Molekula
4,4-Methylenebis(2,6-Di-tert-butylphenol), 98%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4,4-Methylenebis(2,6-di-tert-butylphenol), or MBDP, is a high-performance steric hindered phenolic antioxidant widely used in plastics, rubber, and fuels to prevent oxidative degradation and extend product lifespan. This compound is a white to off-white crystalline powder with a purity of 98%, CAS number 118-82-1, and molecular formula CH2[C6H2(C(CH3)2)2OH]2. Its molecular weight is 424.66 g/mol, and it is stable under ambient storage conditions. The product carries a signal word of "Warning" for safety handling. Molekula supplies 4,4-Methylenebis(2,6-di-tert-butylphenol), 98% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Melting Point | 149 - 156°C |
| Colour (Pt-Co) | ≤ 300 APHA |
| Purity (GC) | ≥ 98.0% |
| Water (KF) | ≤ 0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 27841203 |
| CAS Number | 118-82-1 |
| IUPAC Name | 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol |
| EC Number | 204-279-1 |
| Molecular Formula | CH2[C6H2(C(CH3)2)2OH]2 |
| Molecular Weight | 424.66 |
| Exact Mass | 424.3341 |
| SMILES | CC(C)(C)C1=CC(=CC(=C1O)C(C)(C)C)CC2=CC(=C(C(=C2)C(C)(C)C)O)C(C)(C)C |
| InChIKey | MDWVSAYEQPLWMX-UHFFFAOYSA-N |
| InChI | InChI=1S/C29H44O2/c1-26(2,3)20-14-18(15-21(24(20)30)27(4,5)6)13-19-16-22(28(7,8)9)25(31)23(17-19)29(10,11)12/h14-17,30-31H,13H2,1-12H3 |
| PubChem CID | 8372 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2907.29.9000 |
| Tariff Code | 2907290090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H413 May cause long lasting harmful effects to aquatic life
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 4,4'-Methylenebis(2,6-di-t-butylphenol)
- Antioxidant E 702
- Binox M
- Ethyl 702
- Etil 702
- Ionox 220
- Ionox 220 antioxidant
- L 3MB1
- LZ-MB 1
- MB 1 (Antioxidant)
Frequently asked questions
What is 4,4-Methylenebis(2,6-Di-tert-butylphenol) used for?
This compound is primarily used as a high-performance antioxidant and stabilizer in polymers, fuels, lubricants, and rubber to prevent oxidative degradation.
What is the chemical formula and molecular weight?
The formula is **CH₂[C₆H₂(C(CH₃)₂)₂OH]₂**, and the molecular weight is **424.66 g/mol**.
What is the purity grade available from Molekula?
Molekula supplies this product at **98% purity** as standard.
How should 4,4-Methylenebis(2,6-Di-tert-butylphenol) be stored?
Store in a tightly sealed container at **ambient temperature**, away from direct sunlight and moisture.
Can Molekula supply this product in bulk quantities?
Yes, Molekula can provide bulk quantities upon request—contact our sales team for specific packaging options.
What documentation comes with the order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.