CAS 9012-09-3 Cellulose triacetate - Materials / Alfa Chemistry

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Cellulose triacetate

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Catalog Number

ACM9012093

Product Name

Cellulose triacetate

CAS

9012-09-3

Category

Polymers

Description

Cellulose triacetate is a compound produced from a source of cellulose and acetate (usually acetic anhydride). Triacetates are commonly used in the manufacture of fibers and film bases. It is chemically similar to cellulose acetate. Its distinguishing feature is that in triacetate, at least 92% of the hydroxyl groups are acetylated. During the production of triacetate, cellulose is fully acetylated; in normal cellulose acetate or cellulose diacetate, it is only partially acetylated. The heat resistance of triacetate is significantly higher than that of cellulose acetate.

Molecular Weight

966.84 g/mol

Molecular Formula

C6H7O2(OOCH3)3

Melting Point

120-160 °C

Density

1.29 g/cm³

Solubility

Chloroform: 0.1 g/10 mL leave for 5 h, clear, colorless

Appearance

White to slightly yellow

Application

Plastic film base field: raw material for photographic film base (or film), special film such as X-ray, film base and insulating film separator. Aerospace and aerospace materials: Materials such as membranes and solid propellant cladding. Reverse osmosis membrane: When the acetic acid content is 52.33% ~ 55.95%, cellulose acetate can produce a membrane with excellent performance.

Storage

Room Temp

Color

White to slightly yellow

Composition

C40H54O27

Feature

Film-forming and spinnability; Stable to light, heat, acid and grease

Form

Granular

MDL Number

MFCD00132680