![2??-broMo-2,7-di-tert-butyl-9,9??-spirobi[fluorene] CAS 393841-81-1](https://bgbchem.com/wp-content/uploads/2025/08/393841-81-1.jpg)
Description
2,2??,7,7??-Tetrabromo-9,9??-spirobifluorene ?
Chemical Name:?2,2??,7,7??-Tetrabromo-9,9??-spirobifluorene
CAS No.:?128055-74-3
Chemical Structure:
Appearance: White to off-white solid
Typical?Properties
Melting Point
395-400??C
Boiling Point
633.7??55.0 ??C
Density
2.12??0.1 g/cm3
Solubility
Soluble in chloroform
Application:
Used as pharmaceutical intermediates and also an important intermediate for synthesizing optoelectronic materials.
Package:?
25kg /drum
Storage:
Store in a cool, dry place.
Related Products
Chemical Name: STODDARD SOLVENT
CAS No.: 64742-88-7
Appearance: Colorless or Light Yellow Liquid
Silicones are a family of synthetic polymers known for their versatility and stability. They are heat-resistant, non-toxic, and have excellent electrical insulation properties. Commonly used in various industries such as construction, automotive, aerospace, and personal care products, silicones offer a wide range of applications from sealants and adhesives to lubricants and medical devices. Their resistance to extreme temperatures and weathering makes them a preferred choice for many high-performance applications.
Product name:HYDROXYPROPYL GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE
Purity:99%
Appearance:Light Yellow Powder
Package:Customized according to customer needs.
Sample:Available
Chemical Name: Ashwagandha Extract
Synonyms: Withania somnifera, ext.; Withania Somnefera Extract
CAS: 90147-43-6
Appearance: Brown
Silicone oil, known for its chemical designation as dimethicone or polydimethylsiloxane, is a synthetic polymer with a backbone of alternating silicon and oxygen atoms, creating a highly versatile and stable compound. It is renowned for its exceptional lubricating properties, heat resistance, and non-toxic nature, making it a staple in various industries, including cosmetics, automotive, and aerospace.
This hydrophobic, non-volatile oil is valued for its ability to provide a smooth, non-greasy feel and to form stable emulsions with other ingredients. In personal care products, silicone oil is used to impart a silky texture, reduce friction on the skin, and create a protective barrier against environmental stressors without clogging pores.
Silicone oil’s chemical inertness and resistance to oxidation contribute to its long shelf life and stability in formulations. It is also appreciated for its compatibility with a wide range of substances, allowing for the creation of multifunctional products.
In summary, silicone oil is a reliable and multifaceted ingredient, offering a combination of performance, safety, and sensory benefits. Its use in a variety of applications reflects its versatility and enduring appeal in the marketplace.
Chemical Name: Arabic gum
CAS No.: 9000-01-5
Appearance: powder
Tetraacetylethylenediamine is a fully acetylated derivative of ethylenediamine, offering a high reactivity as an intermediate in organic synthesis. Its unique structure makes it a critical component in the production of specialty chemicals and pharmaceuticals, ensuring a wide range of applications in the chemical industry.
Chemical Name: Quercetin-3-O-sophoroside
CAS No.: 18609-17-1
Molecular Formula: C27H30O17
Molecular Weight: 626.52
Ethylhexyl Palmitate is a skin-conditioning ester, derived from ethylhexanol and palmitic acid, that imparts moisturization and a smooth texture to cosmetic and personal care formulations. It is valued for its emollient properties, enhancing the sensory experience of skin care products.
Chemical Name: Imazalil Sulfate
CAS No.: 58594-72-2
Molecular Formula: C14H14Cl2N2O.H2SO4
Molecular Weight: 395.26
Appearance: Solid
Butylated Hydroxytoluene (BHT) is a synthetic phenolic antioxidant commonly added to foods, cosmetics, and packaging to prevent the oxidation of fats and oils, thereby extending their shelf life. It is also used as a preservative in a variety of products, including rubber, petroleum products, and animal feed. BHT is recognized for its effectiveness in maintaining nutrient levels, color, flavor, and odor in food products . It is known to have a melting point of 69-71??C, a boiling point of 265??C, and is soluble in ethanol, acetone, and benzene, but not in water, glycerin, or propylene glycol . BHT is also used in some dietary supplements due to its antioxidant properties . However, it is important to handle BHT with care, as it can cause skin irritation and is considered harmful if swallowed .
Chemical Name: 3-Hydroxybutyric acid
CAS No.: 625-71-8
Molecular Formula: C4H8O3
Molecular Weight: 104.1
Appearance: White powder
Reviews
There are no reviews yet.