ACACIA - Materials / Alfa Chemistry

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ACACIA

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Catalog Number

ACMA00016665

Product Name

ACACIA

Category

Polymers

Description

Solid

IUPAC Name

2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one

Molecular Weight

464.4g/mol

Molecular Formula

C21H20O12

Canonical SMILES

C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)CO)O)O)O)O)O

InChI

InChI=1S/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1

InChI Key

OVSQVDMCBVZWGM-QSOFNFLRSA-N

Melting Point

Mp 238-242 °;238-242°C

Density

1.35-1.49 (samples dried @ 100 °C are heavier)

Solubility

READILY SOL IN WATER;Insol in alc. Sol in glycerol and in propylene glycol, but prolonged heating (several days) may be necessary for complete soln (about 5%);Almost completely sol in twice its weight of water.;INSOL IN MOST ORGANIC SOLVENTS;Completely soluble in hot and cold water; yielding a viscous solution of mucilage; insoluble in alcohol.

Color/Form

Spheroidal tears up to 32 mm in diameter; also flakes and powder;COLORLESS OR HAS A YELLOWISH-BROWNISH HUE;WHEN GROUND, IT IS WHITE POWDER;Thin flakes, powder, granules, or angular fragments; color white to yellowish white; mucilaginous consistency

Complexity

758

Covalently-Bonded Unit Count

Exact Mass

464.095476g/mol

Formal Charge

Heavy Atom Count

MeSH Entry Terms

2-(3,4-dihydroxyphenyl)-3-(beta-D-glucofuranosyloxy)-5,7-dihydroxy-4H-1-benzopyran-4-one;4H-1-benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3-(beta-D-glucofuranosyloxy)-5,7-dihydroxy;flavone, 3,3',4',5,7-pentahydroxy-, 3-beta-D-glucofuranoside;isoquercetin;isoquercitin;isoquercitrin;isoquercitroside;isotrifoliin;quercetin 3-(beta-D-glucofuranoside);quercetin 3-O-beta-D-glucofuranoside;quercetin-3-glucoside;quercetin-3-O-beta-glucoside;quercetin-3-O-glucoside;trifoliin;trifoliin A

Monoisotopic Mass

464.095476g/mol

Odor

SOLN OF GOOD GRADES ARE PRACTICALLY ODORLESS;Almost odorless

Other Experimental

MIXED WITH TWICE ITS WT IN WATER IT DISSOLVES SLOWLY FORMING A VISCOUS LIQ WHICH IS VERY STICKY;Material containing less than 12% moisture chips easily and produces dust during transportation.;THE EQUIVALENT OF 0.002 TO 0.011 G POTASSIUM HYDROXIDE MAY BE NECESSARY TO NEUTRALIZE 1 G OF GUM;BEST DESCRIBED AS "HETEROPOLYMOLECULAR" IS NOT VERY VISCOUS;THE MOST RECENT, CAREFUL STUDY OF THE EXUDATE FROM ACACIA SENEGAL HAS SHOWN AVG MOL WT OF ABOUT 600,000;PARTIAL HYDROLYSIS MAY OCCUR @ LOW PH;QUALITATIVE BREAKDOWN OF SUGARS BY %: 30.3 L-ARABINOSE, 11.4 L-RHAMNOSE, 36.8 D-GALACTOSE, 13.8 D-GLUCURONIC ACID;Combustible...when heated to decomposition it emits acrid smoke;A carbohydrate polymer, complex and highly branched. The central core or nucleus is D-galactose and D-glucuronic acid (actually the calcium, magnesium, and potassium salts), to which are attached sugars such as L-arabinose and L-rhamnose

Rotatable Bond Count

Stability

EMULSIONS PREPD WITH ACACIA ARE STABLE OVER WIDE PH RANGE

UNII

6HN2PC637T

Viscosity

VISCOSITIES OF GUM ARABIC SOLN ARE RELATIVELY LOW WITH A VISCOSITY OF 200 CPS HAVING BEEN REPORTED FOR 30% SOLN; MAX VISCOSITY IS ATTAINED @ PH 6-7 WITH ONLY GRADUAL CHANGE OVER PH RANGE 5-10; VISCOSITY INCR GRADUALLY AS CONCN IS INCR UP TO 20-25%, @ WHICH POINT MORE MARKED INCR TAKES PLACE; VISCOSITY OF GUM ARABIC SOLN DECR WITH TEMP

XLogP3

0.4

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

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