Description
Chemical Name:2 5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Molecular Formula: C26H26N2O2S
Molecular Weight: 430.56
Structural Formula:
Specification of 2 5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene：
Items
Specifications
Melting point
199-201°C(lit.)
Boiling point
531.2±45.0°C(Predicted)
Refractive index
1.6360(estimate)
Density
1.26
Flash point
>350°C
Solubility
Toluene: soluble 50mg/mL
Acidity coefficient (pKa)
3.03±0.10(Predicted)
Water solubility
Soluble in acetone and toluene. Insoluble in water.
ε(extinction coefficient)
≥47000 at 372-374nm in dioxane
Items | Specifications |
Melting point | 199-201°C(lit.) |
Boiling point | 531.2±45.0°C(Predicted) |
Refractive index | 1.6360(estimate) |
Density | 1.26 |
Flash point | >350°C |
Solubility | Toluene: soluble 50mg/mL |
Acidity coefficient (pKa) | 3.03±0.10(Predicted) |
Water solubility | Soluble in acetone and toluene. Insoluble in water. |
ε(extinction coefficient) | ≥47000 at 372-374nm in dioxane |
Function of 2 5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene：
- Fluorescent whitening function: it can be used as fluorescent whitening agent to absorb ultraviolet rays.
- Its unique molecular structure makes it play an important role in the photoelectric conversion process, which helps to improve the luminous efficiency and stability of the device.
- Can be used to detect the presence of thin film electrical contact lubricants.
Application of 2 5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene：
- It can be used for whitening of PVC, PE, PP, PS, ABS and other thermoplastics.
- It is used for whitening of chemical fibres such as polyester fibre, nylon fibre, polypropylene fibre and so on.
- It can increase whiteness and brightness when added to paints, coatings and printing inks.
- In the field of optics and photovoltaics, it is used as the electron transmission material in organic electroluminescent devices.
Product Packaging and Transportation Show：
FQAs:
- Q1:What kind of packaging do the products usually come in?
A: This depends on the specific form of the product.
a1：If the product is in powder form, it is usually packed in 25kg woven bag/25kg cardboard drum, samples are usually bagged .
a2：If the product is liquid, it is usually packed in 180kg plastic drum/200kg iron drum, and the samples are usually in bottles.
a3：If customers have special requirements, please inform us in advance, we will choose the most suitable packaging according to the actual situation. - Q2:What is your shipping method?
A1：Usually, we will send small goods by FedEx, UPS and other international courier; bulk goods can be selected by sea, air or sea-land transport and other ways.
A2：If you have a designated courier or logistics channel, please be sure to inform us in advance so that we can arrange according to your requirements. - Q3: What methods can customers pay?
A: We offer a variety of payment methods, including TT transfer and credit card payment, which you can choose according to your needs. - Q4: What is your delivery time?
A: The exact delivery time will be determined according to the product category and quantity in your order. - Q5: If you have any questions or needs, please feel free to contact us, we will be happy to provide you with satisfactory service!
