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琼脂糖

别名:琼脂糖凝胶;球状琼脂糖 产品编号:2860 CAS号:9012-36-6 分子式:C12H18O9 分子量:306.26
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订货信息

订货编号 产品名称 规格 包装 价格 数量 操作
A12712-25g 琼脂糖 BR 25g 89.00

A12712-100g 琼脂糖 BR 100g 395.00

B12712-10g 琼脂糖 电脉用 10g 175.00

化学性质


熔点 ≤90 °C (4% in water)(lit.)


密度 1.00 g/mL at 20 °C


闪点 38 °C


储存条件 2-8°C


溶解度 H2O: 20 mg/mL hot, slightly hazy, very faintly yellow


form suspension (75% in water)


敏感性 Moisture Sensitive & Hygroscopic
-----------------------
密度 :1.8±0.1 g/cm³

沸点 :993.9±65.0 ℃ at 760 mmHg

分子式 :C24H38O19

分子量 :630.547

闪点 :554.9±34.3 ℃

精确质量 :630.200745

PSA :285.37000

LogP :-2.85

蒸汽压 :0.0±0.6 mmHg at 25℃

折射率 :1.679

储存条件 :

常温密闭避光,通风干燥处

稳定性 :

Analysis Note The following is a list of properties associated with our agaroses:

Sulfate content - used as an indicator of purity, since sulfate is the major ionic group present.

Gel strength - the force that must be applied to a gel to cause it to fracture.

Gel point - the temperature at which an aqueous agarose solution forms a gel as it cools. Agarose solutions exhibit hysteresis in the liquid-to-gel transition - that is, their gel point is not the same as their melting temperature.

Electroendosmosis (EEO) - a movement of liquid through the gel. Anionic groups in an agarose gel are affixed to the matrix and cannot move, but dissociable counter cations can migrate toward the cathode in the matrix, giving rise to EEO. Since electrophoretic movement of biopolymers is usually toward the anode, EEO can disrupt separations because of internal convection.

Application Routine use agarose is ideal for everyday analysis of nucleic acids by gel electrophoresis or blotting (Northern or Southern) and is also suitable for protein applications such as Ouchterlony and radial immunodiffusion (RID). Has low ethidium bromide and SYBR Green background staining.



计算化学 :

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:1

4.可旋转化学键数量:6

5.互变异构体数量:7

6.拓扑分子极性表面积17.1

7.重原子数量:15

8.表面电荷:0

9.复杂度:178

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1



更多 :

1. 性状:白色或黄色珠状凝胶颗粒或粉末。 2. 密度(g/mL,20℃): 1.0 3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(℃):260

5. 沸点(℃,常压):未确定

6. 沸点(℃,5.2kPa):未确定

7. 折射率:未确定

8. 闪点(℃):38

9. 比旋光度(º ):未确定

10. 自燃点或引燃温度(℃):未确定

11. 蒸气压(kPa,25℃):未确定

12. 饱和蒸气压(kPa,60℃):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(℃):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性: 有吸湿性。溶于热水,不溶于冷水和有机溶剂。


危险属性


危险品标志 Xi


危险类别码 10-36/37/38


安全说明 16-26-36


WGK Germany 3


F 3


-----------------------
符号 :GHS02

信号词 : Warning

危害声明 :H226

个人防护装备 : Eyeshields; Gloves; type N95 (US); type P1 (EN143) respirator filter

危险品运输编码 :NONH for all modes of transport

质量标准


1. BR 2. 电泳用

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