2018年12月27日星期四

Triphenylphosphine hydrobromide

Product Name: Triphenylphosphine hydrobromide
Cas No:6399-81-1
Molecular formula: C18H16BrP
Molecular Weight: 343.20
Purity:    99%
Melting point: 196-199 oC
Application:Fine Intermediate
Description:
Hydrobromide salt of Triphenylphosphine, used in the preparation of uridine derivatives as substrate donor analogs of UDP-sugars for glycosyltransferases. Also used in the preparation of tensioactive and antibacterial deoxyglycoside compounds via catalysis.Used as mild source of anhydrous HBr; catalyst for formation of THP ethers from tertiary alcohols; preparation of phosphonium salts.

Triphenylphosphine oxide

Product name:Triphenylphosphine oxide
CAS no.:791-28-6
Molecular formula:C18H15OP
Molecular weight:278.2849
Appearance:White crystal powder
Purity:≥98%
Product description:For the organic synthesis and the fluorescent anti-counterfeiting powder and medicine intermediate, catalyst, and so on.

Triphenylbismuthine

Product Name: Triphenylbismuthine
Cas No:603-33-8
Molecular formula: C18H15Bi
Molecular Weight: 440.30
Appearance:White  or milky crystal, no visible impurities
Description:
Triphenyl bismuth (TPB) has been used as the curing catalyst of HTPB propellant. TPB could decrease curing temperature and reduce curing time of the propellant, as well as it has no damaging effect on the performance and mechanics properties. The dosage of TPB is 0.006%-0.05% of total weight for the propellant

Tri-n-butylphosphine

Product name:Tri-n-butylphosphine
CAS: 998-40-3
Molecular Formula: C12H27P
Molecular Weight: 202.3165
Product description:At room temperature preservation, need to inert gas protection, must be strictly oxygen, lest by oxide free radical chain reaction, highly flammable, avoid direct contact with, away from the fire.

Trimipramine maleate salt

Product name:Trimipramine maleate salt
CAS: 521-78-8
Molecular Formula: C24H30N2O4
Molecular Weight: 410.51
Product description:This product is a angiotensin converting enzyme inhibitors. In the body after oral hydrolysis into Enalaprilat (Enalaprilat), the latter strongly inhibit the angiotensin converting enzyme, reduce the content of angiotensin Ⅱ, cause systemic vasodilatation, step-down. For Ⅱ renal hypertension, Ⅰ renal hypertension and model have obvious function in spontaneously hypertensive rats.

Triphenyl phosphite

Product name:Triphenyl phosphite
CAS: 101-02-0
Molecular Formula: C18H15O3P
Molecular Weight: 310.29
Product description:Colorless to light yellow transparent liquid, slight phenol smelly, insoluble in water, hydrolysis in moisture easily generate free phenol, soluble in alcohol, ether, benzene and acetone and other organic solvents, the uv absorption.Used as a stabilizer of synthetic rubber and resin, polyvinyl chloride (PVC) plastic antioxidants and the raw material of alkyd resin and pesticide intermediates. As cellulose resin, vinyl resin, natural rubber and synthetic rubber flame retardant plasticizer. This volatility is low, flame retardant with high efficiency, excellent mechanical properties retention, transparency, softness and toughness. Mainly used for nitrocellulose, cellulose acetate membrane (such as film film base) and membrane plastic flame retardant plasticizer, also can be used as in viscose fiber as camphor incombustible substitution.

Trisodium citrate dihydrate

Product name:Trisodium citrate dihydrate
CAS: 6132-04-3
Molecular Formula: C6H9Na3O9
Molecular Weight: 294.1
Product description:Colorless crystals or white crystalline powder products, odourless, taste salty, cool. Lost in 150 ℃ water of crystallization and thermal decomposition. Micro has deliquescence in wet air, weathering resistance in hot air, soluble in water and glycerin, insoluble in ethanol, soluble in alcohol and other organic solvent. Sodium citrate, non-toxic, with pH regulation performance and good stability, thus can be used in the food industry. Sodium citrate used as food additive, highest demand, mainly used as a flavoring, buffering agent, emulsifier, expansion agent, stabilizing agent and preservative, etc.