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乙酸异丙酯(Isopropyl acetate;分子式 C5H10O2,CH3COOCH(CH3)2)是乙酸的异丙酯,常温下为无色透明、带水果香气(稀释后有苹果香)的易挥发易燃液体,是重要的羧酸酯类溶剂与食用香料组分。 |
Isopropyl acetate (C5H10O2, CH3COOCH(CH3)2) is the isopropyl ester of acetic acid; a colorless, clear, volatile and flammable liquid with a fruity odor (apple-like when diluted) at room temperature - an important carboxylic-ester solvent and food-flavoring component. |
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其主要用途包括:硝基纤维素、塑料、油脂、树脂、涂料、油墨的溶剂;医药(抗生素、维生素、激素)萃取剂与工业脱水剂;香料/香精与印刷油墨组分;亦用于有机合成与胆结石溶解研究。性能接近乙酸乙酯,但沸点更低、挥发更快。其蒸气比空气重,属第 3 类易燃液体,须按危险化学品严格管控。 |
Principal uses: solvent for nitrocellulose, plastics, oils, fats, resins, coatings and printing inks; extractant for pharmaceuticals (antibiotics, vitamins, hormones) and industrial dehydrating agent; fragrance/flavor and printing-ink component; also organic synthesis and gallstone-dissolution research. Performance is close to ethyl acetate but with lower boiling point and faster evaporation. Vapour is heavier than air; Class 3 flammable liquid - strict hazardous-chemical control required. |
产品标识 / Product Identification
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CAS 登记号 CAS No. |
108-21-4 |
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分子式 Molecular formula |
C5H10O2(CH3COOCH(CH3)2) |
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分子量 Molecular weight |
102.13 g/mol |
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EC 号 EC / EINECS |
203-561-1 |
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FEMA 号 |
2926(食用香料编号 flavor number) |
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RTECS 号 |
AI4930000 |
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MDL 号 |
MFCD00008877 |
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PubChem CID |
7915(经 PubChem 按 CAS 108-21-4 核验 verified via PubChem by CAS 108-21-4) |
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HS 编码 HS Code |
29153900(中国 8 位,其他乙酸酯;10 位常见 2915390090 China 8-digit 29153900, other acetates of acetic acid; 10-digit commonly 2915390090) |
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UN 编号 / 危险类别 UN / Class |
UN 1220(ACETATES, N.O.S. 乙酸酯类),第 3 类易燃液体,包装类别 II(PG II)/ UN 1220 (ACETATES, N.O.S.), Class 3 flammable liquid, Packing Group II |
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中国危险货物编号 China DG No. |
32128,第 3 类易燃液体(中闪点液体)/ 32128, Class 3 flammable liquid (medium-flash-point) |
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别名 Synonyms |
乙酸异丙酯;醋酸异丙酯;乙酸-1-甲基乙基酯;乙酸-2-甲基乙酯;异丙基醋酸酯;Isopropyl acetate;Acetic acid isopropyl ester;2-Acetoxypropane;Isopropyl ethanoate |
注:试剂级参考 Sigma-Aldrich / Merck、Thermo/Alfa Aesar、TCI 等指标(如 GB/T、USP 等);工业级为常见贸易典型值。具体以 COA 为准。
Note: reagent grade per Sigma-Aldrich/Merck, Thermo/Alfa Aesar, TCI etc.; industrial grade = common trade typical values. Per-COA applies.
