1,4-Butanediol dimethacrylate

Pharmaceutical Materials 2025-03-02

CAS Number: 2082-81-7.

Molecular Formula: C12H18O4.

Molecular Weight: 226.27 g/mol.

Appearance: Colorless to pale yellow liquid. Usage: It is widely used as a crosslinking agent, plasticizer, and modifier in various industries.

Name 1,4-Butanediol dimethacrylate
Synonyms 1,4-Butanediol dimet
4-Butanediol diMethacrylate
butanediyl dimethylacrylate
Butyleneglycol Dimethacrylate
tetramethylene dimethacrylate
1,4-Butanediol dimethacrylate
1,4-Butanediol bismethacrylate
1,4-Butanediol dimethylacrylate
Dimethacrylic acid 1,4-butanediyl
Bismethacrylic acid 1,4-butanediyl
Bismethacrylic acid tetramethylene ester
butane-1,1-diyl bis(2-methylprop-2-enoate)
2-methylacrylic acid 4-methacryloyloxybutyl ester
4-(2-methylprop-2-enoyloxy)butyl 2-methylprop-2-enoate

Physico-chemical Properties

Molecular Formula C12H18O4
Molar Mass 226.27
Density 1.023 g/mL at 25 °C (lit.)
Melting Point −117°C(lit.)
Boling Point 132-134 °C/4 mmHg (lit.)
Flash Point 38°F
Water Solubility 243mg/L at 20℃
Solubility Chloroform (Sparingly), Methanol (Slightly)
Vapor Presure 430 mm Hg ( 25 °C)
Vapor Density 2.09 (vs air)
Appearance Liquid
Color Clear colorless to slightly yellow
Merck 14,9710
BRN 956566
pKa 9.8(at 25℃)
Storage Condition 2-8°C
Sensitive Sensitive to light
Refractive Index n20/D 1.456(lit.)
MDL MFCD00008594

​Risk and Safety

Hazard Symbols Xi – Irritant
Risk Codes R36/37/38 – Irritating to eyes, respiratory system and skin.
R43 – May cause sensitization by skin contact
Safety Description S3 – Keep in a cool place.
S16 – Keep away from sources of ignition.
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S29 – Do not empty into drains.
S39 – Wear eye / face protection.
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
UN IDs UN 2924 3/PG 2
WGK Germany 2
RTECS PA0350000
FLUKA BRAND F CODES 9-34
HS Code 29161400
Hazard Class 3
Packing Group I

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