Assume full accountability to satisfy all demands of our consumers; reach ongoing advancements by endorsing the expansion of our purchasers; come to be the final permanent cooperative partner of clients and maximize the interests of clientele for 100% Original Propanoic Acid CAS 79-09-4 Propionic Acid, Since establishment during the early 1990s, now we have setup our sale network in USA, Germany, Asia, and several Middle Eastern countries. We purpose to generally be a top class supplier for worldwide OEM and aftermarket!
Assume full accountability to satisfy all demands of our consumers; reach ongoing advancements by endorsing the expansion of our purchasers; come to be the final permanent cooperative partner of clients and maximize the interests of clientele for , We aim to become the modern enterprise with the commercial ideal of “Sincerity and confidence” and with the aim of “Offering customers the most sincere services and best quality products”. We sincerely ask for your unchanged support and appreciate your kind advice and guidance.
The key quality indicators for industrial-grade propionic acid are as follows:
Propionic acid content: ≥ 99.5% for premium grade, ≥ 99.0% for first grade (determined by acid-base titration);
Propionic acid Color (platinum-cobalt scale): ≤ 10 Hazen units for premium grade, ≤ 20 Hazen units for first grade (tested in accordance with GB/T 605);
Propionic acid Moisture content: ≤ 0.10% for premium grade, ≤ 0.20% for first grade (determined by Karl Fischer method);
Evaporation residue: ≤ 0.01% for premium grade, ≤ 0.03% for first grade (determined by gravimetric method at 105°C);
Iron (Fe) content: ≤ 0.0005% for premium grade, ≤ 0.001% for first grade (determined by atomic absorption spectrometry);
Propionic acid Heavy metals (as Pb): ≤ 0.0005% for premium grade, ≤ 0.001% for first grade (determined by thioacetamide colorimetry).