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Merck

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:
分子量:
342.30
Beilstein:
90825
EC號碼:
MDL號碼:
分類程式碼代碼:
12352201
PubChem物質ID:
NACRES:
NA.21

生物源

sugar cane

品質等級

產品線

BioXtra

化驗

≥99.5% (GC)

形狀

crystals

光學活性

[α]20/D +66.5±1°, c = 10 in H2O(lit.)

技術

gas chromatography (GC): suitable

雜質

Insoluble matter, passes filter test

燃燒殘留物

≤0.01% (as SO4)

損耗

≤0.2% loss on drying, HV, 18 - 26°C

顏色

white

pH值

5.5-7.5 (20 °C, 1 M in H2O)

mp

185-187 °C (lit.)

溶解度

H2O: 1 M, clear, colorless

負離子痕跡

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

正離子痕跡

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%

吸收

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

SMILES 字串

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 密鑰

CZMRCDWAGMRECN-UGDNZRGBSA-N

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應用

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。

準備報告

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。

其他說明

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。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析证书(COA)

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实验方案

Enzymatic Assay of Invertase

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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