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CAS Number : 9004-34-6
EC  Number : 232-674-9
Chemical formula :    (C12H20O10)n
Molar mass     :      162.1406 g/moL
Appearance     :  white powder
Density             : 1.5 g/cm3
Melting point     : 260–270 °C

ARBOCEL B 400  are highly pure and white cellulose long fibers. 
The average fiber length is around 900 µm. 
ARBOCEL B 400  is suitable for diverse polymer applications as functional filler. 
ARBOCEL B 400 is a highly pure cellulose long fiber. 
The average fiber length is around 900 µm. 
ARBOCEL B 400 is suitable for diverse polymer applications as functional filler. It is also used as a thickener, for fiber reinforcement, as an absorbent and diluent or as a carrier.

Chemical and physical properties of ARBOCEL B 400 
Cellulose content  : ~ 99.5 %
Oxide ash (850 °C, 4 h) : ~ 0.3 %
Whiteness (absolute value at 460 nm) : 81 % - 91 %
pH-value (5 % suspension)  : 5 - 7
Average fiber length  : 900 µm
Average fiber thickness :  20 µm
Bulk density (in accordance with DIN EN ISO 60) :  20 g/l - 40 g/l

ARBOCEL B 400 include functional cellulose fibers, cellulose additives, powdered cellulose, fine cellulose, micronized cellulose, cellulose compactates, cellulose powder, cellulose flour, cellulose granulates, cellulose mixtures, cellulose compounds, cellulose derivatives, CE, MC, HPMC, cellulose gels, cellulose wadding, cellulose insulation materials and a lot more besides.
ARBOCEL B 400 is an organic compound with the formula (C6H10O5)n, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units. 
ARBOCEL B 400 is an important structural component of the primary cell wall of green plants, many forms of algae and the oomycetes. 
Some species of bacteria secrete it to form biofilms.
ARBOCEL B 400 is the most abundant organic polymer on Earth.
ARBOCEL B 400 content of cotton fiber is 90%, that of wood is 40–50%, and that of dried hemp is approximately 57%.

ARBOCEL B 400 is mainly used to produce paperboard and paper. 
Smaller quantities are converted into a wide variety of derivative products such as cellophane and rayon. 
Conversion of ARBOCEL B 400 from energy crops into biofuels such as cellulosic ethanol is under development as a renewable fuel source. 
ARBOCEL B 400 for industrial use is mainly obtained from wood pulp and cotton.
Some animals, particularly ruminants and termites, can digest cellulose with the help of symbiotic micro-organisms that live in their guts, such as Trichonympha. 
In human nutrition, ARBOCEL B 400 is a non-digestible constituent of insoluble dietary fiber, acting as a hydrophilic bulking agent for feces and potentially aiding in defecation.

History of ARBOCEL B 400
ARBOCEL B 400 was discovered in 1838 by the French chemist Anselme Payen, who isolated it from plant matter and determined its chemical formula.
ARBOCEL B 400 was used to produce the first successful thermoplastic polymer, celluloid, by Hyatt Manufacturing Company in 1870. 
Production of rayon ("artificial silk") from ARBOCEL B 400 began in the 1890s and cellophane was invented in 1912. 
Hermann Staudinger determined the polymer structure of ARBOCEL B 400 in 1920. 
The compound was first chemically synthesized (without the use of any biologically derived enzymes) in 1992, by Kobayashi and Shoda.

ARBOCEL B 400 is widely used in pharmaceuticals, primarily as a binder/diluent in oral tablet and capsule formulations where it is used in both wet-granulation and direct-compression processes. 
In addition to its use as a binder/diluent, microcrystalline cellulose also has some lubricant and disintegrant properties that make it useful in tableting.
ARBOCEL B 400 is also used in cosmetics and food products.

ARBOCEL B 400 and carboxymethylcellulose sodium is used to produce thixotropic gels suitable as suspending vehicles in pharmaceutical and cosmetic formulations. 
The sodium carboxymethylcellulose aids dispersion and serves as a protective colloid.
Concentrations of less than 1% solids produce fluid dispersions, while concentrations of more than 1.2% solids produce thixotropic gels. 
When properly dispersed, ARBOCEL B 400 imparts emulsion stability, opacity and suspension in a variety of products, and is used in nasal sprays, topical sprays and lotions, oral suspensions, emulsions, creams and gels.

ARBOCEL B 400 really does its job, and also it does it well. 
ARBOCEL B 400 works well with many other popular excipients and is an integral part of many manufacturers' formulas. 
Binders undoubtedly are a crucial element in the tableting process simply because they ensure “hardness” in a tablet. 
Additionally, compressibility affects all aspects of the final product, for example, disintegration, dissolution and absorption.
ARBOCEL B 400 is directly compressible and therefore can be compressed into a tablet without having to granulate or process a mix, making the overall manufacturing process more efficient.

