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产品名称 Product Name |
工业苯甲酸 / Benzoic Acid (Industrial Grade)(安息香酸、苯甲酸(工业级)、苯羧酸 / Benzenecarboxylic acid, Phenylformic acid, Industrial benzoic acid) |
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别名 Synonyms |
安息香酸、苯甲酸(工业级)、苯羧酸 / Benzenecarboxylic acid, Phenylformic acid, Industrial benzoic acid |
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化学式 Formula |
C₇H₆O₂ |
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分子量 Molecular Weight |
122.12 g/mol |
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CAS 登记号 CAS No. |
65-85-0 |
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EC / EINECS 号 |
200-618-2 |
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食品添加剂号 E-Number |
E 210 |
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海关编码 HS Code |
2916.31 |
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PubChem CID |
243 |
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InChIKey |
WPYMKLBDIGXBTP-UHFFFAOYSA-N |
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主要用途 Primary Use |
食品防腐剂(E210)、饲料、医药、染料、塑料增塑剂、防锈剂 / Food preservative (E210), feed, pharma, dyes, plasticizers |
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主要成分 Main Component |
苯甲酸 C₇H₆O₂ ≥ 99.5%(工业级/食品级)/ Benzoic acid C₇H₆O₂ ≥ 99.5% (industrial/food grade) |
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杂质 Impurities |
氯化物、重金属、砷、灼烧残渣、水分、邻苯二甲酸、联苯类 / Chlorides, Heavy metals, Arsenic, Residue on ignition, Moisture, Phthalic acid, Biphenyls |
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外观 Appearance |
白色鳞片状或针状结晶,微有苯甲醛气味 / White flakes or needles, slight benzaldehyde odor |
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分子量 MW |
122.12 g/mol |
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熔点 MP |
121 – 123 °C |
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沸点/分解 BP / Decomp. |
约 249 °C(760 mmHg,同时升华)/ ~249 °C @760 mmHg, sublimes |
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密度 Density |
1.2659 g/cm³ @ 15 °C |
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水中溶解度 Solubility (H₂O) |
微溶:约 3.4 g/L @ 25 °C;温度升高溶解度显著增大 / Slightly soluble ~3.4 g/L @25 °C; rises with temperature |
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其他溶剂溶解度 in other |
易溶于乙醇、乙醚、氯仿、苯、甲苯 / Soluble in ethanol, ether, chloroform, benzene |
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pH |
饱和水溶液 pH ≈ 2.5 – 3.0(弱酸)/ Saturated solution pH ≈ 2.5–3.0 (weak acid) |
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pKa |
4.20(25 °C,水)/ 4.20 (25 °C, water) |
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晶体结构 Crystal Structure |
单斜晶系 / Monoclinic |
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折射率 Refractive Index |
nD ≈ 1.5397(20 °C) |
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吸湿/潮解 Hygroscopicity |
不吸湿,但易升华 / Non-hygroscopic; sublimes readily |
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项目 Item |
典型值 Typical |
测试方法 Method |
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含量(以干基计)Assay |
≥ 99.5% |
滴定 / Titration |
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熔点 Melting point |
121 – 123 °C |
GB/T 617 / Capillary |
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干燥失量 Loss on drying |
≤ 0.50% |
重量法 / Gravimetric |
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氯化物(以 Cl 计)Chlorides |
≤ 0.014% |
滴定 / Titration |
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灼烧残渣 Residue on ignition |
≤ 0.05% |
重量法 / Gravimetric |
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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 |
≤ 0.0002% (≤2 mg/kg) |
AAS / ICP |
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邻苯二甲酸 Phthalic acid |
≤ 100 mg/kg |
HPLC |
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色度 Color (Hazen) |
≤ 20 |
GB/T 3143 |
注:上述为工业级/食品级典型指标,可参照 GB 1886.183-2016(食品添加剂 苯甲酸)及 thchemical.com / hnlangrui 等供应商公开规格。具体数值以重庆广益化工出厂检验单(COA)为准。 / Per GB 1886.183-2016 and supplier TDS. Values per batch COA.
Food & feed: preservative, acidulant (E210; food/feed grade required)
Pharma: antiseptic preservative, drug intermediate
Dyes & coatings: mordant, resin modification
Plastics: plasticizer, alkyd resin feedstock
Personal care: toothpaste, cosmetic preservative
Metal rust inhibitor
Food/feed preservative (E210), pharma, dyes, plasticizers, rust inhibitor
Store sealed in cool, dry place; away from heat, ignition and oxidizers
Avoid loss by sublimation
Wear dust mask, goggles, gloves when handling
Manage as general chemical; sweep and collect spills
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GHS 分类 GHS Classification |
GHS07(感叹号);皮肤/眼/呼吸道刺激 / GHS07; skin/eye/respiratory irritation |
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危害声明 H-statements |
H315 造成皮肤刺激;H319 造成严重眼刺激;H335 可能造成呼吸道刺激 / H315; H319; H335 |
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防范说明 P-statements |
P261, P264, P280, P305+P351+P338, P312 |
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NFPA 704 |
健康 Health 1 / 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) ≈ 1700 mg/kg / Low toxicity: LD₅₀(oral,rat) ≈ 1700 mg/kg |
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危险反应 Hazardous Reaction |
与强氧化剂反应;高温升华/分解 / Reacts with oxidizers; sublimes/decomposes on heating |
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灭火 Fire-fighting |
可燃固体;用雾状水、干粉、CO₂、砂土灭火 / Combustible solid; water spray, powder, CO₂ |
25 kg 塑料编织袋或纸塑复合袋(内衬 PE 袋);可定制吨袋。 25 kg PP woven/laminated bags, PE-lined.
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 200-618-2)
Food/feed grade must comply with GB 1886.183-2016 / FCC / E 210 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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