(1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate, commonly known as Bisphenol A glycidyl methacrylate (BisGMA), is a chemical compound widely utilized in the formulation of dental materials, particularly composite resins and adhesives. As a dimethacrylate monomer, it polymerizes into a highly cross-linked polymer, which is characterized by its high mechanical strength, good adhesion to tooth structure, and low polymerization shrinkage. These properties make BisGMA a popular choice for dental restorative applications. However, there is ongoing research to assess its potential endocrine-disrupting effects and toxicity, ensuring its safety for dental use.
27689-12-9
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Basic information
- Product Name: (1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate
- Synonyms: (1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate;2,2-bis-(4-(3-methacryloxypropoxy)phenyl)propane;Bis(2-methylpropenoic acid)(1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) ester;Bismethacrylic acid [isopropylidenebis(4,1-phenylene)bisoxybis(trimethylene)] ester;Bismethacrylic acid isopropylidenebis(4,1-phenyleneoxy)bis(1,3-propanediyl) ester;Bismethacrylic acid isopropylidenebis[(4,1-phenylene)oxy(3,1-propanediyl)] ester;2-Propenoic acid, 2-methyl-, (1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) ester;Einecs 248-607-1
- CAS NO:27689-12-9
- Molecular Formula: C29H36O6
- Molecular Weight: 480.59254
- EINECS: 248-607-1
- Product Categories: N/A
- Mol File: 27689-12-9.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 603.5°Cat760mmHg
- Flash Point: 253.9°C
- Appearance: /
- Density: 1.078g/cm3
- Vapor Pressure: 1.62E-14mmHg at 25°C
- Refractive Index: 1.522
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: (1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate(CAS DataBase Reference)
- NIST Chemistry Reference: (1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate(27689-12-9)
- EPA Substance Registry System: (1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate(27689-12-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 27689-12-9(Hazardous Substances Data)
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27689-12-9 Usage
Uses
Used in Dental Applications:BisGMA is used as a key component in dental composite resins and adhesives for its high mechanical strength, which is essential for the durability of dental restorations. Its good adhesion to tooth structure ensures a secure bond between the restoration and the natural tooth, while its low polymerization shrinkage helps minimize the risk of post-operative sensitivity and marginal leakage.
Used in Dental Research:
BisGMA is also used in ongoing research to investigate its potential endocrine-disrupting effects and toxicity. This research aims to determine the safety of BisGMA for use in dental applications and explore alternative materials with similar properties but lower health risks.
Used in Dental Material Development:
In the development of new dental materials, BisGMA is used as a reference compound to compare the performance of novel monomers and polymers. Its well-established properties provide a benchmark for evaluating the mechanical strength, adhesion, and polymerization shrinkage of new materials, ensuring they meet the required standards for dental restorative applications.
Check Digit Verification of cas no
The CAS Registry Mumber 27689-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,8 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.Calculate Digit Verification of CAS Registry Number 27689-12:
(7*2)+(6*7)+(5*6)+(4*8)+(3*9)+(2*1)+(1*2)=149
149 % 10 = 9
So 27689-12-9 is a valid CAS Registry Number.
InChI:InChI=1/C29H36O6/c1-21(2)27(30)34-19-7-17-32-25-13-9-23(10-14-25)29(5,6)24-11-15-26(16-12-24)33-18-8-20-35-28(31)22(3)4/h9-16H,1,3,7-8,17-20H2,2,4-6H3
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(1-methylethylidene)bis(4,1-phenyleneoxy-3,1-propanediyl) bismethacrylate
