85-1341-41　p-Aminobenzoic acid, Free Acid (PABA, Vitamin B10) 1Kg　CAS No:150-13-0　A1375

特徴

• Widely distributed in nature as a B complex factor. Baker’s yeast contains 5 to 6 ppm, brewer’s yeast from 10 to 100 ppm. Occurs free and in ester form.
• Synonyms:Vitamin B10; p-Aminobenzoic Acid; Bacterial Vitamin H1; p-Carboxyaniline; p-Carboxyphenylamine; Actipol; Amben; PABA; Pabacyd; Pabafilm; Trichochromogenic Factor; Vitamin BX; Vitamin H
• Molecular Formula:C₇H₇NO₂
• Molecular Weight:137.14
• Purity:≥99%
• Appearance:Supplied as a white to off-white powder
• Melting Point:186-189ºC
• Loss on Drying:≤0.2%
• Residue on Ignition:≤0.1%
• Heavy Metals:≤0.002%
• Volatile Diazotizable Substitutes (as p-Toluidine):≤0.002%
• Identification:To pass test
• Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Do not freeze. Aliquots are stable for 12 months after receipt.