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Diethylhexyl Butamido Triazone (DHBT)-CAS Number: 154702-15-5
Technical Specifications
| Property | Specification |
| Chemical Name | Bis(2-ethylhexyl) 4,4'-[(6-{[4-(tert-butylcarbamoyl)phenyl]amino}-1,3,5-triazine-2,4-diyl)diamino]dibenzoate |
| Molecular Formula | |
| Molecular Weight | 765.98 g/mol |
| Appearance | White to off-white crystalline powder |
| Assay (Purity) | Min 98.0% |
| Melting Point | 50°C – 55°C |
| $\lambda_{max}$ (Absorption Peak) | ~310 nm (Strong UVB protection) |
| Specific Extinction | $E_{1\%}^{1cm}$ at 311 nm: Min. 1500 |
| Solubility | Excellent solubility in cosmetic oils (Ethylhexyl Stearate, $C_{12-15}$ Alkyl Benzoate); insoluble in water. |
Benzophenone-3
Benzophenone-3 (also known as Oxybenzone) is a highly effective, oil-soluble organic UV filter.
1. Technical Specifications
| Property | Specification |
| Chemical Name | 2-Hydroxy-4-methoxybenzophenone |
| CAS Number | 131-57-7 |
| Molecular Formula | |
| Molecular Weight | 228.24 g/mol |
| Appearance | Pale yellow crystalline powder |
| Assay (Purity) | Min 99.0% |
| Melting Point | 62°C – 65°C |
| Solubility | Soluble in common organic solvents (Ethanol, Toluene, various oils); practically insoluble in water. |
| UV Absorption Maxima | at ~288 nm and ~325 nm |
| Loss on Drying | Max 0.5% |
2. Industrial & Commercial Applications
A. Sun Care & Personal Care
Secondary UV Filter: Typically used at concentrations of 2% to 6% to boost the SPF of primary filters like Octyl Methoxycinnamate.
Photostabilizer: It is highly photostable and is frequently added to formulations specifically to protect other active ingredients and fragrances from sunlight-induced degradation.
Color Cosmetics: Used in nail polishes (up to 1%), lipsticks, and foundations to maintain product color and prevent fading in transparent packaging.
B. Plastics & Polymers
Light Stabilizer: Incorporated into plastics like PVC, ABS, and polyesters to prevent yellowing, brittleness, and loss of physical properties caused by UV exposure.
Transparent Packaging: Ideal for protecting the contents of clear plastic bottles or films from UV light.
C. Coatings & Inks
Paints & Varnishes: Used in clear wood coatings and outdoor paints to shield the substrate and the binder from solar radiation.
Photo-initiator: Can act as a photo-initiator in UV-curable ink systems to speed up the drying process
DHHB- CAS Number: 302776-68-7
Technical Specifications
| Property | Specification |
| Chemical Name | Hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate |
| Molecular Formula | |
| Molecular Weight | 397.51 g/mol |
| Appearance | White to slightly yellow granular powder |
| Assay (Purity) | Min 99.0% |
Ethylhexyl Triazone
Technical Specifications
Chemical Name: 2,4,6-Trianilino-(p-carbo-2'-ethyl-hexyl-1'-oxy)-1,3,5-triazine
CAS Number: 88122-99-0
Appearance: White to light yellow powder
Absorption Peak: ~314 nm (UVB range)
(BEMT)Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine-CAS : 187393-00-6
Technical Specifications
| Property | Specification |
| Chemical Name | 2,4-Bis[4-(2-ethylhexyloxy)-2-hydroxyphenyl]-6-(4-methoxyphenyl)-1,3,5-triazine |
| Molecular Formula | |
| Molecular Weight | 627.81 g/mol |
| Appearance | Light yellow to yellow powder |
| Assay (Purity) | Min 98.0% |
| Melting Point | 80°C (Note: Some grades may range up to 136°C depending on crystalline form) |
| $\lambda_{max}$ (Peaks) | Dual peaks at ~310 nm (UVB) and ~340 nm (UVA) |
| Specific Extinction | at 340 nm: Min. 790 |
| Solubility | Highly oil-soluble; excellent in $C_{12-15}$ Alkyl Benzoate and Dibutyl Adipate |
benzophenone-4
Benzophenone-4 (also known as Sulisobenzone) is a water-soluble secondary UV filter that provides broad-spectrum protection by absorbing radiation in both the UVB and UVA-II ranges (approximately 270–350 nm). Unlike many other UV filters, its sulfonic acid group makes it highly soluble in water, allowing it to be used in transparent, oil-free formulations.
1. Technical Specifications
| Property | Specification |
| Chemical Name | 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid |
| CAS Number | 4065-45-6 |
| Molecular Weight | 308.31 g/mol |
| Appearance | Off-white to light yellow crystalline powder |
| Assay (Purity) | Min 98.0% |
| Melting Point | Approx. 140°C - 150°C (with decomposition) |
| Solubility | Highly soluble in water, ethanol, and methanol; insoluble in most oils. |
| pH (1% aqueous solution) | 1.2 – 2.2 (strongly acidic) |
Custom Manufacturing (CMO)
Contract Research Services (CRO)
Sodium SULISOBENZONE (Benzophenone-5) (BP-5)
Features
- High-quality UV protection
- Reliable barrier against sun-related degradation
- Ideal for sun-sensitive products
- Effective in various formulations
- Enhances product longevity
N‑Octyl Bromide (1‑Bromooctane)
N‑Propyl Bromide (1‑Bromopropane)
Iso Propyl Bromide (2‑Bromopropane)
Di‑Benzoyl D‑Tartaric Acid (D‑DBTA)
N‑Butyl Bromide (1‑Bromobutane)
1‑Bromo‑3‑Chloro Propane
Methyl 2‑Bromohexanoate (MBH)
Benzyl Acetate
Isoamyl Salicylate
Di‑Benzoyl L‑Tartaric Acid (L‑DBTA)
Benzyl Alcohol
Tetra Butyl Ammonium Bromide (TBAB)
Benzyl Benzoate
Isopropyl Palmitate (IPP)
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