6-O-Palmitoyl-L-ascorbic acid 98.0-100.5%, EMPROVE® ESSENTIAL Ph. Eur., BP, NF, FCC, E304, SAFC®

Toimittaja: MERCK PRODUCTION CHEMICALS

5.00090.9010EA 0 EUR
5.00090.9010 5.00090.2500
6-O-Palmitoyl-L-ascorbic acid 98.0-100.5%, EMPROVE® ESSENTIAL Ph. Eur., BP, NF, FCC, E304, SAFC®
6-O-Palmitoyl-L-ascorbic acid
Kaava: C₂₂H₃₈O₇
MW: 414,54 g/mol
Kiehumispiste: ∼250 °C
Sulamispiste: 107…117 °C
Storage Temperature: Huoneenlämpö
MDL numero: MFCD00005377
CAS-numero: 137-66-6
EINECS: 205-305-4

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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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