| 品牌 |  |
| 产品名称 |
α-乳糖 ： α-Lactose monohydrate ——【产品编号：SIGMA-L8783】
|
| CAS编号 | 5989-81-1 |
| 别名 | β-D-Gal-(1→4)-α-D-Glc 4-O-β-D-Galactopyranosyl-α-D-glucose，Milk sugar，α-D-乳糖单水合物 |
| 级别 | 生化级 |
| 纯度&分析 | BioXtra, ≥99% total lactose basis (GC) |
| Tips | 一种天然二糖化合物，是从牛奶中提取的，由右旋糖和半乳糖组成的，味微甜，本品水中易溶，微溶于醇， 氯仿或乙醚中不溶。 |
| 分子式 | C12H22O11 · H2O
|
| 分子量 | 360.31 |
| 储存条件 | 常温避光保存。 |
| 性质 |
| product line |
BioXtra |
| assay |
≥99% total lactose basis (GC) |
| impurities |
≤0.01% Phosphorus (P) |
| |
≤0.1% Insoluble matter |
| ign. residue |
≤0.1% |
| solubility |
H2O: soluble1 M, clear, colorless |
| anion traces |
chloride (Cl-): ≤0.05% |
| |
sulfate (SO42-): ≤0.05% |
| cation traces |
Al: ≤0.0005% |
| |
Ca: ≤0.005% |
| |
Cu: ≤0.0005% |
| |
Fe: ≤0.0005% |
| |
K: ≤0.02% |
| |
Mg: ≤0.0005% |
| |
NH4+: ≤0.05% |
| |
Na: ≤0.005% |
| |
Pb: ≤0.001% |
| |
Zn: ≤0.0005% |
|
| 原产地 | 美国 |
| 描述 |
| APPEARANCE |
WHITE POWDER |
| SOLUBILITY |
COMPLETE COLORLESS (1 M IN WATER) |
| AMMONIA CONTENT |
< OR = 0.05% |
| RESIDUE ON IGNITION |
< OR = 0.1% |
| CHLORIDE |
< OR = 0.05% |
| SULFATE |
< OR = 0.05% |
| INSOLUBLE MATTER |
< OR = 0.1% |
| ALUMINUM |
< OR = 0.0005% |
| CALCIUM |
< OR = 0.005% |
| COPPER |
< OR = 0.0005% |
| IRON |
< OR = 0.0005% |
| LEAD |
< OR = 0.001% |
| MAGNESIUM |
< OR = 0.0005% |
| PHOSPHORUS |
< OR = 0.01% |
| SODIUM |
< OR = 0.005% |
| ZINC |
< OR = 0.0005% |
| POTASSIUM |
< OR = 0.02% |
| PURITY BY GAS CHROMATOGRAPHY |
> OR = 99% TOTAL LACTOSE |
| |
< OR = 4% BETA-LACTOSE |
|
| 供货状态 | True |
| 参考文献 | N/A |
| 类型 | BSZH 有机化学试剂 |
| 安全信息 |
| 个人防护装备 |
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| WGK德国 |
3 |
|