Vanillinsyra 97+%
Leverantör: Thermo Scientific
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Varning
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Synonyms:
4-Hydroxy-3-methoxybenzoic acid
121350250
121351000
ACRO121350250EA
710
SEK
ACRO121350250
ACRO121351000
Vanillinsyra 97+%
Vanillinsyra
Formel:
C₈H₈O₄ MW: 168,15 g/mol Kokpunkt: 353 °C (1013 hPa) Smältpunkt: 210…214 °C Storage Temperature: Omgivande |
MDL Number:
MFCD00002551 CAS nummer: 121-34-6 EINECS: 204-466-8 Merck Index: 12,10068 |
Specifikation testresultat
Appearance | White to yellow to beige Powder |
Infrared spectrum | Conforms |
Melting point | 208 to 214 °C |
HPLC | ≥97.0 % |
GC | ≥99.0 % |
Color scale | ≤50 APHA |
Free acid | ≤0.5 % (as Crotonic acid) |
Suitability | (for use with Dithizone) Passes test |
Substance darkened by H2SO4 | ≤5 APHA |
Free chlorine | ≤5 ppm |
Calcium (Ca) | ≤0.1 ppm |
Copper (Cu) | ≤0.02 ppm |
Iron (Fe) | ≤0.1 ppm |
Lead (Pb) | ≤0.02 ppm |
Magnesium (Mg) | ≤0.05 ppm |
Potassium (K) | ≤0.1 ppm |
Sodium (Na) | ≤0.2 ppm |
Zinc (Zn) | ≤0.05 ppm |
Impurity | ≤0.005 % Trichloroethylene |
Total phosphorus (P) | ≤0.1 ppm |
Total silicon (Si) | ≤0.05 ppm |
Total sulfur (S) | ≤0.5 ppm |
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