Vanillic acid 97+%

Supplier: Thermo Scientific
Warning

Synonyms: 4-Hydroxy-3-methoxybenzoic acid

121350250 121351000
ACRO121350250EA 47 EUR
ACRO121350250 ACRO121351000
Vanillic acid 97+%
Vanillic acid
Formula: C₈H₈O₄
MW: 168,15 g/mol
Boiling Pt: 353 °C (1013 hPa)
Melting Pt: 210…214 °C
Storage Temperature: Ambient
MDL Number: MFCD00002551
CAS Number: 121-34-6
EINECS: 204-466-8
Merck Index: 12,10068

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Specification Test Results

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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