分子式：C5H12O5
分子量：152.15
质量标准：USP24，FCCⅥ，NF19
| 项 目 | 指 标 |
| 含量%≥ | 98.5 |
| 其他杂醇% ≤ | 1.5 |
| 干燥失重，%≤ | 0.30 |
| 灼烧残渣% ≤ | 0.05 |
| 还原糖% ≤ | 0.20 |
| 重金属 (以Pb计),% ≤ | 0. 0005 |
| 砷 (以As2O3计),% ≤ | 0.00005 |
| 镍% ≤ | 0.0002 |
| 铅% ≤ | 0.0001 |
| 硫酸盐 (以SO4计),% ≤ | 0.005 |
| 氯化物(以Cl计),% ≤ | 0.005 |
| 熔点℃ | 92~96 |
| PH值 | 5.0~7.0 |
| 菌落总数 个/g≤ | 50 |
| 大肠杆菌 | 阴性 |
| 密度 | 0.85~0.95/CC |
| 溶解度 | 1.6g/ml |
性状：白色结晶或结晶性粉末，几乎无臭。具有清凉甜味，甜度0.65~1.00(视浓度而异；蔗糖为1.00)
Molecular Formula:C5H12O5
Molecular weight：155.15
Quality standard: USP24, FCC Ⅵ, NF19
| Item | Indicators |
| Content% ≥ | 98.5 |
| Other miscellaneous alcohol% ≤ | 1.5 |
| Loss on drying,% ≤ | 0.30 |
| Residue on ignition% ≤ | 0.05 |
| Reducing sugar% ≤ | 0.20 |
| Heavy metal (Pb),% ≤ | 0.0005 |
| Arsenic (in term of 2O3),% ≤ | 0.00005 |
| Nickel% ≤ | 0.0002 |
| Pb% ≤ | 0.0001 |
| Sulfate (SO4),% ≤ | 0.005 |
| Chloride (Cl),% ≤ | 0.005 |
| Melting point ℃ | 92 ~ 96 |
| PH Value | 5.0 ~ 7.0 |
| Cfu a / g ≤ | 50 |
| Coli | Negative |
| Density | 0.85 ~ 0.95/CC |
| Solubility | 1.6g/ml |
DEscriptION：White crystal or crystalline powder, almost odorless. Has a refreshing sweetness, sweetness 0.65 ~ 1.00 (depending on the concentration vary; sucrose 1.00)