甲基丙烯酸2-乙基己酯

Description

2-Ethylhexyl methacrylate · CAS 688-84-6 · C12H22O2. UNII 8Q7XLQ325N. Boiling Point: 110 °C @ 14 mm Hg; Boiling Point: 113-224 °C; Flash Point: 92 °C.

Identification

CAS Registry Number	688-84-6
PubChem CID	12713
Molecular formula	C12H22O2
IUPAC name	2-ethylhexyl 2-methylprop-2-enoate
UNII (FDA)	8Q7XLQ325N

Computed Descriptors

Molecular Weight	198.30
XLogP3	4.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	8
Exact Mass	198.161979940
Monoisotopic Mass	198.161979940
Topological Polar Surface Area	26.3
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Boiling Point	110 °C @ 14 mm Hg
Boiling Point	113-224 °C
Flash Point	92 °C
Density	0.880 g/cu cm @ 25 °C
Vapor Density	6.8 (Air= 1)
Vapor Pressure	0.07 [mmHg]
Vapor Pressure	0.076 mm Hg @ 25 °C /Estimated/
LogP	log Kow = 4.54
LogP	4.2-4.8
LogP	4.67

Physical description & handling notes

• Liquid; CBI
• Liquid; [ICSC] Colorless liquid with an odor of ether; [MSDSonline]
• LIQUID.
• Solubility in water: none
• Relative density (water = 1): 0.9
• Relative vapor density (air = 1): 6.8

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H315 (41.7%), H317 (83.1%), H319 (41.7%), H335 (38.8%), H412 (28.5%), H227, H361, H401

Documented Uses

• Used as monomer for polymers used in latex paints, lacquers, polishes, coating resins for food contact, and viscosity index improvers; [HSDB]
• Plastic Composites Manufacturing [Category: Industry]
• COMONOMER FOR ACRYLIC POLYMERS USED IN LATEX PAINTS.
• COMONOMER FOR ACRYLIC POLYMERS USED IN LACQUERS.
• MONOMER FOR POLYMERS USED AS VISCOSITY INDEX IMPROVERS.
• Used as a comonomer in the production of acrylic polymers for surface coating resins intended for use in contact with food and acrylic emulsion polymer for polishes.

Synonyms

2-ETHYLHEXYL METHACRYLATE; 688-84-6; 2-Ethylhexyl methacryate; 2-Ethyl-1-hexyl methacrylate; Methacrylic acid, 2-ethylhexyl ester; 2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester; Methacrylate, 2-ethylisohexy; ethylhexyl methacrylate; HSDB 5440; EINECS 211-708-6; NSC 24173; NSC 32647; BRN 1769420; 8Q7XLQ325N; ACRYESTER EH; AI3-03266

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Ethylhexyl methacrylate?

CAS 688-84-6; molecular formula C12H22O2; molecular weight — g/mol.

What other names is 2-Ethylhexyl methacrylate known by?

2-ETHYLHEXYL METHACRYLATE, 688-84-6, 2-Ethylhexyl methacryate, 2-Ethyl-1-hexyl methacrylate, Methacrylic acid, 2-ethylhexyl ester, 2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester.

What is the regulatory status of 2-Ethylhexyl methacrylate?

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

Is 2-Ethylhexyl methacrylate classified as hazardous?

Hazard statements reported: H315, H317, H319, H335, H412.

What are the key physical properties of 2-Ethylhexyl methacrylate?

Boiling Point: 110 °C @ 14 mm Hg; Boiling Point: 113-224 °C; Flash Point: 92 °C; Density: 0.880 g/cu cm @ 25 °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.