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Aspartame
Cas:
22839-47-0
Molecular Structure:
MDL:
--MFCD00002724
Molecular Formula:
C14H18N2O5;HOOCCH2CH(NH2)CONHCH(CH2C6H5)COOCH3
Molecular Weight:
294.30
Alias:
蛋白糖,甜乐,甜味素,N-L-α-天冬氨酰-L-苯丙氨酸甲酯,天冬氨酰苯丙氨酸甲酯 Asp-Phe-OMe H-Asp-Phe-OMe
Product order:
Name
Specifications
Packing
Price
Delivery
Aspartame
98%
25g
RMB 327.8
Consulting service
Aspartame
98%
5g
RMB 107.8
Consulting service
Aspartame
98%
1g
RMB 52.8
Consulting service
Character:
白色结晶性粉末。双熔点约190℃和245℃。微溶于水(约 1%)和乙醇(0.26mg/100ml)。无臭、有强烈甜味,其稀溶液的甜度约为蔗糖的100-200倍。其甜味与砂糖十分相似,并有清凉感。0.8% 水溶液的pH值为4-6.5。在水溶液中不稳定,易分解而失去甜味,低温时和pH值3-5时较稳定。
熔点:248-250 °C
比光旋度:12.5°
Quality Standard:
项目 生物学级
(BR)
外观Appearance : 白色晶体或结晶粉末
含量(以干基计on dried substance)): 98-102%
比旋光Specific optical rotation[a]20D: +14.5~+16.5
透光率: ≥95%
干燥失重Loss on drying (105℃ 4hr): ≤4.5%
硫酸盐灰分Sulfated ash: ≤0.2%
PH: 4.5-6.0
砷(以As计): ≤3ppm
重金属Heavy metals (以Pb计): ≤10ppm
灼烧残渣: ≤0.2%
其他相关物: ≤2.0%
5-苄基-3.6-二氧-2-哌嗪乙酸: ≤1.5%
5-benzyl-3,6-dioxo-2-piperazineacetic acid
Storage:
贮存 2-8℃
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