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Carrageenan type i commercial grade

CAS
9000-07-1
Catalog Number
ACM9000071
Category
Heterocyclic Organic Compound
Molecular Weight
551.8g/mol
Molecular Formula
C23H23FN4O7Zn

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Specification

Description
OtherSolid;Yellowish to colourless, coarse to fine powder which is practically odourless
IUPAC Name
zinc;1-(5-cyanopyridin-2-yl)-3-[(1S,2S)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate
Canonical SMILES
CCC(=O)C1=C(C(=C(C=C1)F)C2CC2NC(=O)NC3=NC=C(C=C3)C#N)O.CC(=O)[O-].CC(=O)[O-].[Zn+2]
InChI
InChI=1S/C19H17FN4O3.2C2H4O2.Zn/c1-2-15(25)11-4-5-13(20)17(18(11)26)12-7-14(12)23-19(27)24-16-6-3-10(8-21)9-22-16;2*1-2(3)4;/h3-6,9,12,14,26H,2,7H2,1H3,(H2,22,23,24,27);2*1H3,(H,3,4);/q;;;+2/p-2/t12-,14+;;;/m1.../s1
InChI Key
UHVMMEOXYDMDKI-JKYCWFKZSA-L
Solubility
Soluble in hot water; insoluble in alcohol for a 1,5 % dilution;GENERALLY INSOL IN OILS & ORG SOLVENTS; SOL IN ANHYDROUS HYDRAZINE; SPARINGLY SOL IN FORMAMIDE, METHYL SULFOXIDE; INSOL IN N,N-DIMETHYLFORMAMIDE;1 G DISSOLVES IN 100 ML WATER @ ABOUT 80 °C; INSOL IN ETHANOL;Soluble in water forming viscous solutions
Color/Form
YELLOWISH TO COLORLESS, COARSE TO FINE POWDER; MUCILAGINOUS TEXTURE;White to beige powder
Complexity
647
Covalently-Bonded Unit Count
4
Decomposition
When heated to decomposition, it emits acrid smoke and fumes.
EC Number
232-524-2;232-524-2
Exact Mass
550.084219g/mol
Formal Charge
0
H-Bond Acceptor
10
H-Bond Donor
3
Heavy Atom Count
36
Monoisotopic Mass
550.084219g/mol
Other Experimental
STRONGLY CHARGED ANIONIC POLYELECTROLYTE OF LARGE SIZE;REGARDED AS CONTAINING 2 MAJOR FRACTIONS, GELLING FRACTION, KAPPA-CARRAGEENAN & NON-GELLING, LAMBDA-CARRAGEENAN;GENERALLY IT IS NECESSARY TO HEAT MOST CARRAGEENAN SOLUTIONS TO ATTAIN COMPLETE SOLUBILITY;PLANT SOURCE, MOLECULAR WEIGHT & PRESENCE OF METALLIC IONS AFFECT VISCOSITY;COMPOSED OF RESIDUES OF D-GALACTOSE & 3,6-ANHYDRO-D-GALACTOSE, MOLAR RATIO 1.11-1.5 TO 1 /KAPPA-CARRAGEENAN/;CONTAINS 1 SULFATE HALF-ESTER GROUP FOR EVERY 2.2-5 MONOSACCHARIDE UNITS, DEPENDING ON SOURCE /KAPPA-CARRAGEENAN/;COMPOSED PRIMARILY OF 1,3-LINKED D-GALACTOSE-2-SULFATE & 1,4-LINKED D-GALACTOSES-2,6-DISULFATE /LAMBDA-CARRAGEENAN/;SULFATE CONTENT OF KAPPA & LAMBDA CARRAGEENAN DIFFER SUBSTANTIALLY WITH APPROX 24% & 33%, RESPECTIVELY;SHOWS BLOOD ANTICOAGULANT ACTIVITY; DIL AQ SOLN ARE VISCOUS, VISCOSITY INCR ALMOST LOGARITHMICALLY WITH INCR CONCN;PPT PROTEINS WHEN PH OF SOLN IS BELOW ISOELECTRIC POINT OF PROTEIN; @ LOW CONCN CAUSES AGGLOMERATION OF MILK PROTEINS;UNDERGOES DEPOLYMERIZATION IN ACID SOLN;REACTS WITH LARGE MOLECULAR WEIGHT CATIONIC MOLECULES WITH HYDROPHILIC COMPONENTS TO FORM INSOL REACTION PRODUCTS;POTASSIUM, CESIUM, RUBIDIUM, & AMMONIUM SALTS INCR VISCOSITY OF CARRAGEENAN SOLN & ENHANCE GELLING PROPERTIES;COMPOSED PRIMARILY OF 1,3-LINKED GALACTOSE-4-SULFATE WITH 1,4-LINKED 3,6-ANHYDRO-D-GALACTOSE-2-SULFATE /IOTA-CARRAGEENAN/;IN PRESENCE OF SPECIFIC METALLIC CATIONS, EG POTASSIUM, SOLN WILL FORM SHORT INELASTIC, THERMALLY REVERSIBLE GELS;Carrageenan Gum is a hydrophilic colloid that absorbs water readily and complexes with milk proteins.;It is a mixture of polysaccharide fractions: (1) The lambda fraction is cold-water soluble, contains d-galactose and 35% esterified sulfate, and does not gel. The kappa fraction contains d-galactose and 3,6-anhydro-d-galactose (1.4:1 ratio) and 25% esterified sulfate. The kappa form does not gel without addition of a solute; the properties of the gel depend on the amount and nature of the added solute. Another species of seaweed produces 100% kappa /fraction/ from North Carolina to the tropics.;Forms chemically set gels with K+;Rapid hydrolysis at pH <4.5;Sol in very polar solvents. Sol in hot milk, hot conc sugar soln; above 60 °C in water as Na+ salt in cold water. K+ and Ca+ salts are insol in cold water. Insol in conc salt soln; 35% alcohol soln; insol with swelling in cold milk. Optimum stability occurs in pH 9. /kappa-form/;Sol in very polar solvents. Sol in hot milk, hot conc salt soln; above 40 °C in water, as Na+ salt in cold water; slightly sol in hot conc sugar soln. K+ and Ca+ salts are insol in cold water. Insol in 35% alcohol soln; insol in cold milk. Optimum stability occurs in pH 9. /l-form/;Sol in very polar solvents. Sol in water, milk, hot conc sugar soln, conc salt soln., as Na+ salt in 35% alcohol soln. Optimum stability occurs in pH 9. The most highly sulfated form 32-39%. /gamma-form/
Rotatable Bond Count
5
Stability
SOLUTIONS & GELS FAIRLY STABLE OVER WIDE PH RANGE @ ROOM TEMP OR LOWER; RAPIDLY DEGRADED @ LOW PH & HIGH TEMP;SOLUTIONS @ PH 9 ARE MOST STABLE
Viscosity
/p>Not less than 5 mPa.s (1,5 % solution at 75 °C)
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