Fluorescent Brightener OB-2 CAS 2397-00-4
Chemical Name: Fluorescent Brightener OB-2
Synonyms: 4,4??-Bis(5-methyl-2-benzoxazolyl)stilbene; 2,2??-(Vinylenedi-p-phenylene)bis[5-methylbenzoxazole]
CAS No.: 2397-00-4
Molecular Fomula: C30H22N2O2
Molecular weight:?442.51
Appearance: Yellow green powder
Assay: ??98.0%
Description
Fluorescent Brightener OB-2?Quick Details
Chemical Name: Fluorescent Brightener OB-2
Synonyms: 4,4??-Bis(5-methyl-2-benzoxazolyl)stilbene; 2,2??-(Vinylenedi-p-phenylene)bis[5-methylbenzoxazole]
CAS No.: 2397-00-4
Molecular Fomula: C30H22N2O2
Chemical Structure:
Molecular weight:?442.51
Appearance: Yellow green powder
Assay: ??98.0%
Fluorescent Brightener 135?Typical Properties
ITEMS
SPECIFICATION
Density
1.242??0.06 g/cm3
Boiling point
590.9??39.0 ??C at 760 mmHg
Melt point
278-280???C
?
Fluorescent Brightener OB-2 application:
This product is mainly used for whitening plastics such as ABS, PS, HIPS, PA, PP, EVA and rigid PVC.
Fluorescent Brightener OB-2 Packaging and Shipping?
customized according to customer needs.
Fluorescent Brightener OB-2?Storage
It should be stored in a clean, dry and cool place, preventing from sunlight, rain.
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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 .
Octyl 4-methoxycinnamate, scientifically known as 2-Ethylhexyl 4-Methoxycinnamate, is a highly effective organic UV filter commonly used in the formulation of sunscreens and cosmetic products. This compound is renowned for its ability to absorb ultraviolet B (UVB) radiation, providing a reliable defense against the sun’s harmful effects on the skin.
Characterized by its chemical formula C19H28O3, Octyl 4-methoxycinnamate is a liquid ester that is readily soluble in organic solvents. It is valued for its photostability, which means it maintains its protective properties even after prolonged exposure to sunlight. This feature makes it an ideal ingredient for products designed to offer long-lasting sun protection.
In addition to its UVB absorption capabilities, Octyl 4-methoxycinnamate is also appreciated for its compatibility with other UV filters, allowing for the creation of broad-spectrum sunscreens. It contributes to the development of formulations that are non-greasy and cosmetically elegant, suitable for a variety of skin types.
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This hydrochloride salt form of PHMG is highly soluble in water and is commonly used in various applications due to its non-irritant and non-toxic nature to human skin and mucous membranes. It is widely recognized for its ability to form a colorless and odorless solution, making it an ideal choice for use in personal care products, medical disinfectants, and water treatment processes.
The versatility of PHMG-HCl lies in its cationic nature, which allows it to bind to negatively charged microbial cell walls, disrupting their integrity and leading to cell death. This mechanism of action contributes to its effectiveness as a preservative and disinfectant. Moreover, its substantivity, or the ability to adhere to surfaces, enhances its long-lasting antimicrobial activity.
In summary, Polyhexamethylene guanidine hydrochloride is a reliable and efficient antimicrobial agent, pivotal in industries where hygiene and cleanliness are paramount, offering a safe and sustainable solution for microbial control.
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