产品描述Description |
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为乳酸和乳酰乳酸(C6H10O5)的混合物。无色到浅黄色糖浆状澄明液体,几乎无臭或略有脂肪酸臭。呈强酸味有吸潮性。可溶于水、丙二醇、甘油、丙酮、乙醚、和乙醇混溶,几乎不溶于氯仿、石油醚、二硫化碳。 It is slightly yellow, syrupy and hygroscopic liquid that complies with the specifications of Food Chemical Codex V (FCC V). In the USA, lactic acid has the GRAS-status (Generally Recognised As Safe). It is registered in Europe as a food additive with the reference E-270. |
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基本信息Essential information |
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化学名称 Chemical name |
α-羟基丙酸 |
CAS |
79-33-4, 598-82-3 |
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分子量 Molecular Weight |
90.08 |
分子式 Molecular Formula |
C3H6O3 |
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用途Applications |
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酸度调节剂、酸化剂、抗微生物剂、腌渍剂、增味剂、香料,可在各类食品中按生产需要适量使用。 Acidity regulator,acidification agent, antimicrobial agent, curing agent, flavor enhancer, spices, can according to production need to use in all kinds of food. |
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技术指标 Technical indicators |
GB2023-2003 |
FCCV |
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L(+)乳酸 |
DL-乳酸 |
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L(+) 乳酸占总酸的含量Stereochemical purity L(+) |
≥ 95% |
---- |
≥97% |
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含量 Assay |
≥ 80%-90% |
≥ 80% |
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色度 Colour |
≤50 Hazen |
≤150 Hazen |
≤50 Hazen |
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密度 Density(@20℃ ) |
---- |
1.18 g/ml -1.19 g/ml |
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重金属(以铅计)Heavy metals (as Pb) |
≤ 10mg/kg |
≤10 ppm |
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灼烧残渣 Ignition residue |
≤ 0.1% |
---- |
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铁盐 Iron |
≤ 0.001% |
≤10 ppm |
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钙盐 Calcium |
通过实验 Passes test |
≤10 ppm |
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氯化物 Chloride |
≤ 0.002% |
≤10 ppm |
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硫酸盐 Sulphate |
≤ 0.005% |
≤10 ppm |
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硫酸灰分Sulphated ash |
---- |
≤0.1% |
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醚中溶解度Solubility in the ether |
通过实验 Passes test |
---- |
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易炭化合物Easy carbon compounds |
通过实验 Passes test |
---- |
---- |
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氰化物 Cyanide |
≤5mg/kg |
5 ppm |
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甲醇 Methanol |
≤0.2% |
---- |
---- |
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砷 Arsenic |
≤ 1mg/kg |
≤1 ppm |
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汞 Mercury |
---- |
≤1 ppm |
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还原物质(糖)Reducing Substances(Sugars) |
通过实验 Passes test |
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柠檬酸 / 草酸 / 酒石酸 / 磷酸 Citric, Oxalic, Tartaric, Phosphoric Acids |
通过实验 Passes test |
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包装Packing |
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聚乙烯塑料桶装,净重250kg/桶,25kg/桶或1.2吨IBC集装桶。1200 kg IBC, polythene drums of 25 or 250 kg. |