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产品名称 Product Name |
葡萄糖酸钠 / Sodium Gluconate(D-葡萄糖酸钠、葡萄糖酸单钠 / Sodium D-gluconate, Gluconic acid sodium salt, E576) |
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别名 Synonyms |
D-葡萄糖酸钠、葡萄糖酸单钠 / Sodium D-gluconate, Gluconic acid sodium salt, E576 |
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化学式 Formula |
C₆H₁₁NaO₇ |
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分子量 Molecular Weight |
218.14 g/mol |
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CAS 登记号 CAS No. |
527-07-1 |
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EC / EINECS 号 |
208-407-7 |
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食品添加剂号 E-Number |
E 576 |
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海关编码 HS Code |
2918.16 |
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PubChem CID |
23672301 |
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InChIKey |
UPMFZISCCZSDND-JJKGCWMISA-M |
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主要用途 Primary Use |
混凝土缓凝剂/减水剂、螯合剂、金属表面处理、食品添加剂(E576)、清洗剂 / Concrete retarder, chelating agent, metal treatment, food additive |
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主要成分 Main Component |
葡萄糖酸钠 C₆H₁₁NaO₇ ≥ 98.0%(工业/食品级)/ Sodium gluconate C₆H₁₁NaO₇ ≥ 98.0% (industrial/food grade) |
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杂质 Impurities |
水分、还原糖、硫酸盐、氯化物、重金属、砷、铁 / Moisture, Reducing sugars, Sulfates, Chlorides, Heavy metals, Arsenic, Iron |
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外观 Appearance |
白色至类白色结晶性粉末或颗粒,无臭 / White to off-white crystalline powder or granules, odorless |
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分子量 MW |
218.14 g/mol |
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熔点 MP |
约 205 – 209 °C(分解)/ ~205–209 °C (decomp.) |
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沸点/分解 BP / Decomp. |
受热分解 / Decomposes on heating |
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密度 Density |
约 1.79 g/cm³ |
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水中溶解度 Solubility (H₂O) |
易溶:约 590 g/L @ 20 °C / Readily soluble ~590 g/L @20 °C |
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其他溶剂溶解度 in other |
微溶于乙醇;不溶于乙醚 / Slightly soluble in ethanol; insoluble in ether |
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pH |
6.2 – 7.8(100 g/L 水溶液,20 °C)/ 6.2–7.8 (100 g/L aq., 20 °C) |
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pKa |
≈ 3.6(葡萄糖酸共轭酸)/ ~3.6 (conjugate acid of gluconic acid) |
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晶体结构 Crystal Structure |
—(粉末) / Powder |
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折射率 Refractive Index |
— |
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吸湿/潮解 Hygroscopicity |
微有吸湿性 / Slightly hygroscopic |
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项目 Item |
典型值 Typical |
测试方法 Method |
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含量 Assay |
≥ 98.0% |
滴定 / Titration |
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干燥失量 Loss on drying |
≤ 0.50% |
重量法 / Gravimetric |
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还原糖 Reducing substances |
≤ 0.50% |
氧化还原滴定 / Redox titration |
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氯化物(以 Cl 计)Chlorides |
≤ 0.05% |
滴定 / Titration |
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硫酸盐(以 SO₄ 计)Sulfates |
≤ 0.05% |
浊度法 / Turbidimetry |
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重金属(以 Pb 计)Heavy metals |
≤ 0.001% (≤10 mg/kg) |
AAS / ICP |
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砷(以 As 计)Arsenic |
≤ 0.0003% (≤3 mg/kg) |
AAS / ICP |
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铁(以 Fe 计)Iron |
≤ 0.004% |
AAS / ICP |
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pH(100 g/L 溶液)pH |
6.2 – 7.8 |
pH 计 / pH meter |
注:上述为工业/食品级典型指标,可参照 Merck / Sigma-Aldrich / arshinefoodadditives / luyichemi 公开规格及企业内控标准。具体数值以重庆广益化工出厂检验单(COA)为准。 / Per Merck/Sigma-Aldrich/supplier TDS and internal QC. Values per batch COA.
Construction: concrete retarder, water reducer, pumping aid
Water treatment & cleaning: chelating Ca/Mg, metal surface cleaning
Textile dyeing: mordanting, dye-leveling, metal ion removal
Food: E576 acidulant/chelating agent (food grade required)
Pharma: dialysate, buffer, nutritional supplement
Cosmetics: chelating agent, stabilizer
Concrete retarder, chelating, metal cleaning, food (E576)
Store sealed in dry, ventilated place; prevent caking
Segregate from strong acids and oxidizers
Wear dust mask, goggles, gloves when handling
Manage as general chemical; sweep and collect spills
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GHS 分类 GHS Classification |
无强制 GHS 分类(低毒、生物可降解)/ Not classified; low toxicity, biodegradable |
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危害声明 H-statements |
—(常规使用无显著危害声明)/ — (no significant hazard statement under normal use) |
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防范说明 P-statements |
P264, P280, P305+P351+P338(常规防护)/ P264, P280, P305+P351+P338 (routine PPE) |
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NFPA 704 |
健康 Health 0 / 易燃 Flammability 1 / 反应 Reactivity 0 |
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急性毒性 Acute Toxicity |
低毒:LD₅₀(大鼠,经口) ≈ 10380 mg/kg / Very low toxicity: LD₅₀(oral,rat) ≈ 10380 mg/kg |
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危险反应 Hazardous Reaction |
与强氧化剂反应;高温分解 / Reacts with strong oxidizers; decomposes on heating |
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灭火 Fire-fighting |
可燃固体;用雾状水、干粉、CO₂灭火 / Combustible solid; water spray, powder, CO₂ |
25 kg 塑料编织袋(内衬 PE 袋)或纸塑复合袋;可定制吨袋。 25 kg PP woven (PE-lined) / laminated bags.
在原包装、干燥条件下 24 个月。 24 months in original dry storage.
Industrial use as general chemical; EU exports subject to REACH (EC 208-407-7)
Food grade must comply with GB 1886.320-2021 / FCC / E 576 and hold HALAL/KOSHER
Usually non-hazardous; transport class per latest SDS / IATA / IMDG
免责声明 / Disclaimer:本技术数据表仅供参考,不构成任何担保。数据基于编制时可得的公开信息,重庆广益化工有限公司不对因使用本表所产生的任何后果承担责任。实际技术参数请以每批次出厂 COA 为准。 This TDS is for reference only and does not constitute a warranty. Values per batch COA prevail.
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