Benefits of ARBOCEL B 400:
-Higher compressibility
-Increased flow
-Strong binder
-Odorless, tasteless

ARBOCEL B 400 is also found in many processed food products, and may be used as an anti-caking agent, stabilizer, texture modifier, or suspending agent among other uses. 
According to the Select Committee on GRAS Substances, microcrystalline cellulose is generally regarded as safe when used in normal quantities. 

ARBOCEL B 400 is a commonly used excipient in the pharmaceutical industry. 
ARBOCEL B 400 has excellent compressibility properties and is used in solid dose forms, such as tablets. 
Tablets can be formed that are hard, but dissolve quickly. 
Microcrystalline cellulose is the same as cellulose, except that it meets USP standards.

ARBOCEL B 400 is a pure partially depolymerized cellulose synthesized from α-cellulose precursor (type Iβ), obtained as a pulp from fibrous plant material, with mineral acids using hydrochloric acid to reduce the degree of polymerization. 
The ARBOCEL B 400 can be synthesized by different processes such as reactive extrusion, enzyme mediated, steam explosion, and acid hydrolysis. 
ARBOCEL B 400 is commonly manufactured by spray-drying the neutralized aqueous slurry of hydrolyzed cellulose.

Structure and properties of ARBOCEL B 400
ARBOCEL B 400 under a microscope.
ARBOCEL B 400 has no taste, is odorless, is hydrophilic with the contact angle of 20–30 degrees,is insoluble in water and most organic solvents, is chiral and is biodegradable. 
ARBOCEL B 400 was shown to melt at 467 °C in pulse tests.
ARBOCEL B 400 can be broken down chemically into its glucose units by treating it with concentrated mineral acids at high temperature.

Commercial applications of ARBOCEL B 400
ARBOCEL B 400 for industrial use is mainly obtained from wood pulp and from cotton.

Paper products: 
ARBOCEL B 400 is the major constituent of paper, paperboard, and card stock. 
Electrical insulation paper: ARBOCEL B 400 is used in diverse forms as insulation in transformers, cables, and other electrical equipment.

ARBOCEL B 400 is the main ingredient of textiles. 
Cotton and synthetics (nylons) each have about 40% market by volume. 
Other plant fibers (jute, sisal, hemp) represent about 20% of the market. 
Rayon, cellophane and other "regenerated cellulose fibers" are a small portion (5%).

ARBOCEL B 400 is an organic compound, an odorless, white powdery fibers, Prepared by treating cotton with an organic solvent to de-wax it and removing pectic acids by extration with a solution of sodium hydroxide. 
Its formula is C12H22O11 and used as a food additive.

ARBOCEL B 400 is an odorless, white powdery fibers. 
Density: 1.5 g/cm3. 
The biopolymer composing the cell wall of vegetable tissues. 
Prepared by treating cotton with an organic solvent to de-wax it and removing pectic acids by extration with a solution of sodium hydroxide. 
The principal fiber composing the cell wall of vegetable tissues (wood, cotton, flax, grass, etc.). 
Technical uses depend on the strength and flexibility of its fibers. 
Insoluble in water. 
Soluble with chemical degradation in sulfuric acid, and in concentrated solutions of zinc chloride. 
Soluble in aqueous solutions of cupric ammonium hydroxide (Cu(NH3)4(OH)2).

ARBOCEL B 400 is a special cellulose fiber with a structured surface for brake pad formulations.
Fiber types differing specifications and properties are available depending on the application.

First aid measures of ARBOCEL B 400

Description of first aid measures
First-aid measures general : 
If you feel unwell, seek medical advice.

First-aid measures after inhalation : 
Remove the victim into fresh air. 
Respiratory problems: consult a doctor/medical service.

First-aid measures after skin contact : 
Rinse with water. 
Soap may be used. 
Take victim to a doctor if irritation persists.

First-aid measures after eye contact : 
Rinse with water. 
Remove contact lenses, if present and easy to do. 
Continue rinsing. 
Take victim to an ophthalmologist if irritation persists.

First-aid measures after ingestion : 
Rinse mouth with water. 
Immediately after ingestion: give lots of water to drink. 
Consult a doctor/medical service if you feel unwell.

Substance identity

EC / List no.: 232-674-9
CAS no.: 9004-34-6

Hazard classification & labelling of ARBOCEL B 400 
According to the majority of notifications provided by companies to ECHA in CLP notifications no hazards have been classified.

ARBOCEL B 400  indicated, in 2009, as being intended to be registered by at least one company in the EEA.
ARBOCEL B 400  for which classification and labeling data have been submitted to ECHA in a registration under REACH or notified by manufacturers or importers under CLP. 
Such notifications are required for hazardous substances, as such or in mixtures, as well as for all substances subject to registration, regardless of their hazard.
ARBOCEL B 400 listed in the EINECS, ELINCS, or NLP inventories.

Cellulose, microcrystalline
Cellulose microcrystalline
Hydroxyethyl Cellulose
Microcrystalline Cellulose
microfibrous cellulose
Not available
Sodium Croscarmellose

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