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江蘇廠家直銷(xiāo)科倫多牌草酸
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草酸 OXALIC ACID
一、化學(xué)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(wú)色透明單斜晶系結(jié)晶。通常以二水物存在。熔點(diǎn)101~102 ℃。相對(duì)密度(19 ℃)1.65。折射率1.440??扇苡谒匀苡谝颐押鸵掖?。157 ℃升華。二水物易風(fēng)化失水而成無(wú)水草酸。無(wú)水物熔點(diǎn)189.5 ℃(分解)。
七、包裝:內(nèi)襯聚乙烯塑料袋,外套復(fù)合塑料編織袋包裝,每袋凈重25kg。
八、貯存與運(yùn)輸:本品應(yīng)貯存在干燥通風(fēng)清潔的庫(kù)房中,裝載運(yùn)輸時(shí)要輕裝輕放,防止包裝破損,防止受潮、受熱,運(yùn)輸過(guò)程中防止雨淋受潮,應(yīng)與有毒物品隔離。
質(zhì)量指標(biāo) | Specification | GB/T 1626-2008 |
草酸(H2C2O4·2H2O), w/% ≥ | Assay(H2C2O4·2H2O), w/% ≥ | 96.0 |
硫酸根(以SO4計(jì)), w/% ≤ | Sulfates (SO4) , w/% ≤ | 0.40 |
灼燒殘?jiān)?/span>, w/% ≤ | Ignition Residue, w/% ≤ | 0.15 |
重金屬(以Pb計(jì)), w/% ≤ | Heavy Metals (As Pb) , w/% ≤ | 0.0005 |
鐵(以Fe計(jì)), w/% ≤ | Iron (As Fe) , w/% ≤ | 0.005 |
氯化物(以Cl計(jì)), w/% ≤ | Chlorides (As Cl) , w/% ≤ | 0.01 |
鈣(以Ca計(jì)), w/% ≤ | Calcium (As Ca) , w/% ≤ | ———— |
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 is dihydrated. It’s melting point is 101-102 ℃. The relative density (19 ℃) is 1.65. The 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 Oxalic Acid anhydrous 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.