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项目 Item |
指标 Specification |
测试方法 Test Method |
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含量 Assay (GC) |
≥ 99.0 %(试剂级/合成级);≥ 99.5 %(高纯试剂)/ >=99.0% (reagent/synthesis); >=99.5% (high-purity) |
GC |
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外观 Appearance |
无色透明液体,无机械杂质 / Colorless clear liquid, free of mechanical impurities |
Visual |
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密度 Density (20 °C) |
0.871 – 0.873 g/cm³(典型 0.872) |
GB/T 4472 / ASTM D4052 |
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沸点 Boiling range |
88 – 90 °C(典型 88.4–89 °C) |
GB/T 7534 / ASTM D1078 |
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折射率 Refractive index (n20/D) |
1.3755 – 1.3785(典型 1.377) |
GB/T 614 |
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水分 Water (KF) |
≤ 0.10 %(试剂级);≤ 0.20 %(工业级) |
GB/T 6283 |
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酸度 Acidity (as CH3COOH) |
≤ 0.01 %(≤ 0.10 mg KOH/g) |
Titration |
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色度 Color (APHA/Hazen) |
≤ 10 |
GB/T 3143 |
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闪点 Flash point (闭杯 c.c.) |
约 2 – 4 °C(极低 / very low) |
GB/T 261 / ASTM D93 |
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不挥发物 Non-volatile matter |
≤ 0.005 %(试剂级) |
GB/T 6324.2 |
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分子式 Molecular formula |
C5H10O2(CH3COOCH(CH3)2) |
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分子量 Molecular weight |
102.13 g/mol(精确质量 102.068) |
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外观 Appearance |
无色透明液体,水果香味(稀释呈苹果香)/ Colorless clear liquid, fruity odor (apple-like diluted) |
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熔点 / 凝固点 Melting point |
-73 °C(−73.4 °C,文献一致 consistent across sources) |
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沸点 Boiling point |
约 88.4 – 89 °C(常压;文献范围 88–91 °C ~88.4-89 C at 760 mmHg; range 88-91 C) |
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密度 Density |
0.87 g/cm³(20 °C;文献 0.8718–0.874);0.872 g/mL(25 °C) |
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相对蒸气密度 Vapor density (air=1) |
约 3.5(比空气重 heavier than air) |
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蒸气压 Vapor pressure |
约 6.1 kPa(61 hPa 46 mmHg)@ 20 °C;约 8.0 kPa(60 mmHg)@ 25 °C |
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闪点 Flash point |
约 2 – 4 °C(闭杯;Merck Index & ICSC 记 2 °C,Sigma 记 4 °C;部分中文 SDS 按开杯记约 11 °C)/ ~2-4 C (closed cup; some CN SDS list ~11 C open cup) |
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自燃温度 Auto-ignition temp. |
约 460 °C(≈894 °F;ICSC 记 425 °C,属测定差异 ~460 C (894 F); ICSC 425 C, measurement variant) |
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爆炸极限 Explosive limits (air) |
下限约 1.8 %(体积),上限约 8.0 %(体积)/ LEL ~1.8% v/v, UEL ~8.0% v/v |
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折射率 Refractive index (n20/D) |
1.377(文献 1.3755–1.3785) |
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分配系数 log P (辛醇/水) |
约 1.02(XLogP3-AA 计算值 0.9;实验 log Kow 1.02)/ ~1.02 (XLogP3-AA 0.9) |
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粘度 Viscosity |
约 0.49 mPa·s(25 °C);约 0.57 mPa·s(20 °C) |
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溶解度 Solubility |
微溶于水,约 2.9 g/100 mL(≈29 g/L)@ 20 °C;与乙醇、乙醚、大多数有机溶剂互溶 Slightly soluble in water (~2.9 g/100 mL @20 C); miscible with ethanol, ether and most organic solvents |
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表面张力 Surface tension |
约 21.9 mN/m(298 K,参考值 indicative) |
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对水危害等级 WGK |
1(德国;所有来源一致,无冲突 1 (Germany); all sources agree, no conflict) |
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涂料与油墨溶剂:硝基纤维素、树脂、塑料、油脂、涂料、印刷油墨的优良溶剂,挥发快、溶解力好。 |
