496758

Bis[2-(methacryloyloxy)ethyl] phosphate

• Synonym(s): 2-Hydroxyethyl methacrylate phosphate, Bis(2-methacryloyloxyethyl) acid phosphate, Bis(2-methacryloyloxyethyl) hydrogen phosphate, Bis(methacryloyloxyethyl) hydrogen phosphate, Bis(methacryloyloxyethyl) phosphate, Bis[2-(methacryloyloxy)ethyl] phosphate, Di(2-methacryloyloxyethyl) phosphate, Di-2-methacryloyloxyethyl acid phosphate
• Linear Formula: [H₂C=C(CH₃)CO₂CH₂CH₂O]₂P(O)OH
• CAS Number: 32435-46-4
• Molecular Weight: 322.25
• EC Number: 251-040-2
• MDL number: MFCD00128922
• UNSPSC Code: 12162002
• PubChem Substance ID: 24873081
• NACRES: NA.23

Properties

• refractive index: n20/D 1.47 (lit.)
• bp: 221 °C (lit.)
• density: 1.28 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: CC(=C)C(=O)OCCOP(O)(=O)OCCOC(=O)C(C)=C
• InChI: 1S/C12H19O8P/c1-9(2)11(13)17-5-7-19-21(15,16)20-8-6-18-12(14)10(3)4/h1,3,5-8H2,2,4H3,(H,15,16)
• InChI key: NXBXJOWBDCQIHF-UHFFFAOYSA-N

Description

General description

Bis[2-(methacryloyloxy)ethyl] phosphate (BMEP) is a hydrophilic monomer with two polymerizable methacrylate groups and a centrally placed phosphate group. In presence of an acid, it can undergo spontaneous polymerization with a high degree of conversion. It is widely used as a precursor in the synthesis of poly (BMEP), dental resins, hydrogels, and fire-retardant polymer composites.

Application

Bis[2-(methacryloyloxy)ethyl] phosphate (BMEP) can be used:

• As a bifunctional crosslinker to synthesize superabsorbent polymers (SAPs) via free radical polymerization. These SAPs can be used for agricultural applications.
• To prepare self-etching primer formulations for enamel and dentine. Primers with BMEP exhibit good wetting, etching, and penetration in both dentine and enamel.
• As a precursor to synthesize fire retardant nanocomposites via suspension polymerization.

Features and Benefits

• Presence of dimethacrylate groups enables cross-linking and improves copolymerization.
• Hydrophilicity and short carbon chains can enhance wetting.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves