双(2-氯乙氧基)甲烷

Description

Bis(2-chloroethoxy) methane · CAS 111-91-1 · C5H10Cl2O2. UNII 5288KK0810. Boiling Point: 424.6 °F at 760 mmHg (NTP, 1992); Boiling Point: 218.1 °C; Boiling Point: 217.5 °C @760 [mm Hg].

Identification

CAS Registry Number	111-91-1
PubChem CID	8147
Molecular formula	C5H10Cl2O2
IUPAC name	1-chloro-2-(2-chloroethoxymethoxy)ethane
UNII (FDA)	5288KK0810

Computed Descriptors

Molecular Weight	173.03
XLogP3	1.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	6
Exact Mass	172.0057849
Monoisotopic Mass	172.0057849
Topological Polar Surface Area	18.5
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	424.6 °F at 760 mmHg (NTP, 1992)
Boiling Point	218.1 °C
Boiling Point	217.5 °C @760 [mm Hg]
Melting Point	Freezing point= -32.8 °C
Melting Point	-32.8 °C
Flash Point	230 °F (NTP, 1992)
Flash Point	230 °F (110 °C) (OPEN CUP)
Solubility	In water, 7,800 mg/l at 20 °C
Density	1.2339 @ 20 °C/20 °C
Density	1.2339 @ 20°C

Physical description & handling notes

• Bis(2-chloroethoxy)methane, [liquid] appears as a colorless liquid. Boiling point 217.5 °C, Flash point 230 °F. Density 1.23 g / cm3. May be toxic by ingestion or inhalation. Severely irritates skin, eyes, and mucous membranes. Used as a solvent.
• Colorless liquid; Water solubility = 7.8 g/L at 20 deg C; [HSDB] Colorless liquid; Slightly soluble in water; [MSDSonline]
• Colorless liquid
• ... Miscible with most organic solvents.
• When heated to decomp it emits... fumes of /hydrogen chloride/.
• Is decomposed by mineral acids.

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	0.9% (1 / 108)

GHS Hazard Classification

GHS notification summary	0.9% (1 / 108)
Reported hazard statements	H301 (99.1%), H312 (74.1%), H330 (72.2%), H370 (61.1%), H373 (73.1%), H310, H315, H319

Documented Uses

• Used as a solvent; as intermediate for polysulfide rubber; Approved by U.S. FDA (1998) for use in the manufacture of polysulfide polymer-polyepoxy resins which may be used as food-contact surface articles intended for packaging, transporting, holding, or otherwise contacting dry food; [HSDB]
• Solvent; intermediate for polysulfide rubber.
• Over 95% of the polysulfide polymers are made from bis(2- chloroethoxy)methane and sodium polysulfide.
• U.S. FDA (1998) approved the use of BCEM in the manufacture of polysulfide polymer-polyepoxy resins which may be used as food-contact surface of articles intended for packaging, transporting, holding, or otherwise contacting dry food... .
• REACTION OF ETHYLENE CHLOROHYDRIN WITH FORMALDEHYDE IN THE PRESENCE OF AN ACID CATALYST
• Made by the reaction of ethylene chlorohydrin and formaldehyde under acid catalysis ... ethylene chlorohydrin is made by the reaction of HCl and ethylene oxide ... the bis(2-chloroethoxy)methane is purified to remove any residual ethylene chlorohydrin

Synonyms

BIS(2-CHLOROETHOXY)METHANE; 111-91-1; Dichloroethylformal; Dichloroethyl formal; 2,2-Dichloroethylformal; Bis(2-chloroethyl) formal; Di-2-chloroethyl formal; Methane, bis(2-chloroethoxy)-; Di(2-chloroethyl)formal; Bis(2-chloroethyl)formal; Dichlorodiethyl formal; Dichlorodiethyl methylal; Formaldehyde bis(2-chloroethyl) acetal; Bis(2-chloroethoxy)-methane; 2,2-Dichloroethyl formal; DTXSID4023917

Frequently Asked Questions

What are the CAS number and molecular formula of Bis(2-chloroethoxy) methane?

CAS 111-91-1; molecular formula C5H10Cl2O2; molecular weight — g/mol.

What other names is Bis(2-chloroethoxy) methane known by?

BIS(2-CHLOROETHOXY)METHANE, 111-91-1, Dichloroethylformal, Dichloroethyl formal, 2,2-Dichloroethylformal, Bis(2-chloroethyl) formal.

What is the regulatory status of Bis(2-chloroethoxy) methane?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Bis(2-chloroethoxy) methane classified as hazardous?

0.9% of GHS notifications report no hazard classification (1 of 108).

What are the key physical properties of Bis(2-chloroethoxy) methane?

Boiling Point: 424.6 °F at 760 mmHg (NTP, 1992); Boiling Point: 218.1 °C; Boiling Point: 217.5 °C @760 [mm Hg]; Melting Point: Freezing point= -32.8 °C.

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.