Coatings & ink solvent: excellent solvent for nitrocellulose, resins, plastics, oils, fats, coatings and printing inks - fast evaporation and good solvency. |
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医药与化工:医药(抗生素、维生素、激素)萃取剂、工业脱水剂;有机合成反应溶剂与中间体。 |
Pharma & chemical: extractant for pharmaceuticals (antibiotics, vitamins, hormones), industrial dehydrating agent; organic-synthesis solvent and intermediate. |
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香料与食用香精:FEMA 2926,GB 2760 允许使用的食用香料,用于配制朗姆酒香精与水果型香料(稀释呈苹果香)。亦作香水组分。 |
Flavor & fragrance: FEMA 2926, a GB 2760-permitted food flavoring for rum and fruit-type flavors (apple note diluted); also a perfume component. |
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阴凉、通风、干燥、防爆库房;远离火种、热源与引火源,库温不宜超过 30 °C(部分 SDS 建议 ≤37 °C);密封。按第 3 类易燃液体(中闪点)管理,使用防爆型照明与通风,禁用易产生火花的设备与工具,容器与管线须可靠接地/跨接防静电。闪点极低(约 2–4 °C),任何热源、火花或静电放电均可能引燃。 |
Store in a cool, well-ventilated, dry, explosion-proof area; away from ignition sources and heat (keep <= 30 C; some SDS suggest <= 37 C); sealed. Managed as Class 3 flammable liquid (medium-flash); explosion-proof lighting/ventilation, no sparking equipment/tools, bond/ground containers and piping against static. Flash point is very low (~2-4 C) - any heat, spark or static discharge may ignite it. |
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操作人员须佩戴耐溶剂手套(丁腈等)、化学防护眼镜与防护服;在通风良好处操作,避免皮肤/眼睛接触与吸入蒸气。本品对眼有刺激性、吸入可致嗜睡眩晕(H319/H336),反复接触致皮肤脱脂皲裂(EUH066)。容器宜用钢、不锈钢、铝或高密度聚乙烯;保持密封,防潮。 |
Operators wear solvent-resistant gloves (nitrile etc.), chemical goggles and protective clothing; work in well-ventilated areas; avoid skin/eye contact and vapour inhalation. Eye irritant, inhalation causes drowsiness/dizziness (H319/H336), repeated contact defats/cracks skin (EUH066). Prefer steel, stainless steel, aluminum or HDPE containers; keep sealed, dry. |
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禁忌:与强氧化剂(硝酸、高锰酸钾、过氧化物等)、强酸、硝酸酯、碱金属分开存放,切忌混储;遇强氧化剂可剧烈反应。泄漏用砂土、硅藻土等惰性吸附材料收集,防止进入下水道、地表水与土壤。 |
Incompatibilities: segregate from strong oxidizers (nitric acid, permanganate, peroxides), strong acids, nitrates, alkali metals; violent reaction with strong oxidizers. Collect spills with inert absorbents (sand, diatomite); prevent entry into sewers, surface water and soil. |
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玻璃瓶 / 塑料瓶:500 mL、1 L、2.5 L 等(试剂/分析级常见包装)。 |
Glass / plastic bottle: 500 mL, 1 L, 2.5 L etc. (common reagent/analytical packs). |
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铁桶 Steel / galvanized drum:160 kg/桶 或 180 kg/桶(工业级常见)。 |
Steel / galvanized drum: 160 kg/drum or 180 kg/drum (common industrial). |
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IBC 吨桶 / 散装:可按客户需求提供。 |
IBC tote / bulk: available on request. |
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注意:属第 3 类易燃液体(UN 1220,PG II),须使用符合 UN 包装要求的容器并张贴第 3 类危险标识;具体按目的国法规与承运人要求。 |
Note: Class 3 flammable liquid (UN 1220, PG II) - use UN-compliant packaging and affix Class 3 hazard labels; per destination regulation and carrier. |
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在原包装、密闭、阴凉通风(≤ 30 °C,避光、远离热源与火种、防潮)条件下,建议保质期 12 个月;乙酸异丙酯对水分敏感(moisture sensitive),开封后宜尽快使用并密封保存。 |
Recommended shelf life 12 months under original sealed packaging, cool and dry (<= 30 C, away from light, heat, ignition and moisture). Isopropyl acetate is moisture-sensitive; use promptly after opening and keep sealed. |
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GHS 危险性分类(Sigma-Aldrich/Merck、Thermofisher/Alfa Aesar、ChemicalBook、ChemBK、ICSC、ECHA C&L 库存主流共识):易燃液体 2 类 H225(高度易燃液体和蒸气,信号词 危险/Danger);严重眼刺激 2 类 H319;特异性靶器官毒性-一次接触 3 类 H336(麻醉效应/嗜睡眩晕)。象形图:GHS02(火焰)+ GHS07(感叹号)。补充危害 EUH066(反复暴露可能引起皮肤干燥或开裂)。 |
