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Monthly Archives: October 2013

Product name:Cefteram pivoxil

CAS:82547-81-7

Synonyms: pivaloyloxymethyl (z)-7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-(5-methyl-2h-tetrazol-2-ylmethyl)-3-cephem-4-carboxylate;CefteramPivoxilCefteramPivoxil;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[(5-methyl-2H-tetrazol-2-yl)methyl]-8-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, [6R-[6α,7β(Z)]]-;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[(5-methyl-2H-tetrazol-2-yl)methyl]-8-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (6R,7R)-;Antibiotic T 2588;Ro 19-5248;T 2588;Tomiron

Molecular formula:C22H27N9O7S2

Molecular weight:593.64

Storage: Store at -20° C

Melting Point: 125-128°C (lit.)

Chemical Properties: Off-White to Pale Yellow Solid

Usage: Third generation, orally active cephalosporin antibiotic. Antibacterial.

Product description:Cefteram Pivoxil is a third generation, orally active cephalosporin antibiotic and antibacterial.

What is 3-Amino-5-methylpyrazole?

Synonyms:

1H-Pyrazol-3-amine, 5-methyl-; 3-methyl-1H-pyrazol-5-amine

CAS:31230-17-8

Molecular formula:C4H7N3

Molecular weight:97.12

Appearance: Yellow viscous liquid

Density: 1.221g/cm3

Melting Point(℃): 41-43℃

Boiling Point(℃): 357°C at 760 mmHg

Flash Point(℃): 169.5°C

refractive_index: 1.617

 

Product description:3-Amino-5-methylpyrazole is a light Yellow Liquid and used as the pharmaceutical intermediates.

What is Triethyl Citrate?

Property:

Colorless transparent liquid£¬boiling point:150ºC(0.4KPa), flash point(open)155ºC, soluble in most organic solvent, slightly soluble in oils. This product is innocuous plasticizer.

Applications:

Triethyl Citrate is banal plasticizer, broadly acclimated in the plasticizer of artificial adhesive and vinyl resin, acclimated as leavening abettor in aliment to advance the bubbles backdrop of baking food, as antioxidant to balance soybean oil, bloom oil, margarine and added comestible fat and oil, as additive abettor acclimated in bendable drinks, amoroso and baking food, acclimated as chelating abettor and carrier solvent. Especially applicative to the industries including press ink coating, banal PVC grain, biologic industry, bendable toys for children, medical articles and cosmetics assembly etc.

Details:

As plasticizer, Triethyl Citrate can be acclimated in attach enamels or hair sprays to plasticize and strengthen polymeric films. More accepted advice of the use of Triethyl Citrate as plasticizer here.

As deodorant, according to Cognis abstruse abstracts area of Hydagen CAT, Triethyl Citrate assumption of activity is based on a pH amount abased capricious inhibition of the enzymatical abasement of candied ingredients, epidermal residues and derma apparent fat, so that bad-smelling abasement articles cannot develop.

National Starch, supplier of the alive additive “Hydrovance”, gives several tips to balance this molecula. One of them is the use of low atomic weight esters, a part of which Triethyl Citrate gives acceptable results.

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Chemical raw material

What is Methacrylic anhydride?

Chemical Name:  Methacrylic anhydride

 

Chemical Formula:  C8H10O3

 

CAS Number:  760-93-0

 

Synonyms:  2-Propenoic acid, 2-methyl-, anhydride;Methacrylic acid anhydride;Methacryloyl anhydride;2-Methyl-2-propenoic acid anhydride;1-Methylacrylic anhydride

 

Use:  an intermediate in the preparation of fibres and resins

 

Appearance:  liquid

 

Boiling Point:  80 – 85 C at 8 mm Hg

 

Flash Point:  -10 C

 

Stability:  Stable. Flammable. Moisture-sensitive.

 

Molecular Weight:  154.1632

Reactive monomer used primarily in preparation of other monomers under mild reaction conditions. Homopolymers are linear and contain cyclic anhydride units, uncrosslinked.

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Fine Chemical Products

Neutral Sizing Agent Application

Application:

1.High agreeable of artefact is acceptable for apparent sizing, may be wholly or partly alter centralized allocation agent.It has accomplished baptize attrition effect.

2.Low agreeable of artefact is acceptable for centralized sizing.It couod use calcium carbonate as the filler. Per ton complete dry lurid adds 0.25 kg of polyacrylamide and the atomic is 6.0 million. The after-effects will be better.

Packaging and storage:

Pack it with 200 kg or 1000 kg artificial barrels, closed and stored at allowance temperature, break indoor.

Attention:

1. PH amount of the advanced cobweb headbox is controlled in 6.8 ~ 8.5. If beneath than 6.8, abacus acrid to acclimatize it.

2, The cardboard branch should baddest the best ratio, abacus locations and abacus way according to the specific situation.

3. Make abiding that at atomic one of the cardboard machines dehydration cylinders temperature do not lower than 95 C.

4. The accessories and activity should be thoroughly bankrupt by change acerb papermaking into arbitrate acrid papermaking.

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Neutral Sizing Agent

Lutrol F68 Application

 

Lutrol F 68 is used as wetting agents, as emulsifiers and solubilizers, Lutrol F 68 has been formulated in liquid dosage forms for parenteral use and suitable to prepare solid dispersions and to improve the solubility, absorption and bioavailability of low-solubility actives in solid oral dosage forms. The corresponding dosage forms are usually processed by melting or granulation. In addition, Lutrol F 68 can also act as a co-emulsifier in creams and emulsions.

 

Application:

 

Lutrol F68 has been widely used by the pharmaceutical industry as a thickening agent and gel binder.

 

Other Notes:

 

The Lutrol F grades are poloxamers from the extensive line of Pluronic block copolymers.