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CROSCARMELLOSE SODIUM

CROSCARMELLOSE SODIUM 구조식 이미지
카스 번호:
74811-65-7
상품명:
CROSCARMELLOSE SODIUM
동의어(영문):
PRIMELLOSE(R);Unii-m28ol1hh48;Crosscarmelosesodium;Sodiumcroscarmellose;CROSCARMELLOSE SODIUM;MODIFIED CELLULOSE GUM;Croscarmellose natrium;CroscarMellose sodiuM Ph. Eur.;Cross-linked carboxymethylcellulose sodium
CBNumber:
CB9418013
분자식:
Null
포뮬러 무게:
0
MOL 파일:
Mol file

CROSCARMELLOSE SODIUM 속성

밀도
Bulk density (g/cc) 0.48
용해도
Practically insoluble in acetone, in anhydrous ethanol and in toluene.

안전

CROSCARMELLOSE SODIUM C화학적 특성, 용도, 생산

화학적 성질

pH 5.0-7.0 tablet disintegrant.

화학적 성질

Croscarmellose sodium occurs as an odorless, white or grayishwhite powder.

용도

Packaged under nitrogen

용도

antimicrobial

용도

Used as Disintegrant in Capsules, Tablet and Granule Formulations.

용도

Pharmaceutic aid (tablet disintegrant).

생산 방법

Alkali cellulose is prepared by steeping cellulose, obtained from wood pulp or cotton fibers, in sodium hydroxide solution. The alkali cellulose is then reacted with sodium monochloroacetate to obtain carboxymethylcellulose sodium. After the substitution reaction is completed and all of the sodium hydroxide has been used, the excess sodium monochloroacetate slowly hydrolyzes to glycolic acid. The glycolic acid changes a few of the sodium carboxymethyl groups to the free acid and catalyzes the formation ofcrosslinkstoproducecroscarmellosesodium.Thecroscarmellose sodium is then extracted with aqueous alcohol and any remaining sodium chloride or sodium glycolate is removed. After purification, croscarmellose sodium of purity greater than 99.5% is obtained. The croscarmellose sodium may be milled to break the polymer fibers into shorter lengths and hence improve its flow properties.

상표명

Ac-Di-Sol (FMC); CLD 2 (Buckeye).

Pharmaceutical Applications

Croscarmellose sodium is used in oral pharmaceutical formulations as a disintegrant for capsules,tablets, and granules.
In tablet formulations, croscarmellose sodium may be used in bothdirect-compressionandwet-granulationprocesses.Whenused in wet granulations, the croscarmellose sodium should be added in both the wet and dry stages of the process (intra- and extragranularly) so that the wicking and swelling ability of the disintegrant is best utilized. Croscarmellose sodium at concentrations up to 5% w/w may be used as a tablet disintegrant, although normally 2% w/w is used in tablets prepared by direct compression and 3% w/w in tablets prepared by a wet-granulation process.

Safety

Croscarmellose sodium is mainly used as a disintegrant in oral pharmaceutical formulations and is generally regarded as an essentially nontoxic and nonirritant material. However, oral consumption of large amounts of croscarmellose sodium may have a laxative effect, although the quantities used in solid dosage formulations are unlikely to cause such problems.
In the UK, croscarmellose sodium is accepted for use in dietary supplements.
The WHO has not specified an acceptable daily intake for the related substance carboxymethylcellulose sodium, used as a food additive, since the levels necessary to achieve a desired effect were not considered sufficient to be a hazard to health.

저장

Croscarmellose sodium is a stable though hygroscopic material.
A model tablet formulation prepared by direct compression, withcroscarmellosesodiumasadisintegrant,showednosignificant differenceindrugdissolutionafterstorageat30°Cfor14months.
Croscarmellose sodium should be stored in a well-closed container in a cool, dry place.

비 호환성

The efficacy of disintegrants, such as croscarmellose sodium, may be slightly reduced in tablet formulations prepared by either the wet-granulation or direct-compression process that contain hygroscopic excipients such as sorbitol.
Croscarmellose sodium is not compatible with strong acids or with soluble salts of iron and some other metals such as aluminum, mercury, and zinc.

Regulatory Status

Included in the FDA Inactive Ingredients Database (oral capsules, granules, sublingual tablets, and tablets). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.

CROSCARMELLOSE SODIUM 준비 용품 및 원자재

원자재

준비 용품


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