Potassium Bis(trimethylsilyl)amide CAS 40949-94-8
Chemical Name: Potassium bis(trimethylsilyl)amide/ KHMDS
CAS No.: 40949-94-8
Molecular Formula: C6H18KNSi2
Molecular weight: 199.48
Appearance: light yellow to yellow to brown liquid
Assay: 0.90 ?C 1.10 M
Description
Potassium bis(trimethylsilyl)amide Quick Details
Chemical Name: Potassium bis(trimethylsilyl)amide/ KHMDS
CAS No.: 40949-94-8
Molecular Formula: C6H18KNSi2
Chemical Structure:
Molecular weight: 199.48
Appearance: light yellow to yellow to brown liquid
Assay: 0.90 ?C 1.10 M
Typical Properties
Item
Specifications
Results
Appearance
light yellow to yellow to brown liquid
Conforms
purity
0.90 ?C 1.10 M
10.2M
Conclusion
Theresultsconformswithenterprisestandards
?
Potassium bis(trimethylsilyl)amide Usage
Potassium bis(trimethylsilyl)amide (commonly abbreviated as KHMDS, Potassium(K) HexaMethylDiSilazide) is the chemical compound with the formula ((CH3)3Si)2NK. It is a strong, non-nucleophilic base with an approximate pKa of 26 (compare to lithium diisopropylamide, at 36).
1. Non-nucleophilic megasteric strong base.
2. Pharmaceutical intermediates, mainly used in the production of synthetic cephalosporins
Packaging and Shipping
Packing: 1kg/bottle
Delivery: within 7~10 working days
Potassium bis(trimethylsilyl)amide Storage
Avoiding light and drying.
Related Products
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: o-Xylene
Synonyms: 1,2-Dimethylbenzene; ortho-xylene
CAS No.: 95-47-6
Molecular Formula: C8H10
Molecular Weight: 106.17
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: Ammonium Iron(II) Sulfate
Synonyms: Diammonium iron bis(sulphate); iron (ii) ammonium sulfate
CAS No.: 10045-89-3
Molecular Formula: FeH5NO4S
Molecular Weight: 170.95
Chemical Name: Arabic gum
CAS No.: 9000-01-5
Appearance: powder
Product name:Cyclopentane
Purity:96%
Appearance:White powder
Package:25kg/bag
Sample:Available
Chemical Name: Quercetin-3-O-sophoroside
CAS No.: 18609-17-1
Molecular Formula: C27H30O17
Molecular Weight: 626.52
Product name:HYDROXYPROPYL GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE
Purity:99%
Appearance:Light Yellow Powder
Package:Customized according to customer needs.
Sample:Available
Chemical Name: Zinc citrate
Synonyms: Zinc citrate trihydrate
CAS No.: 546-46-3
Molecular Formula: C6H8O7Zn
Molecular Weight: 257.5
Appearance: White powder
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.
Polyhexamethylene guanidine hydrochloride, often abbreviated as PHMG-HCl, is a high molecular weight polymeric biguanide compound known for its potent antimicrobial properties. With a chemical structure that features a long chain of methylene groups bridged by guanidine units, PHMG-HCl is effective against a broad spectrum of microorganisms, including bacteria, viruses, and fungi.
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.
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.
Reviews
There are no reviews yet.