| 常用名 | 草酸 | CAS号 | 6153-56-6 |
|---|---|---|---|
| 价格 | ¥需询单/1ton | 纯度 | 96.0% |
| 备货期 | 1天 | 库存 | 现货 |
| 产品详情(用途,包装等)
草酸 OXALIC ACID 一、化学名: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:本品为无色透明单斜晶系结晶。通常以二水物存在。熔点101~102 ℃。相对密度(19 ℃)1.65。折射率1.440。可溶于水,稍溶于乙醚和乙醇。157 ℃升华。二水物易风化失水而成无水草酸。无水物熔点189.5 ℃(分解)。 六、用途:草酸主要用作还原剂和漂白剂。 七、包装:内衬聚乙烯塑料袋,外套塑料编织袋,每袋净重25kg。 八、贮存与运输:本品应贮存在干燥通风清洁的库房中,装载运输时要轻装轻放,防止包装破损,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离。 质量指标 Specification GB/T 1626-2008 草酸(H2C2O4·2H2O), w/% ≥ Assay(H2C2O4·2H2O), w/% ≥ 96.0 硫酸根(以SO4计), w/% ≤ Sulfates (SO4) , w/% ≤ 0.40 灼烧残渣, w/% ≤ Ignition Residue, w/% ≤ 0.15 重金属(以Pb计), w/% ≤ Heavy Metals (As Pb) , w/% ≤ 0.0005
铁(以Fe计), w/% ≤ Iron (As Fe) , w/% ≤ 0.005 氯化物(以Cl计), w/% ≤ Chlorides (As Cl) , w/% ≤ 0.01 钙(以Ca计), 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. 更多
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