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Pharmaceutical Raw Materials
· Name:Benzyl Alcohol
· Cas no.: 100-51-6
· MF: C7H8O
· Molecular formula:C7H8O
· Appearance: colorless transparent liquid
Benzyl alcohol is an organic compound with the formula C6H5CH2OH.
With the cas number 100-51-6, it is also called
alcohol. Benzyl Alcohol is an aromatic alcohol used as a
preservative, as the active ingredient in head lice treatment, and
as a solvent. It is most often created by combining benzyl chloride
(a suspected carcinogen that has been used as a war gas) with
sodium hydroxide (lye).
Preparation of Benzyl Alcohol: Benzyl alcohol is produced naturally
by many plants and is commonly found in fruits and teas. It is also
found in a variety of essential oils including jasmine, hyacinth,
and ylang-ylang. Benzyl alcohol is prepared by the hydrolysis of
benzyl chloride using sodium hydroxide:
C6H5CH2Cl + NaOH → C6H5CH2OH + NaCl
It can also be prepared via a Grignard reaction by reacting
phenylmagnesium bromide (C6H5MgBr) with formaldehyde, followed by
benzyl alcohol used as ointment's preservatives, fiber, nylon and
plastic film's desiccant, pvc stabilizers, photographic developer,
solvent of acetate fiber, ink, paint, paint, epoxy resin coating,
dye, such as gelatin, casein, shellac , intermediate for preparing
benzyl ester or ether. also used for preparing spices and flavoring
agent ,additives to soap, perfume, cosmetics and other products.
because of index and quartz and wool fiber having nearly the same
refractive , so as to identify agents of quartz and wool fiber. in
perfumery industry used as a fixative and diluent
benzyl alcohol hydroxyl is very lively, it can react with benzene
to generate two phenyl methane, and acrylonitrile reaction of n-
benzyl acrylamide (ritter reaction), can also reaction with
halogenated phosphorus and halogen acid to benzyl halide.
halogenated benzyl and phenyl methanol are benzyl 's(ben jiaji)
chemical reagent, used to carboxylic acid and alcohol hydroxyl
benzyl protecting group. benzyl protecting group very easily take
off by hydrogenation. in addition, benzyl alcohol are also likely
to be more oxidants oxidized to benzoic acid, if oxidized with
nitric acid, with the different concentration and temperature , can
generate aldehydes or acids.
when the injection of penicillin, in order to prevent the patient
from strong pain , often use benzyl alcohol for anesthesia, this
pain will not be too strong, so the benzene methanol is also known
as "painless water". however, a common side effects soon found on
clinically: gluteal muscle contracture. this is because the benzyl
alcohol is not easy to be absorbed by human body, long-term
accumulation on the injection site, will cause the surrounding
muscle necrosis, serious, and even affect the development of bone.
- used as raw material and perfume fixative, pharmaceutical raw
materials and anesthetics, preservatives
- Benzyl Alcohol (CAS NO.100-51-6) is used as a bacteriostatic
preservative at low concentration in intravenous medications. It is
also used as a general solvent for inks, paints, lacquers, and
epoxy resin coatings.In organic synthesis, benzyl esters are good
protecting groups due to they can be removed by mild
hydrogenolysis. Besides Benzyl alcohol has been used as a
dielectric solvent for the dielectrophoretic reconfiguration of
nanowires. Moreover it is also a precursor to a variety of esters,
used in the soap, perfume, and flavor industries. It is often added
to intravenous medication solutions as a preservative because of
its bacteriostatic and antipruritic properties. At last it is also
used as a photographic developer.
|benzal dehyde %||0.1 max||0.03|
|dibenzyl ether||500 ppm max||complies|
|residue after ignition||0.005% max||complies|
|non-volatile residue||0.05% max||complies|
|conclusion||conform to in-house standard|
our products meet msds safe standard and we have iso and other
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we can do according to the customers' request.
We can pack your powders within 12 hours after your payment, and
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