• #
  • #
搜 索
选择类别
你当前的位置:首页 > 产品中心 >> 化学试剂类 >> 通用试剂 >> 糖类 >>
蔗糖
Sucrose
  CAS号:57-50-1
  分子式:C12H22O11
  分子量:342.30
  EINECS:200-334-9
  别    名:β-D-呋喃果糖基-α-D-吡喃葡糖,α-D-吡喃葡糖基-β-D-呋喃果糖,D(+)蔗糖,甜菜糖,
  别名英文名:Saccharose,Cane sugar,beet sugar,α-D-Glc-(1→2)-β-D-Fru,α-D-Glucopyranosyl β-D-fructofuranoside,β-D-Fructofuranosyl-α-D-glucopyranoside,D(+)-Saccharose,D-(+)-Sucrose,Sugar
  分子结构:

产品名称 规格级别 单位 包装 品牌
蔗糖 AR 500g
蔗糖 GR 500g

性状:无色单斜楔形结晶或白色颗粒或结晶性粉末。味甜。有吸湿性。在空气中稳定。不能还原斐林氏溶液。不形成脎。无变旋光性。在160186分解。能被稀酸转化酶水解成葡萄糖和果糖。1g溶于0.5ml水、170ml乙醇、约100ml甲醇,微溶于甘油、吡啶。
密度:1.587
熔点:191
折光率:1.34783
比旋光度:67° (c=26, in water 25°C) 

备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。

质量标准:

HG/T3-1001-76
项目Item                                                  分析纯 (AR)                化学纯(CP)
比旋光度([α]D20)Sepecific rotation                +66.4066.60         +66.4066.60
水溶液反应Water sulution reaction                   合格                       合格
澄清度试验Clarity                                        合格                       合格
水不溶液lnsoluble matter in water,%              ≤ 0.005                     0.02
氯化物(Cl)Chloride,%                                 ≤ 0.002                     0.004
硫酸盐(SO4)Sulfate,%                                 ≤ 0.02                       0.04
(Fe)Iron,%                                            ≤ 0.00005                  0.0002
钡及锶(Ba)Barium and Strontium,%        ≤ 0.001                     0.003
重金属(Pb)Heavy metals,%                   ≤ 0.0001                    0.0003
还原糖Reducing sugar,%                             ≤ 0.05                        0.1

ACS

项目名称                                         ACS Grade
比旋光度[α]25D Specific rotation          +66.3°- +66.8°
水不溶物Insoluble matter                    ≤0.005%
干燥失重Loss on drying                      ≤0.03%
灼烧残渣Residue after ignition            ≤0.01%
可滴定酸Titrable acid                        ≤0.0008meq/g
氯化物(Cl)Chloride                           ≤0.005%
硫酸盐和亚硫酸盐
(
SO4)Sulfate and sulfite              ≤0.005%
重金属(Pb)Heavy metals             ≤5ppm
(Fe)Iron(Fe)                                 ≤5ppm
还原糖Invert sugar                           ≤0.05%

品级Grade                                        分子生物学级 (for molecular biology, ≥99.5% (HPLC))
含量assay                                         ≥99.5% (HPLC)
DNA
DNases,                                   none detected
RNA
RNases,                                   none detected
不溶物insoluble matter,                       passes filter test
磷酸酶phosphatases,                           none detected
蛋白酶proteases,                                none detected
比旋光度Specific rotation [a]20/D         66.3 to 66.8°, c = 26% in H2O
游离酸free acid                                ≤0.0008 meq/g  
水不溶物water insoluble matter            ≤0.005%
转化糖invert sugar                            ≤0.05%  
重金属heavy metals (as Pb)                 ≤5 ppm
灼烧残渣ign. residue                         ≤0.01% (as SO4)
干燥损失loss on drying                      ≤0.03% , 105 °C
熔点mp                                           185-187 °C
水溶性solubility H2O:                       soluble0.1 g/mL, clear, colorless
chloride (Cl-):                              ≤50 ppm
硫酸根sulfate (SO42-):                      ≤50 ppm
λ 1 M in H2O
UV absorption
  λ: 260 nm A:                                 ≤0.11
  λ: 280 nm A:                                 ≤0.08

品级Grade                                          细胞和昆虫细胞培养级  
                                           (for cell culture , forinsect cell culture)
外观Appearance                                       白色结晶
红外光谱鉴别Infrared spectrometry             Conforms
纯度Purity                                             ≥99.5% (GC)
水溶性solubility H2O:                      soluble500 mg/mL , clear, colorless  
比旋光度Specific rotation [a]20/D       66.3 to 66.8°, c = 26% in H2O
UV absorption
  λ: 260 nm A:                                    ≤0.15 (100% SOLUTION)
  λ: 280 nm A:                                    ≤0.15 (100% SOLUTION)
重金属heavy metals (as Pb)                   ≤ 0.0005% (ASLEAD)
Cell culture test                                      PASS
Insect cell culture test                              PASS

品级Grade                                        植物细胞培养级(用于植物细胞培养)
外观Appearance                                 白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                                       ≥99.5% (GC)  
熔点Melting point                             185°C - 187°C
水溶解试验solubility in water             5GM/10ML water,Clear colorless to faint yellow solution
重金属heavy metals (as Pb)                 ≤ 0.0005% (ASLEAD)
UV absorption
  λ: 260 nm A:                                  ≤0.15 (100% SOLUTION)
  λ: 280 nm A:                                  ≤0.15 (100% SOLUTION)
植物细胞培养测试PLANT CELL CULTURE          PASS

贮存:密封保存。

用途:试剂蔗糖用于1-萘酚的测定,也用于钙、镁分离及生物培养基的制备。
细胞培养级用于蔗糖梯度纯化病毒和蛋白质。
植物细胞培养级用于植物细胞中的冷冻保护。
分子生物学级用于不连续蔗糖密度梯度的等密度离心法,如:从膜结合核糖体中分离mRNA

联合国编号:

Risk

Safety : S24/25 -

Hazard :

首 页 | 关于我们 | 产品中心 | 资源共享 | 售后服务 | 联系我们

绵阳市信捷商贸有限责任公司 版权所有 备案号:蜀ICP备11010759号

地址:四川省绵阳市涪城区剑门路东段262-8号

技术支持:中国联盟网