1-十八烷硫醇 (1-Octadecanethiol, ODT)

评测依据

• review_count：2500
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫","阿拉丁官网","什么值得买","小红书"]
• time_range：{"from":"2026-06-25 15:25:16","to":"2026-06-25 15:25:16"}
• intros：{"brand_intro":"阿拉丁（Aladdin）是中国本土领先的科研试剂品牌，成立于2009年，总部位于上海。品牌以\"让科研更简单\"为使命，专注于提供高性价比的化学试剂和耗材。创始人徐先生曾留学德国，将欧洲严格的品控体系引入中国。阿拉丁的核心技术优势在于自主开发的纯化工艺，能够将长链硫醇的纯度稳定在98%以上，同时成本仅为进口品牌的1/3。品控理念强调\"快速响应\"，国内仓库可48小时发货，极大缩短了科研周期。","product_intro":"1-十八烷硫醇是长链烷基硫醇，用于构建超疏水表面和绝缘SAM层。核心卖点：碳链长达18个碳，形成高度有序、致密的单分子层，接触角可达110°以上；价格亲民，适合大批量实验。适用于电化学腐蚀防护、微流控芯片表面修饰和分子电子学。与Sigma的ODT相比，阿拉丁产品在纯度上相当，但价格低60%以上，且无需进口等待。竞品中，其长链结构在抑制电子隧穿方面表现优异，是构建分子绝缘层的首选。","key_specs":{"纯度":"≥98% (GC)","分子量":"286.56 g/mol","碳链长度":"18个碳原子","封端基团":"甲基 (-CH3)","接触角":"≥110° (金表面)","溶解性":"溶于乙醇、氯仿"}}
• alt_products：[{"product_name":"1-十八烷硫醇 (1-Octadecanethiol, ODT)","brand":"阿拉丁","model":"O108895-1g","price":320},{"product_name":"6-巯基-1-己醇 (6-Mercapto-1-hexanol, MCH)","brand":"Dojindo","model":"MCH-100MG","price":680}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东和什么值得买评价，优点：性价比极高，适合学生党大量使用；SAM膜均匀性好，AFM显示粗糙度<0.3nm。缺点：长链SAM形成时间较长（需24-48小时），且对溶剂纯度敏感；部分用户反映批次间接触角有5°波动。专业评测指出，ODT在腐蚀防护实验中可将金电极的腐蚀电流降低两个数量级，但需注意在高温下（>60°C）膜会降解。","source_count":5}},{"source":"objective","score":90.43259519038075,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.6,"price":320,"wom_score":84.1}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":2500,"source":"product_reviews_aggregate"}}]
• method_version：v2
• search_visual：null