$520.00
20 Tons (MOQ)
Food Grade Starch Sugar Powder Glucose Dextrose Monohydrate
QINGDAO SINSUR CHEMICAL CO., LTD.
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High Purity D-Maltose for Biological Culture Medium CAS 69-79-4 Maltose
| Price | $60.00 |
|---|---|
| Min Order | 1 kg |
| Availability | In Stock |
| Shipping From | Shandong, China |
| Popularity | 409 people viewed |
Model NO.:
b qsn 69-79-4
CAS No.:
69-79-4
Formula:
C12h22o11
EINECS:
200-716-5
Resource:
Natural
MW:
342.3
Appearance:
White Powder
Purity:
99%
Sample:
Support
Storage:
Yes
Trademark:
Future Chemical
Transport Package:
Bag
Specification:
25kg
Origin:
China
Product Description
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 | SPECIFICATIONS | RESULTS |
Characteristics | A white,crystalline powder,with a sweet taste, freely soluble in water sparingly soluble in alcohol | Conforms |
Identification | (1)Conforms | Conforms |
Assay%,maltose | ≥90.0% | 98.39% |
Assay%,glucose | ≤2.5% | 1.26% |
pH | 4.0-6.0 | 5.26 |
Chloride | ≤0.01% | 0.01% |
Sulfate | ≤0.3% | 0.3% |
Moisture | ≤6.5% | 5.8% |
Residue on ignition | ≤0.1% | 0.03% |
(Pb) | ≤0.00005% | 0.00005% |
(Cu) | ≤0.0005% | 0.0005% |
AS | ≤0.0001% | 0.0001% |
(SO2) | ≤0.01% | Not detected |
Total Germs | ≤3000 CFU/g | 80 CFU/g |
Molds | ≤100 CFU/g | 6 CFU/g |
E. Coli | Not detected | Not detected |
Particle sizes | 100-140 mesh | passed |
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