungsindex
- 20 · n20/D 1.373(lit.)
- Flammpunkt
- 22 °F · 22 °F
- storage temp.
- 30 °C · Store below +30°C.
- Löslichkeit
- 91 g/l · 91g/l
- Aggregatzustand
- Liquid
- Farbe
- Clear colorless
- Geruch (Odor)
- Very diffusive, sweet-ethereal odor, somewhat reminiscent of Acetone and Methyl acetate
- Geruchsart
- Sweet, ethereal, slightly fruity taste. Not very powerful
- Explosionsgrenze
- 1.5 % · 1.5%(V)
- Wasserlöslichkeit
- 4.2 G/100 · 4.2 G/100 ML
- BRN
- 1697253 · 1697253
- Henry's Law Constant
- 1.5 · 1.5×10-1 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
- Dielectric constant
- 2.53 · 2.5299999999999998
- Stabilität
- Stable. Highly flammable. Incompatible with strong oxidizing agents, strong acids.
- Kosmetik-Inhaltsstoffe Funktionen
- SOLVENT
- InChI
- 1S/C5H12O2/c1-3-6-5-7-4-2/h3-5H2,1-2H3
- InChIKey
- KLKFAASOGCDTDT-UHFFFAOYSA-N
- SMILES
- CCOCOCC
- LogP
- 0.84 · 0.84
- CAS Datenbank
- 462 · 462-95-3(CAS DataBase Reference)
- NIST chemische Informationen
- Diethoxymethane(462-95-3)
- EPA chemische Informationen
- 1 · Ethane, 1,1'-[methylenebis(oxy)]bis- (462-95-3)
Sicherheit und Regulatorisches
GHS-Klassifizierung
GHS Classification
Danger
H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 207 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Gefahrenhinweise
Regulatory Information
Chemical: Ethane, 1,1'-[methylenebis(oxy)]bis-
Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)
Ethane, 1,1'-[methylenebis(oxy)]bis- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ethane, 1,1'-[methylenebis(oxy)]bis- 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: 02-07-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/11805
Diethoxymethane: Does not have an individual approval but may be used under an appropriate group standard
The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
Fire Hazards
Excerpt from ERG Guide 127 [Flammable Liquids (Water-Miscible)]:
· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Health Hazards
Excerpt from ERG Guide 127 [Flammable Liquids (Water-Miscible)]:
· Inhalation or contact with material may irritate or burn skin and eyes.
DOT Hazard Classification
Diethoxymethane
UN2373
Class 3 Flammable and combustible liquid (49 eCFR § 173.120)
PG II: the degree of danger presented by the material is medium
Peroxide Forming Chemical
Diethoxymethane
D: Other compounds that may form peroxides
Kelly
https://cameochemicals.noaa.gov/chemical/3189
Hazard Classes and Categories
Flam. Liq. 2 (100%)
Flammable agents - 3rd degree, Reactive agents - 3rd degree
Sicherheit und Schutzausrüstung
Accidental Release Measures
· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.
· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.
First Aid
Excerpt from ERG Guide 127 [Flammable Liquids (Water-Miscible)]:
General First Aid:
Isolation and Evacuation
Excerpt from ERG Guide 127 [Flammable Liquids (Water-Miscible)]:
Immediate precautionary measure
Sicherheitsdaten
- F
- 3
- wgk
- 2
- tsca
- TSCA listed
- ridadr
- UN 2373
- hs_code
- 2911 00 00
- RTECS-Nr.
- PA8500000
- risk_code
- 11-36/37/38
- Toxizität
- LD50 orally in Rabbit: 3536 mg/kg LD50 dermal Rat > 16600 mg/kg
- hazard_code
- F,Xi
- safety_code
- 16-26-36-9-37/39-33
- hazard_class
- 3
- packing_group
- II
- Speicherklasse
- 3 - Flammable liquids
- Hazard Classifications
- Flam. Liq. 2
- Selbstentzündungstemperatur
- 346 °F
Chemie und Industrie
Verwendung und Herstellung
General Manufacturing Information
Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing
Ethane, 1,1'-[methylenebis(oxy)]bis-: ACTIVE
Anwendungen
VerwendenDiethoxymethane (DEM) is offered by Eastman Chemical Company as a cost-effective replacement solvent for monoglyme (1,2- dimethoxyethane) and methylal. The DEM diether is stable under alkaline conditions, but can be cleaved by strong acids. Diethoxymethane can be used as a chemical intermediate in many organic synthesis reactions. Diethoxymethane is useful as a solvent in lithium batteries with nonaqueous electrolytes, as a solvent for polymeric materials, and as a fuel additive. As a chemical intermediate DEM can act as an ethoxymethylating reagent for alcohols and phenols and serve as a source for formaldehyde in organic synthesis.
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