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Merck
CN
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文件

安全信息

S7903

Sigma-Aldrich

蔗糖

≥99.5% (GC), BioXtra

别名:

α-D-Glc-(1→2)-β-D-Fru, α-D-吡喃葡萄糖基β-D-呋喃果糖苷, β-D-果糖-α-D-吡喃葡萄糖苷, D(+)-蔗糖, 糖

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About This Item

经验公式（希尔记法）:
C12H22O11
CAS号:
57-50-1
分子量:
342.30
Beilstein:
90825
EC 号:
200-334-9
MDL编号:
MFCD00006626
UNSPSC代码:
12352201
PubChem化学物质编号:
24899768
NACRES:
NA.21

生物来源

sugar cane

质量水平

300

产品线

BioXtra

检测方案

≥99.5% (GC)

形式

crystals

旋光性

[α]20/D +66.5±1°, c = 10 in H2O(lit.)

技术

gas chromatography (GC): suitable

杂质

Insoluble matter, passes filter test

灼烧残渣

≤0.01% (as SO4)

缺失

≤0.2% loss on drying, HV, 18 - 26°C

颜色

white

pH值（酸碱度）

5.5-7.5 (20 °C, 1 M in H2O)

mp

185-187 °C (lit.)

溶解性

H2O: 1 M, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.005%

痕量阳离子

Al: ≤0.0005%
As: ≤0.0001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

吸光度

≤0.07 at 280 in H2O at 1 M
≤0.09 at 260 in H2O at 1 M

SMILES字符串

OC[C@H]1O[C@H](O[C@]2(CO)O[C@H](CO)[C@@H](O)[C@@H]2O)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C12H22O11/c13-1-4-6(16)8(18)9(19)11(21-4)23-12(3-15)10(20)7(17)5(2-14)22-12/h4-11,13-20H,1-3H2/t4-,5-,6-,7-,8+,9-,10+,11-,12+/m1/s1

InChI key

CZMRCDWAGMRECN-UGDNZRGBSA-N

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相关类别

应用

蔗糖可用于制备用于细胞/细胞器分离的密度梯度。溶液的折射率与密度直接相关。 另外，蔗糖可以用作植物、昆虫和细菌培养基的补充剂并用于各种酶促测定中。

制备说明

溶液可在最高121°C的温度下高压灭菌15-20分钟。此时葡萄糖和果糖会发生一定程度的水解，而这部分取决于高压灭菌锅达到所需温度和压力的速度。 必须注意防止溶液焦糖化。

其他说明

为了全面了解我们针对客户研究提供的各种二糖产品，建议您访问我们的碳水化合物分类页面。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

监管及禁止进口产品

分析证书(COA)

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Dawson, R.M.C., et al.
Data for Biochemical Research, 545-546 (1986)
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Centrifugation - a practical approach, Appendix IV-Appendix IV (1984)
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实验方案

Enzymatic Assay of Invertase

Enzymatic Assay of Invertase

转化酶的酶学测定

在测定转化酶活性时，使用了一种在410nm处的分光光度终点反应法进行测定。在55 ºC、pH 4.5条件下，一单位的转化酶每分钟可将1.0 μmole的蔗糖水解为转化糖。

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