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产品名称 Product Name |
聚合氯化铝 / Polyaluminium Chloride (PAC)(聚铝、PAC、碱式氯化铝、羟基氯化铝 / PAC, Poly aluminium chloride, Aluminum chlorohydrate) |
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别名 Synonyms |
聚铝、PAC、碱式氯化铝、羟基氯化铝 / PAC, Poly aluminium chloride, Aluminum chlorohydrate |
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化学式 Formula |
[Al₂(OH)ₙCl₆₋ₙ]ₘ(m≤10,n=1-5) |
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分子量 Molecular Weight |
—(聚合物,无固定分子量 / polymer; no fixed molecular weight) |
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CAS 登记号 CAS No. |
1327-41-9 |
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EC / EINECS 号 |
215-477-2 |
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食品添加剂号 E-Number |
— |
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海关编码 HS Code |
2827.32 |
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PubChem CID |
— |
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InChIKey |
— |
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主要用途 Primary Use |
水处理混凝剂(饮用水、工业废水、污水)、造纸施胶、油田回注水、水泥速凝 / Water treatment coagulant, paper sizing, oilfield, cement accelerator |
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主要成分 Main Component |
聚合氯化铝,以 Al₂O₃ 计 ≥ 28.0%(工业固体级)/ Polyaluminium chloride, ≥ 28.0% as Al₂O₃ (industrial solid grade) |
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杂质 Impurities |
水不溶物、盐基度范围、铁、砷、铅、镉、汞、铬(依 GB/T 22627)/ Insoluble matter, Basicity range, Iron, Arsenic, Lead, Cadmium, Mercury, Chromium (per GB/T 22627) |
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外观 Appearance |
黄色至淡黄色粉末或液体(依氧化铝含量与盐基度不同) / Yellow to pale-yellow powder or liquid |
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分子量 MW |
—(聚合物,无固定分子量 / polymer; no fixed molecular weight) |
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熔点 MP |
—(受热分解)/ — (decomposes on heating) |
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沸点/分解 BP / Decomp. |
—(受热分解)/ — (decomposes on heating) |
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密度 Density |
液体 ≥1.12 g/cm³;固体堆积密度约 1.2 – 1.4 g/cm³ / Liquid ≥1.12 g/cm³; solid bulk ~1.2–1.4 g/cm³ |
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水中溶解度 Solubility (H₂O) |
易溶于水,水溶液呈酸性 / Readily soluble in water; acidic solution |
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其他溶剂溶解度 in other |
— |
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pH |
3.5 – 5.0(1% 或 10 g/L 水溶液)/ 3.5–5.0 (1% or 10 g/L aq.) |
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pKa |
—(多核羟基铝聚合物)/ — (polyhydroxy aluminium polymer) |
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晶体结构 Crystal Structure |
非晶态 / Amorphous |
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折射率 Refractive Index |
— |
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吸湿/潮解 Hygroscopicity |
固体有吸湿性,易潮解 / Solid hygroscopic, tends to cake |
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项目 Item |
典型值 Typical |
测试方法 Method |
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氧化铝 Al₂O₃ |
≥ 28.0%(固体 solid) |
滴定 / Titration |
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盐基度 Basicity |
30.0 – 95.0% |
滴定 / Titration |
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水不溶物 Insoluble matter |
≤ 0.6%(固体) |
重量法 / Gravimetric |
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pH(10 g/L 水溶液)pH |
3.5 – 5.0 |
pH 计 / pH meter |
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密度(液体)Density (liquid) |
≥ 1.12 g/cm³ |
密度计 / Densitometer |
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砷(以 As 计)Arsenic |
≤ 0.0015% |
AAS / ICP |
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铅(以 Pb 计)Lead |
≤ 0.006% |
AAS / ICP |
注:上述为工业级水处理剂 PAC 典型指标,依据 GB/T 22627-2022《水处理剂 聚氯化铝》。饮用水级执行 GB 15892-2020,指标更严。液体产品 Al₂O₃ 通常 ≥6-10%。具体数值以重庆广益化工出厂检验单(COA)为准。 / Industrial PAC per GB/T 22627-2022. Drinking-water grade per GB 15892-2020 (stricter). Liquid Al₂O₃ usually ≥6-10%. Values per batch COA.
Drinking water treatment: coagulation, turbidity/color/heavy-metal removal
Industrial wastewater: dyeing, paper, electroplating, mining effluent flocculation
Municipal sewage: phosphorus removal, SS reduction, sludge dewatering
Paper industry: sizing, retention/drainage aid
Oilfield: reinjection water purification
Construction: cement accelerator
Water-treatment coagulant, paper, oilfield, cement accelerator
Solid: sealed, dry, ventilated, moisture-proof; Liquid: closed corrosion-resistant container
Segregate from strong bases and oxidizers
Wear acid-resistant gloves, goggles, dust mask (solid) when handling
Manage as general/corrosive chemical; contain spills with sand
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GHS 分类 GHS Classification |
固体通常为 GHS07(刺激);高浓度液体为 GHS05(腐蚀,UN 3265,8类) / Solid: GHS07 irritant; conc. liquid: GHS05 corrosive |
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危害声明 H-statements |
H315 皮肤刺激;H319 眼刺激;高浓度液体 H314 造成严重皮肤灼伤和眼损伤 / H315/H319; H314 for conc. liquid |
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防范说明 P-statements |
P264, P280, P303+P361+P353, P305+P351+P338, P310 |
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NFPA 704 |
健康 Health 2 / 易燃 Flammability 0 / 反应 Reactivity 0 |
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急性毒性 Acute Toxicity |
低毒:大鼠经口 LD₅₀ > 2000 mg/kg;但具腐蚀性 / Low acute toxicity; corrosive |
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危险反应 Hazardous Reaction |
与强碱反应生成氢氧化铝沉淀;水溶液呈酸性,腐蚀金属 / Reacts with bases; acidic solution corrosive to metals |
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灭火 Fire-fighting |
不燃;周围火用干粉、CO₂、砂土灭火,避免水直接接触大量固体 / Non-combustible; powder, CO₂, sand; avoid water on bulk solid |
固体:25 kg / 50 kg 塑编袋(内衬 PE 袋)或吨袋;液体:200 kg 塑料桶、IBC、槽车。 Solid: 25/50 kg PP woven (PE-lined)/jumbo; Liquid: 200 kg drums/IBC/tank.
在原包装、干燥条件下 12 个月(固体)。 12 months for solid in original dry storage.
Industrial use as general chemical; standard GB/T 22627-2022 (water treatment agent)
EU exports subject to REACH (EC 215-477-2); drinking-water grade per GB 15892-2020
Liquid PAC transport may be Class 8 corrosive (UN 3265); 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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