1,4-丁二醇二甲基丙烯酸酯

Description

1,4-Butanediol dimethacrylate · CAS 2082-81-7 · C12H18O4. UNII KX6732HE0U. Boiling Point: 110 °C @ 3 MM HG; Density: 1.011 @ 25 °C/15.6 °C.

Identification

CAS Registry Number	2082-81-7
PubChem CID	16387
Molecular formula	C12H18O4
IUPAC name	4-(2-methylprop-2-enoyloxy)butyl 2-methylprop-2-enoate
UNII (FDA)	KX6732HE0U

Computed Descriptors

Molecular Weight	226.27
XLogP3	3.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	9
Exact Mass	226.12050905
Monoisotopic Mass	226.12050905
Topological Polar Surface Area	52.6
Heavy Atom Count	16
Formal Charge	0

Physical & Chemical Properties

Boiling Point	110 °C @ 3 MM HG
Density	1.011 @ 25 °C/15.6 °C

Physical description & handling notes

• Liquid; CBI; Wet Solid
• Liquid; [HSDB] Colorless liquid; [Aldrich MSDS]
• Liquid
• METHYL METHACRYLATE, AND IN GENERAL THE METHACRYLIC ESTERS, POLYMERIZE MUCH LESS READILY THAN THE CORRESPONDING ORDINARY ACRYLATES. NONE THE LESS, THEY ARE STABILIZED BY ADDING HYDROQUINONE OR PYROGALLOL, PARTICULARLY IN THE PRESENCE OF METALLIC COPPER. /METHACRYLATES/
• INDEX OF REFRACTION: 1.4502 @ 25 °C
• Index of refraction: 1.4872 at 20 °C/D

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS 1,4-Butanediol dimethacrylate (CAS Reg. No. 2082-81-7) As a component of a coating on articles used in contact with food. As a component of low density polyethylene (LDPE) coatings for use in contact with food, except for use in con
GHS notification summary	7% (24 / 341)

GHS Hazard Classification

GHS notification summary	7% (24 / 341)
Reported hazard statements	H317, H315 (59.5%), H319 (59.5%), H335 (59.2%), H361, H401

Documented Uses

• Used as a monomer for resins and crosslinking agent for UV curable coatings and polymer used in contact lenses; [HSDB]
• Plastic Composites Manufacturing [Category: Industry]
• CROSSLINKING AGENT FOR POLYMER USED IN CONTACT LENSES.
• CROSSLINKING AGENT FOR UV CURABLE COATINGS.
• The methacrylates can be synthesized by catalytic oxidation of isobutylene and subsequent esterification with the appropriate alcohol, or by reacting acetone with hydrocyanic acid and subsequent esterification in sulfuric acid with the appropriate alcohol. /Methacrylic esters/
• TRANSESTERIFICATION OR ESTERIFICATION OF 1,4-BUTANEDIOL WITH EITHER METHYL METHACRYLATE OR METHACRYLIC ACID.

Synonyms

1,4-BUTANEDIOL DIMETHACRYLATE; 2082-81-7; 2-Propenoic acid, 2-methyl-, 1,4-butanediyl ester; 1,4-Butylene glycol dimethacrylate; Butylene dimethacrylate; 1,4-Butylene dimethacrylate; Tetramethylene glycol dimethacrylate; Butanediol dimethacrylate; Tetramethylene methacrylate; KX6732HE0U; Methacrylic acid, tetramethylene ester; Oligotetramethylene glycol dimethacrylate; X 970; butanediyl dimethacrylate; RefChem:73158; 1,4-BDMA

Frequently Asked Questions

What are the CAS number and molecular formula of 1,4-Butanediol dimethacrylate?

CAS 2082-81-7; molecular formula C12H18O4; molecular weight — g/mol.

What other names is 1,4-Butanediol dimethacrylate known by?

1,4-BUTANEDIOL DIMETHACRYLATE, 2082-81-7, 2-Propenoic acid, 2-methyl-, 1,4-butanediyl ester, 1,4-Butylene glycol dimethacrylate, Butylene dimethacrylate, 1,4-Butylene dimethacrylate.

What is the regulatory status of 1,4-Butanediol dimethacrylate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS; 1,4-Butanediol dimethacrylate (CAS Reg. No. 2082-81-7).

Is 1,4-Butanediol dimethacrylate classified as hazardous?

7% of GHS notifications report no hazard classification (24 of 341).

What are the key physical properties of 1,4-Butanediol dimethacrylate?

Boiling Point: 110 °C @ 3 MM HG; Density: 1.011 @ 25 °C/15.6 °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.