葡聚糖,又稱右旋糖酐,CAS號(hào):9004-54-0,英文名Dextran,Glucose polymer,是由在蔗糖溶液中培養(yǎng)的細(xì)菌[腸膜明串珠菌(Leuconostocmesentero-des),葡聚糖明串珠菌(L.dextranicum)]的葡聚糖蔗糖酶催化下列反應(yīng)而生成的一種多糖。葡聚糖制成的凝膠常用來(lái)進(jìn)行層析分離。
英文名稱:Dextran;Glucose polymer
CAS號(hào):9004-54-0
EINECS號(hào): 232-677-5
MDL number: MFCD00130935
分子式: (C6H10O5)n
分子量:35000~45000
CAS號(hào):9004-54-0
EINECS號(hào): 232-677-5
MDL number: MFCD00130935
分子式: (C6H10O5)n
分子量:35000~45000
包裝規(guī)格
100g, 500g, 1KG。更大包裝請(qǐng)?jiān)儍r(jià):400-021-8158
產(chǎn)品優(yōu)勢(shì)
貨號(hào)ACJ0006A(124004),含量高,質(zhì)量穩(wěn)定,性價(jià)比好。
同時(shí)也提供進(jìn)口品牌產(chǎn)品:
點(diǎn)擊查看其他品牌的葡聚糖產(chǎn)品
點(diǎn)擊查看其他品牌的葡聚糖產(chǎn)品
用途
- 生化試劑,親和層析凝膠、蛋白層析和凝膠色譜用過(guò)濾介質(zhì)。
- β-葡聚糖可促進(jìn)體內(nèi)IgM抗體的產(chǎn)生,以提高體液的免疫能力
- 中分子右旋糖酐主要用于增加血漿容量,維持血壓,以抗休克為主
物化數(shù)據(jù)
- 性狀:白色粉末
- 比旋光度:185 ° (C=6, H2O)
安全信息
- 危險(xiǎn)類別碼 20/21/22-36/37/38
- 安全說(shuō)明 24/25-37/39-36-26
- WGK Germany 2
- RTECS號(hào) HH9230000
- F 3
貯存方法
RT,防潮。
Molecular weight
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35000~45000
|
Molecular weight distribution
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M10 ≤110000
M90 ≥7000
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Solubility
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Very soluble in water, very slightly in alcohol, Clear and colorless solution |
Identification
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|
Specific optical rotation |
+195.0~+201.0°
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Infrared absorption spectrogram |
Comparing with the spectrum obtained from dextran CRS
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Acidity / alkalinity
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Reaction with phenolphthalein ,NaOH and HCl
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Nitrogen
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≤110ppm
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Residual solvents
|
|
Ethanol
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≤0.5%
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Methanol
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≤0.05%
|
Other
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≤0.5%
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Heavy metals
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≤10ppm
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Loss on drying
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≤7.0%
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Sulphated ash
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≤0.3%
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Bacterial endotoxins
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<10 IU/g
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Total viable aerobic
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≤100 CFU/g
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No colibacillus
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Not detected
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Appearance
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White powder
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