江蘇科倫多食品配料有限公司
地址：江蘇省連云港市灌云經濟開發區緯二路
電話：0518-85115127
傳真：0518-85110537
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江蘇科倫多食品配料有限公司
地址：江蘇省連云港市灌云經濟開發區緯二路
電話：0518-85115127
傳真：0518-85110537
聯系人：李經理 18762572559
郵箱：sales2559@jskolod.com
網址：www.stacybennettauthor.com
草酸 OXALIC ACID
一、化學名：草酸，又名乙二酸
二、分子式：H2C2O4·2H2O
三、分子量：126.07
四、CAS：6153-56-6
五、性能：本品為無色透明單斜晶系結晶。通常以二水物存在。熔點101～102 ℃。相對密度（19 ℃）1.65。折射率1.440?？扇苡谒?，稍溶于乙醚和乙醇。157 ℃升華。二水物易風化失水而成無水草酸。無水物熔點189.5 ℃（分解）。
七、包裝：內襯聚乙烯塑料袋，外套塑料編織袋，每袋凈重25kg。
八、貯存與運輸：本品應貯存在干燥通風清潔的庫房中，裝載運輸時要輕裝輕放，防止包裝破損，防止受潮、受熱，運輸過程中防止雨淋受潮，應與有毒物品隔離。
質量指標 | Specification | GB/T 1626-2008 |
草酸（H2C2O4·2H2O）, w/% ≥ | Assay（H2C2O4·2H2O）, w/% ≥ | 96.0 |
硫酸根（以SO4計）, w/% ≤ | Sulfates (SO4) , w/% ≤ | 0.40 |
灼燒殘渣, w/% ≤ | Ignition Residue, w/% ≤ | 0.15 |
重金屬（以Pb計）, w/% ≤ | Heavy Metals (As Pb) , w/% ≤ | 0.0005 |
鐵（以Fe計）, w/% ≤ | Iron (As Fe) , w/% ≤ | 0.005 |
氯化物（以Cl計）, w/% ≤ | Chlorides (As Cl) , w/% ≤ | 0.01 |
鈣（以Ca計）, w/% ≤ | Calcium (As Ca) , w/% ≤ | 0.0010 |
1、Chemical Name: Oxalic Acid
2、Molecular Formula : H2C2O4·2H2O
3、Molecular Weight: 126.07
4、CAS：6153-56-6
5、Character: It occurs as colorless transparent monoclinic system crystal. Usually, it contains two hydrates. Melting point is 101-102 ℃. Relative density (19 ℃) is 1.65. Refractive index is 1.440. It’s soluble in water, slightly soluble in ether and ethanol. It sublimates at the temperature of 157℃. Dihydrate form effloresces easily and turns to anhydrous form. Melting point of anhydrous Oxalic Acid is 189.5 ℃ (decomposing).
6、Usage: It’s used as reducing agent and bleaching agent.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