GHS classification (Sigma-Aldrich/Merck, Thermofisher/Alfa Aesar, ChemicalBook, ChemBK, ICSC, ECHA C&L Inventory mainstream consensus): Flam. Liq. 2 H225 (highly flammable liquid and vapour, Signal word Danger); Eye Irrit. 2 H319; STOT SE 3 H336 (narcotic effects/drowsiness/dizziness). Pictograms: GHS02 (flame) + GHS07 (exclamation). Supplementary EUH066 (repeated exposure may cause skin dryness or cracking). |
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⚠ 高度易燃(最重要):闪点极低(闭杯约 2–4 °C)、沸点约 88–89 °C,极易挥发;蒸气比空气重(相对蒸气密度约 3.5),可沿地面扩散至远处引火源并回燃;爆炸极限约 1.8 %–8.0 %;自燃温度约 460 °C。须严格防火、防爆、防静电。 |
⚠ Highly flammable (MOST IMPORTANT): very low flash point (~2-4 C c.c.), boiling point ~88-89 C, highly volatile; vapour heavier than air (vapor density ~3.5) and can flash back from a distant ignition source; explosive limits ~1.8%-8.0%; autoignition ~460 C. Strict fire/explosion/static control required. |
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眼/呼吸道刺激与麻醉:H319 严重眼刺激、H336 嗜睡眩晕。操作时佩戴 PPE,避免皮肤/眼睛接触与吸入;皮肤接触用肥皂水冲洗,眼睛接触用清水冲洗并就医。反复接触致皮肤脱脂皲裂(EUH066)。 |
Eye/respiratory irritation & narcotic: H319 serious eye, H336 drowsiness. Wear PPE; avoid skin/eye contact and inhalation; wash skin with soap/water; rinse eyes with water and seek medical care. Repeated contact defats/cracks skin (EUH066). |
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灭火用抗醇泡沫、干粉、二氧化碳或砂土;可用水冷却火场容器。燃烧可能产生一氧化碳等有毒烟气,消防人员须佩戴防毒面具、在上风向灭火。 |
Use alcohol-resistant foam, dry powder, CO2 or sand; water may cool containers. Combustion may release toxic CO fumes - firefighters wear respirators and fight from upwind. |
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急性毒性 Toxicity:低毒。LD50 大鼠经口约 6750 mg/kg(部分较早中文 MSDS 记 3000 mg/kg;总体范围约 3.0–6.5 g/kg);LD50 兔经皮 > 20000 mg/kg。对水生环境危害等级 WGK 1(德国,所有来源一致)。 |
Acute toxicity: low toxicity. LD50 rat oral ~6750 mg/kg (some older CN MSDS list 3000 mg/kg; overall range ~3.0-6.5 g/kg); LD50 rabbit dermal >20000 mg/kg. Water hazard WGK 1 (Germany; all sources agree). |
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运输信息 Transport:UN 1220(ACETATES, N.O.S. 乙酸酯类),第 3 类易燃液体,包装类别 II(PG II),中国危险货物编号 32128。须使用 UN 认证包装、张贴第 3 类危险标识,海运/空运/公路分别符合 IMDG/IATA/ADR 要求;具体以目的国法规与承运人判定为准。 |
Transport: UN 1220 (ACETATES, N.O.S.), Class 3 flammable liquid, Packing Group II (PG II), China DG No. 32128. Use UN-certified packaging and Class 3 labels; comply with IMDG/IATA/ADR as applicable; per destination regulation and carrier. |
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法规 Regulatory:列入中国《危险化学品目录(2015版)》序号 2653(易燃液体2类、眼刺激2类、STOT SE3 麻醉效应),危险货物编号 32128;经多源核实不属于易制毒、易制爆、重点监管、监控化学品或特别管控化学品。美国 TSCA 已列;欧盟 REACH 已注册(Active)。出口须提供商检与合规 SDS/标签。 |
Regulatory: listed in China's |
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NFPA 704:健康 1 / 易燃 3 / 反应 0(H 1 / F 3 / R 0)。 |
NFPA 704: Health 1 / Flammability 3 / Reactivity 0 (H 1 / F 3 / R 0). |
免责声明 / Disclaimer
本技术数据表(TDS)所载信息基于公开标准、行业惯例及供应商提供的数据编制,仅供用户参考,不构成任何明示或暗示的担保。
The information in this Technical Data Sheet (TDS) is compiled from published standards, general industry practice, and data supplied by the manufacturer/supplier. It is provided for the user's reference only and constitutes no express or implied warranty of any kind.
表中规格为工业级/试剂级典型参考值,具体指标以每批次《分析合格证(COA)》为准;用户应自行确认产品对特定用途的适用性与合规性,并遵守所在地法律法规。尤其注意本品高度易燃、具眼刺激与麻醉性,须按危险化学品严格管控。
The specifications listed are typical reference values for industrial/reagent grade; actual values are subject to the Certificate of Analysis (COA) of each batch. Users shall independently verify the product's suitability and regulatory compliance for the intended use and shall comply with applicable laws and regulations. Note especially that this product is highly flammable with eye-irritant and narcotic properties and must be strictly controlled as a hazardous chemical.
在法律允许的最大范围内,重庆广益化工有限公司不对因使用本数据表或本产品而产生的任何损失、损害或后果承担责任。
To the maximum extent permitted by law, Chongqing Guangyi Chemical Co., Ltd. shall not be liable for any loss, damage, or consequence arising from the use of this data sheet or this product.