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6-O-Palmitoyl-L-ascorbic acid 98,0-100,5, EMPROVE® ESSENTIAL NF, Ph. Eur., E304, BP, FCC suitable for use as excipient, SAFC®

Dostawca: MERCK PRODUCTION CHEMICALS

Synonim: L-Ascorbic acid 6-palmitate, Palmitoyl-L-ascorbic acid, Ascorbyl Palmitate, (S)-2-((R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate, L(+)-Ascorbyl palmitate

5.00090.2500 5.00090.9010
5.00090.2500EA 0 PLN
5.00090.2500 5.00090.9010
6-O-Palmitoyl-L-ascorbic acid 98,0-100,5, EMPROVE® ESSENTIAL NF, Ph. Eur., E304, BP, FCC suitable for use as excipient, SAFC®
6-O-Palmitoyl-L-ascorbic acid
Formuła: C₂₂H₃₈O₇
MW: 414.54 g/mol
Temp. Wrzenia: ∼250 °C
Temp. topnienia: 107…117 °C
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00005377
Numer CAS: 137-66-6
Numer WE (dawny EINECS): 205-305-4

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Wyniki testów specyfikacyjnych

Assay (iodometric, calc. on dried substance) 98.0 - 100.5 %
Identity (IR-spectrum) conforms
Identity (Tillmans-Reaction) conforms
Appearance white or yellowish-white powder
Appearance of solution (100 g/l, methanol) clear and not more intense in colour than colour reference solution BY4 (Ph. Eur.)
Melting range (lower value) ≥ 107 °C
Melting range (upper value) ≤ 117 °C
Spec. rotation α 20/D (100 g/l, Metanol, calc on dried basis) +21 - +24 °
Spec. rotation α 20/D (50 g/l, methanol) +21 - +24 °
Spec. rotation α 25/D (100 g/l, Metanol, calc on dried basis) +21 - +24 °
Spec. rotation α 25/D (100 g/l, methanol) +21 - +24 °
Heavy metals (as Pb) ≤ 10 ppm
As (Arsenic) ≤ 3 ppm
Cu (Copper) ≤ 25 ppm
Hg (Mercury) ≤ 1 ppm
Pb (Lead) ≤ 2 ppm
Zn (Zinc) ≤ 25 ppm
Ethyl acetate (HS-GC) ≤ 5000 ppm
Methylisobutylketone (HS-GC) ≤ 5000 ppm
Other residual solvents (ICH Q3C) excluded by manufacuring process
Sulfated ash (600 °C) ≤ 0.1 %
Loss on drying (5 h, 60 °C, Vacuum) ≤ 1.0 %
Residues of metal catalysts or metal reagents acc.to EMEA/CHMP/SWP/4446/2000 are not likely to be present.
Correspond to Ph Eur, BP, NF, FCC, E 304 Conforms to the purity criteria on food additives according to the current ECR


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