D(+)-乳糖一水合物 (CAS No.64044-51-5)
- 物化性质
- 白色结晶性颗粒或粉末,无臭,味微甜;易溶于水,不溶于乙醇、氯仿或乙醚。分子量 360.31,熔点 201~202℃(分解),比旋光度 [α]D20 +52.0°~+52.6°。
- 技术参数
- 纯度(以无水物计)≥ 99.0% 外观为白色结晶性颗粒或粉末,无臭,味微甜 在水中易溶,在乙醇、氯仿或乙醚中不溶 干燥失重(105℃恒重)为 4.5%~5.5% 比旋光度 [α]D20 为 +52.0°~+52.6°
English description(英文原文,共 1105 字符)
Product Name:D-(+)-Lactose monohydrate
English Name:D-(+)-Lactose monohydrate
CAS No.:64044-51-5
Aliases:Lactose monohydrate, α-D-Lactose monohydrate, 4-O-β-D-Galactopyranosyl-D-glucose monohydrate
Molecular Formula:C12H22O11·H2O
Physical Properties:White crystalline granules or powder; odorless, slightly sweet taste. Freely soluble in water, insoluble in ethanol, chloroform or ether. Molecular weight 360.31, melting point 201–202 °C (dec.), specific rotation [α]D20 +52.0° to +52.6°.
Uses:Mainly used as a food sweetener and nutritional fortifier, widely used in dairy products, baked goods and confectionery. In the pharmaceutical field, it is used as a diluent, filler and stabilizer for tablets and capsules. Also used in infant formula to promote the growth of probiotics.
Technical Specifications:
Assay (on anhydrous basis) ≥ 99.0%
Appearance: white crystalline granules or powder, odorless, slightly sweet taste
Freely soluble in water, insoluble in ethanol, chloroform or ether
Loss on drying (at 105 °C to constant weight): 4.5% to 5.5%
Specific rotation [α]D20: +52.0° to +52.6°
English Name:D-(+)-Lactose monohydrate
CAS No.:64044-51-5
Aliases:Lactose monohydrate, α-D-Lactose monohydrate, 4-O-β-D-Galactopyranosyl-D-glucose monohydrate
Molecular Formula:C12H22O11·H2O
Physical Properties:White crystalline granules or powder; odorless, slightly sweet taste. Freely soluble in water, insoluble in ethanol, chloroform or ether. Molecular weight 360.31, melting point 201–202 °C (dec.), specific rotation [α]D20 +52.0° to +52.6°.
Uses:Mainly used as a food sweetener and nutritional fortifier, widely used in dairy products, baked goods and confectionery. In the pharmaceutical field, it is used as a diluent, filler and stabilizer for tablets and capsules. Also used in infant formula to promote the growth of probiotics.
Technical Specifications:
Assay (on anhydrous basis) ≥ 99.0%
Appearance: white crystalline granules or powder, odorless, slightly sweet taste
Freely soluble in water, insoluble in ethanol, chloroform or ether
Loss on drying (at 105 °C to constant weight): 4.5% to 5.5%
Specific rotation [α]D20: +52.0° to +52.6°
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常见问题
- D(+)-乳糖一水合物的 CAS 号是多少?
- D(+)-乳糖一水合物的 CAS 号是 64044-51-5。
- D(+)-乳糖一水合物的分子式和分子量是什么?
- D(+)-乳糖一水合物的分子式为 C12H22O11·H2O。
- D(+)-乳糖一水合物的英文名称是什么?
- D(+)-乳糖一水合物的英文名称为 D-(+)-Lactose monohydrate。
- D(+)-乳糖一水合物还有哪些别名?
- D(+)-乳糖一水合物又称 乳糖一水合物、α-乳糖一水合物、4-O-β-D-半乳糖基-D-葡萄糖一水合物。
- D(+)-乳糖一水合物有哪些供应商和生产厂家?
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