Customization: | Available |
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CAS No.: | 69-79-4 |
Formula: | C12h22o11 |
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Maltose for Biological culture medium Cas 69-79-4 D-MALTOSE
Maltose Basic information | |
Product Name: | Maltose |
CAS: | 69-79-4 |
MF: | C12H22O11 |
MW: | 342.3 |
EINECS: | 200-716-5 |
Maltose Chemical Properties | |
Melting point | 110 °C |
Boiling point | 397.76°C (rough estimate) |
density | 1.54 |
refractive index | n20/D 1.361 |
storage temp. | Sealed in dry,2-8°C |
solubility | Very soluble in water; very slightly soluble in cold ethanol (95%); practically insoluble in ether. |
pka | 12.39±0.20(Predicted) |
PH | 4.0-6.5 (25ºC) |
Water Solubility | 310.3g/L(20 ºC) |
λmax | λ: 260 nm Amax: 0.08 |
λ: 280 nm Amax: 0.07 | |
Merck | 135,736 |
BRN | 93798 |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
CAS DataBase Reference | 69-79-4(CAS DataBase Reference) |
NIST Chemistry Reference | D-Glucose, 4-o-«alpha»-D-glucopyranosyl-(69-79-4) |
EPA Substance Registry System | D-Glucose, 4-O-.alpha.-D-glucopyranosyl- (69-79-4) |
TEST
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SPECIFICATIONS
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RESULTS
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Characteristics
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A white,crystalline powder,with a sweet taste, freely soluble in water sparingly soluble in alcohol
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Conforms
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Identification
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(1)Conforms
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Conforms
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Assay%,maltose
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≥90.0%
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98.39%
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Assay%,glucose
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≤2.5%
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1.26%
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pH
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4.0-6.0
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5.26
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Chloride
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≤0.01%
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0.01%
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Sulfate
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≤0.3%
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0.3%
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Moisture
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≤6.5%
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5.8%
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Residue on ignition
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≤0.1%
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0.03%
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(Pb)
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≤0.00005%
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0.00005%
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(Cu)
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≤0.0005%
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0.0005%
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AS
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≤0.0001%
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0.0001%
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(SO2)
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≤0.01%
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Not detected
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Total Germs
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≤3000 CFU/g
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80 CFU/g
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Molds
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≤100 CFU/g
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6 CFU/g
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E. Coli
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Not detected
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Not detected
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Particle sizes
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100-140 mesh
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passed
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