Name: Maltose monohydrate
Brand: MM

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About This Item

经验公式（希尔记法）:

C₁₂H₂₂O₁₁ · xH₂O

CAS Number:

6363-53-7

分子量:

342.30 (anhydrous basis)

MDL编号:

MFCD00149343

UNSPSC代码:

41106212

EC索引号:

200-716-5

NACRES:

NA.74

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pH值（酸碱度）

4.5-6.0 (20 °C, 50 g/L in H₂O)

质量水平

200

mp

125 °C (anhydrous)

溶解性

470.2 g/L

堆积密度

320 kg/m³

应用

microbiology

储存温度

15-25°C

SMILES字符串

O1[C@@H]([C@@H]([C@H]([C@@H]([C@H]1CO)O)O)O)O[C@@H]([C@H](O)[C@@H](O)C=O)[C@H](O)CO.O

InChI

1S/C12H22O11.H2O/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12;/h1,4-12,14-21H,2-3H2;1H2/t4-,5+,6+,7+,8+,9-,10+,11+,12+;/m0./s1

InChI key

HBDJFVFTHLOSDW-DNDLZOGFSA-N

一般描述

Maltose monohydrate is a sugar with one molecule of water of hydration. It is a white crystalline powder, slightly sweet to taste. Maltose monohydrate is used for the identification of microbes that can ferment it, producing acid and in some cases gas. The identification is carried out using a phenol-red broth base, which contains all the required nutrients for growth of the microorganism except the carbohydrate source which is supplemented by the sugar. If fermentation takes place the indicator (phenol red) turns yellow in color due to the acid produced and if any gas is produced it is collected in the inverted Durham tubes.

应用

Maltose monohydrate is used in microbiology to study the specific nutritional properties of various microorganisms.

分析说明

Identity (IR): conforms
Spec. rotation [α²0/D (10 %; water; calc. on anhydrous substance): +135.0 - +139.0 °
Heavy metals (as Pb): ≤ 0.001 %
Water: 4.0 - 7.0 %
Suitability for microbiology: conforms

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

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