Produse pentru opt fridolfing chimic (3)

Polyquaternium-7 is a quaternary ammonium compound used as an antistatic agent,fim former and hair fixative,in cosmetics and personal care products,the quaternary nitrogen atom in Polyquaternium-7 always carries cationic charge regardless of the pH of the system.At high pH,the presence of hydroxyl groups may reduce the normally high water solubility of quaternary ammonium compounds.The positive charge on the quats attracts them to the slightly negatively charged skin and hair proteins.Polyquaternium-7 prevents or inhibits the buildup of static electricity and dries to form a thin coating that is absorbed onto the hair shaft. Polyquaternium-7 also helps hair hold its style by inhibiting the hair's ability to absorb moisture. CAS. No:26590-05-6

Product Identification Chemical name: 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane Synonyms: 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane, 69304-37-6, 1,3-Dichlorotetraisopropoxydisiloxane, Bis(chlorodiisopropylsilyl)ether CAS No.: 69304-37-6 Molecular formula: C12H28Cl2OSi2 Molecular weight: 315.43 Boiling point: 70 °C @ 0.5 mmHg Density: 0.986 g/mL Refractive index: 1.454 Specification Appearance: Colorless transparent liquid Purity: 97.00%min by GC Package Regular Packing: N.W 20kg/plastic drum Sample Packing: 0.1kg-1kg plastic bottle or under requests Transportation Information Classification: Class 8 dangerous goods UN 3265 PG II HS Code: 2931900090 Status & Application Status Commercial available Application 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane [69304-37-6] is used for analytical nuclear Watson-Crick and Hoogstein base pairs in glycine and formation of ribavirin chemical delivery system.

Product Identification Chemical name: 2,2-Bis(4-hydroxyphenyl)hexafluoropropane Synonyms: Bisphenol AF, BPAF, Hexafluorobisphenol A, 4,4'-(Hexafluoroisopropylidene)diphenol CAS No.: 1478-61-1 Molecular formula: C15H10F6O2 Molecular weight: 336.23 Melting point: 159-163 ℃ Density: 0.791 g/mL Refractive index: 1.4316 Specification Appearance: White powder Purity: 99.50%min Phenol content: 0.10%max Moisture: 0.10%max The rate of whiteness: 90.0%min Methanol insoluble salts: 300 μg/g Package Regular Packing: N.W 25kg/fiber drum Sample Packing: 0.1kg-1kg foil bag Transportation Information Classification: Non dangerous goods HS Code: 2908199090 Status & Application Status: Industrial scale Application: 1) Fluoroelastic vulcanization promoter; 2) Crosslinker in fluoroelas rubber processing; 3) Preparation of flame retardant polycarbonate; 4) Preparation of Fluorinated polyimide resin;