Downloads

2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3 -tetramethylbutyl)phenol] (Sarasorb M (MBBT))

  1. Home
  2. Fine Chemicals
  3. UV Filters for Personal Care
  4. 2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3 -tetramethylbutyl)phenol] (Sarasorb M (MBBT))
1. STRUCTURE
2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3 -tetramethylbutyl)phenol] (Sarasorb M (MBBT))
2. PRODUCT NAME & DETAILS
Product Name 2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3 -tetramethylbutyl)phenol] (Sarasorb M (MBBT))
Product Code 011320
CAS No 103597-45-1
HS Code 2933.99.90
Molecular Formula C41H50N6O2
Molecular Wt. 658.88
3. REGULATORY INFORMATION
Chemical nameCommon names and synonymsCAS numberEC number
2,2-Methylenebis[6-(2H
-benzotriazol-2-yl)-4-(1,1,3,3
-tetramethylbutyl)phenol]
Bisoctrizole, Bis[2-hydroxy-5-tert-octyl-3
-(benzotriazole-2-yl)phenyl]methane,
103597-45-1
403-800-1
European Inventory of Existing Commercial Chemical Substances (EINECS)
Not Listed
EC Inventory
Listed
United States Toxic Substances Control Act (TSCA) Inventory
Listed
China Catalog of Hazardous chemicals 2015
Not Listed
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC)
Listed
Korea Existing Chemicals List (KECL)
Listed
Canadian Domestic Substance List (DSL)
Listed
Canadian Non-Domestic Substance List (NDSL)
Not Listed
Japanese Existing and New Chemical Substances Inventory (ENCS)
Listed


4. SPECIFICATION
Physical Appearance
White to Cream Powder
Identification (HPLC)
Identical
Melting Point
195 - 198 °C
Purity
NLT 97%
5. APPLICATIONIt is a preservative-free, photo-stable, high performance broad-spectrum  UV-A and UV-B filter.

It is highly efficient at low concentration and can be processed cold. This ingredient helps to prevent long term skin damage, shows high efficiency at low concentration and reduces complexity.

It finds application in anti-aging formulas and sun protection products.
6. HAZARD CLASSIFICATION
Non-Hazardous substance
7. STORAGE CONDITION
Store at ambient temperature in dry place away from direct sun light .
8. PACKING DETAILS

25 kg corrugated box pallet.

9. SHELF LIFE
3 years.
Disclaimer
Typical properties should not be considered as specification.
Product covered by valid patents are not offered or supplied for commercial use. The Patent position should be verified by the customer.
Products will not be supplied to countries where they could be in conflict with existing patents.
Products currently covered by valid US patents are offered for R&D use in accordance with 35 USC 271 (e) (I) Above information is given in good faith and without warrenty.
Inquire Now
  

Download PDF

 

The above information is given in good faith and is without warranty

Products Recommendations

2-(2-Hydroxy-4-hexyloxyphenyl)-4,6-Bis(phenyl)-1,3,5-triazine (Appolo-1577 (Granules))
Inquire Now | Download PDF

Frequently Asked Questions

Q1: What is Sarasorb M (MBBT / Bisoctrizole) and what makes it unique among UV filters?

A1: Sarasorb M (CAS 103597-45-1, C41H50N6O2, mol. wt. 658.88), also known as Bisoctrizole, is a preservative-free, photostable broad-spectrum UVA and UVB filter. It is highly efficient at low concentrations, can be processed cold, and carries the distinction of being one of the few UV filters listed on US TSCA, EC Inventory, China IECSC, Korean KECL, Canadian DSL, and Japan ENCS simultaneously.

Q2: What are the purity and physical specifications of Sarasorb M (MBBT)?

A2: It's a white to cream powder with HPLC identification as identical, melting point of 195–198°C, and purity NLT 97%.

Q3: What is meant by "processable cold" for Sarasorb M, and why does that matter for formulators?

A3: It means Sarasorb M doesn't need to be heated to dissolve or disperse in formulations, which simplifies manufacturing, reduces energy usage, and enables broader compatibility with heat-sensitive co-ingredients.

Q4: Is Sarasorb M available in a dispersed/aqueous form as well?

A4: Yes — Sarex also offers Sarasorb M Aqua, a ready-to-use aqueous dispersion containing Methylene Bis-Benzotriazolyl Tetramethylbutylphenol along with decyl glucoside, propylene glycol, and xanthan gum, for easier incorporation into water-based systems.

Q5: Is Sarex an established manufacturer and exporter of Sarasorb M (MBBT) for the personal care industry?

A5: Yes, Sarex is a leading fine chemical manufacturer in India and one of the country's largest exporters, supplying Sarasorb M to cosmetic producers in more than 40 countries in 25 kg corrugated box pallets.