1.05910
Maltose monohydrate
suitable for microbiology
别名:
Maltose monohydrate, 4-O-a-D-Glucopyranosyl-D-glucose
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关于此项目
经验公式（希尔记法）:
C12H22O11 · xH2O
化学文摘社编号:
分子量:
342.30 (anhydrous basis)
UNSPSC Code:
41106212
EC Index Number:
200-716-5
NACRES:
NA.74
MDL number:
产品名称
Maltose monohydrate, suitable for microbiology
SMILES string
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
pH
4.5-6.0 (20 °C, 50 g/L in H2O)
mp
125 °C (anhydrous)
solubility
470.2 g/L
bulk density
320 kg/m3
application(s)
microbiology
storage temp.
15-25°C
Quality Level
Analysis Note
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
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
Application
Maltose monohydrate is used in microbiology to study the specific nutritional properties of various microorganisms.
General description
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.
存储类别
13 - Non Combustible Solids
wgk
WGK 1
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