Four Key Additional Safety Tips about oxalic acid
2026-05-09
Use in pharmaceutical synthesis requires approval and filing with drug regulatory authorities, and compliance with the national standard Good Manufacturing Practices (GMP) for raw materials regarding dosage. As an intermediate, the proportion is calculated in moles under standard formulation conditions (e.g., in the preparation of citrate piperazine, the molar ratio of oxalic acid to ethylenediamine should be maintained at 1:2.3). This step usually involves magnetic heating and stirring with fractional purification.
Four Key Additional Safety Tips about Oxalic Acid
1
Do not prepare oxalic acid solutions with arbitrary concentrations: Super-concentrated stock solutions (90%–98%) for building materials processing must be stored in acid-resistant polyethylene containers with sealed caps. They should be transported separately from metal parts or oxidizers, and the storage cabinet is recommended to be equipped with sand leakage-proof belts.
2
Avoid mixing with other acidic agents during daily use: Mixing with toilet cleaners containing hydrochloric acid may cause a sudden increase in chlorine gas, leading to poisoning risks.
3
Do not repeatedly spray natural organic materials (such as wood and bamboo products): Excessive corrosion will cause lignin carbonization. Stone materials should be used for a limited number of times; prolonged contact with marble floors or sculptures may cause oxidation, forming a carbonate layer that easily peels off.
4
Long-term workers should be included in the occupational health examination system: Quarterly urine tests are required to monitor oxalic acid metabolism and evaluate the urinary system. If symptoms of hypocalcemia appear, stop work immediately and receive medical treatment.
At the practical operation level, it is recommended to keep a dosage logbook, including key entries such as application date, temperature, total feeding amount, subsequent reaction phenomena, and abnormal handling methods, to provide traceability support for future quality control.
Oxalic Acid – Zibo Anhao Chemical Co., Ltd.
Zibo Anhao Chemical Co., Ltd. is a reliable Chinese manufacturer and supplier of high-quality oxalic acid (Ethanedioic Acid, CAS 144-62-7), strategically based in Zibo, Shandong—the heartland of China’s chemical industry. Our oxalic acid is available in anhydrous (≥99.5%) and dihydrate (≥99.0%) grades, appearing as a white crystalline powder with stable chemical properties, low moisture, and minimal impurities.
Zibo Anhao Chemical Co., Ltd. is a reliable Chinese manufacturer and supplier of high-quality oxalic acid (Ethanedioic Acid, CAS 144-62-7), strategically based in Zibo, Shandong—the heartland of China’s chemical industry. Our oxalic acid is available in anhydrous (≥99.5%) and dihydrate (≥99.0%) grades, appearing as a white crystalline powder with stable chemical properties, low moisture, and minimal impurities.
Produced under strict quality control and national standards, our oxalic acid features strong reducing power and excellent chelating ability, widely applied in textile dyeing (mordant/bleaching), metal treatment (rust removal/electroplating), rare earth extraction, organic synthesis, leather tanning, and pharmaceutical & agrochemical manufacturing. Each batch is fully tested and accompanied by COA, MSDS, and other compliance documents to meet global industrial demands.
With years of export experience across Asia, Europe, the Middle East, and beyond, we offer flexible packaging (25kg bags), competitive pricing, and reliable delivery terms (FOB/CIF/DDP). Whether for small trial orders or bulk supply, Zibo Anhao Chemical delivers consistent quality, stable supply, and tailored solutions to support your business growth.
https://www.anhaochemical.com/global-premier-oxalic-acid-the-all-purpose-chemical-transforming-1-product/ 