经典三级在线一区,日本午夜精品,久久夜夜操妹子,亚洲欧美一区二区三区久本道91

甘氨酸甲酯鹽酸鹽 Glycinemethylester hydrochloride

molecular formula :c3h7no2hcl molecular weight :125.55
application:it is mainly used as an intermediate for pyrethroid pesticides and aerosol insecticides.
property:white crystalline powder; soluble in water, slightly soluble in ethanol;
cas no.:5680-79-5 hs :2922999.90
product specifications
industrial grade
export level
biochemical reagent
executive standard
yotech standard
yotech standard
yotech standard
content %
≥98.5%
≥99%
≥99.5%
melting point ℃
170-176℃
174-175℃
174-176℃
sulfate %
≤0.02%
≤0.01%
≤0.001%
heavy metal(in terms of fe) %
≤0.001%
≤0.001%
≤0.002%
glycine hydrochloride %
≤1.2%
≤0.8%
≤0.6%
free acid %
≤0.2%
≤0.1%
≤0.1%
fe %
≤0.002%
≤0.001%
≤0.001%
ph value (15%water/25℃)
1.0-2.0
1.0-2.0
1.0-2.0
chloride %
/
/
30.0-32.0%
glycine %
/
/
65.6-67.7%
burning residue %
≤0.1%
≤0.1%
≤0.1%
clarity test (20%)
clarify colorless and transparent
clarify colorless and transparent
clarify colorless and transparent
arsenic %
≤0.0003%
≤0.0003%
≤0.0003%
central inspection
appearance identification
white crystalline powder
white crystalline powder
white crystalline powder
loss on drying(105℃/2h) %
≤0.5%
≤0.2%
≤0.2%
whiteness(70-90um granularity) %
80%
85%
95%
transmission rate 15%
≥96%
≥98%
≥99%
granularity(u.s.screen) item
90%pass 40-100 item
90%pass 40-100 item
90%pass 40-100 item
shelf life year
1 year
1 year
1 year

嬰兒洗浴護理中心

廣州發貨到尼泊爾雙清到門專線

上海區域回收碘化鉀

河北棋牌開發公司

茶螺烷CAS 36431-72-8

供應日力重工3.5噸越野叉車山區道路行駛的旋轉

南寧考電工證上崗證操作證

旋轉許愿樹

東莞手機芯片IC顆粒回收128GB

深圳學歷提升的方式方法

主站蜘蛛池模板: 久治县| 苏尼特左旗| 石家庄市| 伊川县| 五峰| 伊通| 西贡区| 平湖市| 长岭县| 杭州市| 内黄县| 曲松县| 章丘市| 绩溪县| 仁化县| 甘肃省| 桐柏县| 比如县| 广灵县| 文成县| 青岛市| 正阳县| 湘潭县| 田东县| 石泉县| 孟村| 大厂| 綦江县| 嘉鱼县| 凌源市| 济源市| 岚皋县| 城市| 石屏县| 宝兴县| 通山县| 泗洪县| 韶关市| 霍林郭勒市| 昔阳县| 江门市|