商品名:二甘氨酰甘氨酸
别 名:甘氨酰-甘氨酰-甘氨酸
Glycyl-glycyl-glycine
Triglycine
H-Gly-Gly-Gly-OH
英文名:Gly-Gly-Gly
产 地:湖南
Cas号:556-33-2
分子结构:
分子式:C6H11N3O4; NH2CH2CONHCH2CONHCH2COOH
分子量:189.1700
备注:
性状:熔点: 240-250℃
质量标准:外观Appearance White Powder
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(HPLC) ≥98.5%
灼烧残渣ign. residue ≤0.1% (as SO4)
干燥损失loss loss on drying, ≤0.5% (110 °C)
pH 4.5-6.0 (25 °C, 0.5 M in H2O)
水溶性solubility H2O: 0.5 M at 20 °C, 无色透明
氯离子chloride (Cl-): ≤50 ppm
硫酸根sulfate (SO42-): ≤50 ppm
铅Pb: ≤5 ppm
λ 0.5 M in H2O
紫外吸收UV absorption
λ: 260 nm A:≤0.15
λ: 280 nm A:≤0.10
存储:储存温度-20°C
用途:
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