乙烷，二甲氧基-

Description

Ethane, dimethoxy- · CAS 25154-53-4 · C4H10O2. UNII ZO2AW8UR5T. Boiling Point: 64.5 °C; Boiling Point: 64.00 to 65.00 °C. @ 760.00 mm Hg; Boiling Point: 64 °C.

Identification

CAS Registry Number	25154-53-4
PubChem CID	10795
Molecular formula	C4H10O2
IUPAC name	1,1-dimethoxyethane
UNII (FDA)	ZO2AW8UR5T
FEMA number	3426
JECFA number	940

Computed Descriptors

Molecular Weight	90.12
XLogP3	0.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	90.068079557
Monoisotopic Mass	90.068079557
Topological Polar Surface Area	18.5
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	64.5 °C
Boiling Point	64.00 to 65.00 °C. @ 760.00 mm Hg
Boiling Point	64 °C
Melting Point	-113.2 °C
Flash Point	BELOW 80 °F
Solubility	1000 mg/mL at 25 °C
Density	0.85015 @ 20 °C/4 °C
Density	0.850-0.860
Vapor Density	3.1 (AIR= 1)
Vapor Pressure	171.0 [mmHg]

Physical description & handling notes

• 1,1-dimethoxyethane appears as a liquid with a sharp odor. Less dense than water. Mildly toxic by ingestion and inhalation. Severely irritates the skin and eyes. Used to make other chemicals.
• Liquid
• Colorless liquid with a strong aromatic odor; [Hawley]
• volatile colourless liquid with a sharp, green, ethereal odour
• COLORLESS LIQ
• MOBILE LIQ

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 909-JECFA 57/107

GHS Hazard Classification

Reported hazard statements	H225

Documented Uses

• Used in medicine, organic synthesis, flavors, and fragrances; [HSDB] Used as Mering's mixture; [Merck Index]
• FLAVORING INGREDIENT...FRUIT FLAVORS, APPLE, WHISKEY, ORANGE
• CHEMICAL INTERMEDIATE FOR ORGANIC SYNTHESIS
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• BY HEATING ACETALDEHYDE WITH METHYL ALC AND GLACIAL ACETIC ACID, & DISTILLING.

Synonyms

1,1-DIMETHOXYETHANE; 534-15-6; Dimethyl acetal; Acetaldehyde dimethyl acetal; Dimethylacetal; Ethylidene dimethyl ether; Ethane, 1,1-dimethoxy-; Dimethyl aldehyde; Methyl formyl; Acetaldehyde methyl acetal; 3-Methyl-2,4-dioxapentane; Acetaldehyde, dimethyl acetal; FEMA No. 3426; DTXSID7027178; ZO2AW8UR5T; DTXCID207178

Frequently Asked Questions

What are the CAS number and molecular formula of Ethane, dimethoxy-?

CAS 25154-53-4; molecular formula C4H10O2; molecular weight — g/mol.

What other names is Ethane, dimethoxy- known by?

1,1-DIMETHOXYETHANE, 534-15-6, Dimethyl acetal, Acetaldehyde dimethyl acetal, Dimethylacetal, Ethylidene dimethyl ether.

What is the regulatory status of Ethane, dimethoxy-?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is Ethane, dimethoxy- classified as hazardous?

Hazard statements reported: H225.

What are the key physical properties of Ethane, dimethoxy-?

Boiling Point: 64.5 °C; Boiling Point: 64.00 to 65.00 °C. @ 760.00 mm Hg; Boiling Point: 64 °C; Melting Point: -113.2 °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.