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카르복심틸셀룰로오스

카르복심틸셀룰로오스
카르복심틸셀룰로오스 구조식 이미지
카스 번호:
9000-11-7
한글명:
카르복심틸셀룰로오스
동의어(한글):
카르복심틸셀룰로오스;카르복심틸셀룰로오스(CARBOXYMETHYLCELLULOSE);크로스카멜로오스
상품명:
Carboxymethyl cellulose
동의어(영문):
7h;CMC;E466;kmts;apeyel;apergel;carbose;cmc-4lf;thylose;CMC(GEJ)
CBNumber:
CB3399316
분자식:
C6H12O6
포뮬러 무게:
180.15588
MOL 파일:
9000-11-7.mol

카르복심틸셀룰로오스 속성

밀도
1.050 g/cm3(Temp: 15-18 °C)
FEMA
2239 | CARBOXYMETHYLCELLULOSE
용해도
Practically insoluble in anhydrous ethanol. It swells with water to form a suspension and becomes viscid in 1 M sodium hydroxide.
물리적 상태
preswollen, microgranular
안정성
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS 데이터베이스
9000-11-7(CAS DataBase Reference)
EPA
Cellulose, carboxymethyl ether (9000-11-7)

안전

WGK 독일 1
RTECS 번호 FJ5700000
HS 번호 3912310000
독성 LD50 unreported in mammal (species unspecified): 13340mg/kg
기존화학 물질 KE-04840

카르복심틸셀룰로오스 MSDS


CMC

카르복심틸셀룰로오스 C화학적 특성, 용도, 생산

화학적 성질

White or almost white powder, hygroscopic.

화학적 성질

Cellulose is a natural substance normally present in most diets because it is the major structural carbohydrate of green plants. Cellulose is essentially a linear polymer of glucopyranose units connected by α-1,4-glucoside links. In nature, cellulose is present in plant cell walls as fibers. The molecular weight of the isolated cellulose is approximately 50,000 daltons. The principal sources of cellulose for food-related purposes are cotton linters and wood pulp.
Chemical processing converts cellulose into forms or derivatives suitable for incorporation into food products or for use in food packaging materials. For food use, the optimum degree of substitution of a carboxymethyl-residue on each anhydroglucopyranose unit on cellulose is 0.95. By preliminary mild acid hydrolysis, the degree of polymerization (i.e., molecular size) of the cellulose may be reduced before carboxymethylation. Control of the degree of substitution and the degree of polymerization during processing results in production of a wide variety of derivatives that differ in such physical properties as gelling, temperature, viscosity and dispersibility in water. Sodium carboxymethyl cellulose is used as a thickening agent and stabilizer in foods. Because carboxymethyl cellulose is spontaneously converted to sodium salt in alkaline solution, it is probable that any distinction between carboxymethyl cellulose and sodium carboxymethyl cellulose in foodstuffs is artificial.*

용도

Pharmaceutic aid (suspending agent); pharmaceutic aid (tablet excipient); pharmaceutic aid (viscosity-increasing agent).

용도

carboxymethyl cellulose (cellulose gum) is a thickener. used in cosmetic formulations when a reactant is not required or desired. often used in bath preparations, beauty masks, hand creams, and shampoos. It is considered a non-comedogenic raw material.

용도

Carboxymethylcellulose(CMC) is a gum that is water-soluble cellulose ether manufactured by reacting sodium monochloroacetate with alkali cellulose to form sodium . It dissolves in hot or cold water and is fairly stable over a pH range of 5.0–10.0, but acidification below pH 5.0 will reduce the viscosity and stability except in a special acid-stable type of CMC. A variety of types are available which differ in viscosity and degree of substitution (the number of sodium groups per unit). It functions as a thickener, stabilizer, binder, film former, and suspending agent. It is used in a variety of foods to include dressings, ice cream, baked goods, puddings, and sauces. The usage range is from 0.05 to 0.5%. Also termed cellulose gum.

제조 방법

Sodium carboxymethyl cellulose is produced by treating wood pulp or cotton linters with alkali and monochloroacetic acid. It occurs as a white- or cream-colored powder or granules.

상표명

Celluvisc (Allergan); Refresh Plus, Cellufresh Formula (Allergan).

공업 용도

Carboxymethyl cellulose is manufactured with molecular weights ranging from 50,000 to 800,000. Several modifications are of interest to flotation because they display good depressing properties for highly floatable magnesium-bearing minerals. These include sodium salts of phenolphthalein ether cellulose and ethanesulfo cellulose.

공업 용도

Lignin sulfonate is used as dispersant, flocculant and depressant. Lignin is an amorphous polyphenolic compound derived from enzymatic polymerization of three phenylpropanoid monomers.

Carcinogenicity

Sarcomas were produced at the site of repeated subcutaneous injection of aqueous solutions of carboxymethylcellulose. It should be noted, however, that massive doses were given and therefore there must have been considerable local trauma.

카르복심틸셀룰로오스 준비 용품 및 원자재

원자재

준비 용품


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