methyl cellulose cas 9004-67-5

描述

Methyl cellulose (CAS 9004-67-5)Quick Details

Chemical Name: Methyl cellulose

CAS No.: 9004-67-5

Molecular Fomula: C20H38O11

Molecular weight: 454.50912

Chemical Structure:

Appearance: White to slightly off-white fibrous or granular powder

Assay: 99.0%min

Methyl cellulose (CAS 9004-67-5)Typical Properties

Item	Specifications	Results
Appearance	White to slightly off-white fibrousor granular powder.	White to slightly off-white fibrousor granular powder.
Identification A to E	Conform	Conform
Methoxy	27.5-31.5%	27.5-31.5%
Solution appearance	Conform	Conform
Loss on drying	5.0% Max	5.0% Max
Residue on ignition	1.5% Max	1.5% Max
pH	5.0 – 8.0	5.0 – 8.0
Apparent viscosity, 2% solu.,	40000-60000cps	40000-60000cps
20℃ Particle size	Min. 98% pass through 100 mesh	Min. 98% pass through 100 mesh
Heavy Metals
Heavy Metal	≤10ppm	≤10ppm
Arsenic	≤3ppm	≤3ppm
Lead	≤2ppm	≤2ppm
Mercury	≤1ppm	≤1ppm
Cadmium	≤1ppm	≤1ppm
Micro bacteria
Total plate count	≤1000cfu/g	≤1000cfu/g
Yeast and Mould	≤100cfu/g	≤100cfu/g
Coli form	Absent/g	Absent/g
Salmonella	Absent/g	Absent/g

Methyl cellulose (CAS 9004-67-5)Usage

Widely used in a variety of oral and topical preparations, also widely used in cosmetics and food

Methyl cellulose (CAS 9004-67-5)Packaging and Shipping

Bag,20kg paper bag with PE inner

Methyl cellulose (CAS 9004-67-5)Storage

Widely used in a variety of oral and topical preparations, also widely used in cosmetics and food.