江苏科伦多食品配料有限公司 ×
服务热线:

18861332608

输入你要搜索的关键词,并按回车键。

必一运动官网的产品中心

product center

【 盗图必究 】

草酸 | 江苏科伦多食品配料有限公司-必一运动官网

产品描述/ product description

一、化学名:草酸,又名乙二酸

二、分子式:h2c2o4·2h2o

三、分子量:126.076

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:草酸主要用作和。

七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋包装,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,应与有毒物品隔离

 

质量指标 specification gb/t 1626-2008(氧化法)
草酸(h2c2o4·2h2o), w/%       ≥ content (h2c2o4·2h2o),w/%      96.0
硫酸根(以so4计), w/%         ≤ sulfates (as so4),w/%           ≤ 0.4
灼烧残渣, w/%                 ≤ ignition residue,w/%           ≤ 0.15
重金属(以pb计), w/%          ≤ heavy metal (as pb),w/%        ≤ 0.0005
铁(fe),w/%                   ≤ iron (fe),w/%                  ≤ 0.005
氯化物(以cl计), w/%          ≤ chlorides (as cl),w/%           ≤ 0.01
钙(ca), w/%                  ≤ calcium (ca),w/%              ≤ ————

 

1、chemical name: oxalic acid

2、molecular formula: h2c2o4·2h2o

3、molecular weight: 126.076

4、cas: 6153-56-6

5、character: it occurs as colorless transparent monoclinic system crystal. usually, it is dihydrated. its 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.

相关产品

网站地图