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Cellulose microcrystalline

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Cellulose microcrystalline

EINECS 232-674-9
CAS No. 9004-34-6 Density 1.27-1.60 g/cm3 (20oC)
Solubility insoluble Melting Point 260-270oC
Formula (C6H10O5)n Boiling Point
Molecular Weight 162.14000 Flash Point 164oC
Transport Information Appearance White crystal powder
Safety Risk Codes
Molecular Structure Molecular Structure of 9004-34-6 (Cellulose microcrystalline) Hazard Symbols

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Cellulose microcrystalline Standards and Recommendations

OSHA PEL: Total Dust: 15 mg/m3; Respirable Fraction: 5 mg/m3
ACGIH TLV: TWA (nuisance particulate) 10 mg/m3 of total dust (when toxic impurities are not present, e.g., quartz <1%)

Cellulose microcrystalline Specification

The Cellulose microcrystalline, with the CAS registry number 9004-34-6, is also known as alpha-Cellulose. It belongs to the product categories of Cellulose;Materials Science;Natural Polymers;Polymer Science;Polymers.This chemical's molecular formula is (C6H10O5)n. Its EINECS number is 232-674-9. What's more,Its systematic name is 1H-Benzimidazole-7-carboxylic acid, 2-ethoxy-1-((2'-(1H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl)-.It is a polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations.

Cellulose microcrystalline is combustible. Incompatible with strong oxidizing agents including bromine pentafluoride, sodium nitrate, fluorine, perchlorates, perchloric acid, sodium chlorate, magnesium perchlorate, F2, zinc permanganate, sodium nitrite, sodium nitrate, sodium peroxide. Nitration with a mixture of nitric and sulfuric acids produces Cellulose microcrystalline nitrates (celluloid pyroxylin, soluble pyroxyline, guncotton) which are flammable or explosive.The Cellulose microcrystalline is hamfull to the health. It is irritating to the respiratory system.When you use it ,avoid contact with skin and eyes.

Uses of Cellulose microcrystalline: It is high purity cellulose powders for partition chromatography.

The toxicity data of Cellulose microcrystalline as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 2gm/kg (2000mg/kg)   Toxicology Letters. Vol. (Suppl), Pg. 243, 1992.
rat LC50 inhalation > 5800mg/m3/4H (5800mg/m3)   Toxicology Letters. Vol. (Suppl), Pg. 243, 1992.
rat LD50 intraperitoneal > 31600mg/kg (31600mg/kg)   FAO Nutrition Meetings Report Series. Vol. 50A, Pg. 83, 1972.
rat LD50 oral > 5gm/kg (5000mg/kg)   Toxicology Letters. Vol. (Suppl), Pg. 243, 1992.

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