What are oxygen scrubbers

Carbohydrazide 99% Powder HYDRAZIDE LOWER THAN 250PPM Carbohydrazide

Port: QINGDAO, SHANGHAI Payment terms: L / C, T / T Available: 200 Metric Ton / Metric Tons per Month Application: Oxygen scrubber Brand Name: YUKAI Purity: ≥98.0% CAS no .: 497-18-7 CLASS NO: 9 Place of origin: Shandong China Look: White needle crystal Free hydrazine: ≤250 Loss on drying: ≤0.2% Degree standard: Industrial degree PH: 7.2-9.7 MF: CH6N4O U.N: 3077 EINECS No .: 207-837-2 Other names: 1,3-diaminourea Sulfates: ≤20PPM Melting point: 150-158℃ Packing details: 25KG BAG OR 25KG DRUM OR 500KG BIG BAG OR CARTON Package preview: https://sc04.alicdn.com/kf/H154d290a2a3e498fa155a6df93a3702eb.jpg_640x640.jpg,https://sc04.alicdn.com/kf/Hb0357dbd9b254769a34254e2b0191209Q