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无水乙醇
Ethanol absolute
CAS号: 64-17-5
分子式: C2H6O
分子量: 46.06844
别名: 无水酒精;绝对酒精
分子结构式:
  货号   品名   产品规格   包装   单价(RMB)   促销价(RMB) 可用库存 备注 数量
155633 无水乙醇 95% 25kg 450.00 427.5 >10 非列管,禁发4省
154081 无水乙醇 CP 500ml 27.00 25.65 >10 非列管,禁发4省
153211 无水乙醇 95% 500ml 25.00 23.75 >10 非列管,禁发4省
149764 无水乙醇 分析标准品,>99.9% 5ml 165.00 156.75 >10 J-K
101729 无水乙醇 农残级, ≥99.8% 500ml 70.00 66.5 >10 非列管,禁发4省
101728 无水乙醇 光谱纯, ≥99.8% 500ml 70.00 66.5 >10 非列管,禁发4省
101727 无水乙醇 电子级 500ml 99.00 94.05 >10 非列管,禁发4省
101726 无水乙醇 GCS,>99.8% 5ml 29.00 27.55 >10 非列管,禁发4省
101725 无水乙醇 HPLC 500ml 77.00 73.15 >10 非列管,禁发4省
101724 无水乙醇 GR 500ml 31.00 29.45 >10 非列管,禁发4省
101723 无水乙醇 无醛乙醇 500ml 249.00 236.55 >10 非列管,禁发4省
101722 无水乙醇 AR 500ml 29.00 27.55 >10 非列管,禁发4省
性状
质量标准
用途
危险性质
贮存

无色透明、易燃易挥发液体。有酒的气味和刺激性辛辣味。 溶于水、甲醇、乙醚和氯仿。能溶解许多有机化合物和若干无机化合物。
熔点  -114°C
沸点  78°C
密度  0.79
折射率  1.3614
FEMA  2419
闪点  12°C

品级Grade                                分子生物学专用
                                  (for molecular biology, ≥99.8%)
含量assay                                   ≥99.8%
DNA酶DNases,                                none detected
高锰酸钾还原物质KMnO4-reducing substances,  in accordance
RNA酶RNases,                                none detected
不溶物insoluble matter,                     passes filter test
磷酸酶phosphatases,                         none detected
蛋白酶proteases,                            none detected
遇硫酸变黑物质substances darkened by H2SO4, in accordance
游离碱free alkali (as NH3)                  ≤0.0004%  
醛aldehyde (as CH3CHO)                      ≤0.001%  
甲醛formaldehyde (as HCHO)                  ≤0.001%
酮ketone (as CH3COCH3)                      ≤0.001%
游离酸free acid (as CH3COOH)                ≤0.002%
甲醇methanol (CH3OH)                        ≤0.1%  
水分water                                   ≤0.02%
蒸发残渣evapn. residue                      ≤0.001%
  Al:                                       ≤0.5 ppm
  Ba:                                       ≤0.1 ppm
  Bi:                                       ≤0.1 ppm
  Ca:                                       ≤0.5 ppm
  Cd:                                       ≤0.05 ppm
  Co:                                       ≤0.02 ppm
  Cr:                                       ≤0.02 ppm
  Cu:                                       ≤0.1 ppm
  Fe:                                       ≤0.1 ppm
  K:                                       ≤0.5 ppm
  Li:                                       ≤0.1 ppm
  Mg:                                       ≤0.1 ppm
  Mn:                                       ≤0.02 ppm
  Mo:                                       ≤0.1 ppm
  Na:                                       ≤1 ppm
  Ni:                                       ≤0.02 ppm
  Pb:                                       ≤0.1 ppm
  Sr:                                       ≤0.1 ppm
  Zn:                                       ≤0.1 ppm
λ neat
紫外吸收UV absorption
  λ: 260 nm                                ≤0.04
  λ: 280 nm                                ≤0.03

 

执行标准 :  GB/678-2002
项目Item                          优级纯     分析纯      化学纯
                                                                        ( GR)          (AR)         (CP)
含量(CH3CH2OH),%                           ≥99.8       99.7          99.5  
密度(20℃)Density,g/mL                     0.789-0.791   0.789-0.791   0.789-0.791
与水混合试验Miscibility with water          合格        合格          合格
蒸发残渣Evaporation residue,%              ≤0.0005       0.001         0.001
水份(H2O)Water,%                                      ≤0.2          0.3           0.5
酸度(以H+计)Acidity,mmol/100g              ≤0.02         0.04          0.1
碱度(以OH-计)Alkalinity,mmol/100g         ≤0.005        0.01          0.03
甲醇(以CH3OH计)Methanol,%                  ≤0.02         0.05          0.2
异丙醇[(CH3)2CHOH]                         ≤0.003       0.01         0.05
羟基化合物(以CO计)Carbonyl compounds       ≤0.003       0.003        0.005
还原高锰酸钾物质(以O计)Potassium           ≤0.00025     0.00025      0.0006
permanganate reducing substances
易碳化物质Readily carbonizable
substances                              合格        合格       合格
铁(Fe)Iron,%                             ≤0.00001       --           --
锌(Zn)Zinc,%                             ≤0.00001       --           -- 


ACS级
项目名称Item                                              ACS Grade
含量Assay(CH3CH2OH)                                        ≥99.5%
水分(H2O)Water                                             ≤0.2%
色度Color(APHA)                                            10
水溶解试验Solubility in water                              Passes test
蒸发残渣Residue after evaporation                          ≤0.001%
丙酮异丙醇试验Acetone,isopropyl alcohol                    ≤Passes test
可滴定酸Titrable acid                                      ≤0.0005meq/g
可滴定碱Titrable base                                      ≤0.0002meq/g
甲醇Methanol(CH3OH)                                        ≤0.1%
硫酸变黑物substances darkened by sulfuric acid             Passes test
还原高锰酸盐物质Substances reducing permanganate           Passes test


品级Grade                                                  光谱纯  
                                                        (for HPLC grade)
纯度Purity                                                 ≥99.8% (GC)
λ 1 cm path, H2O reference
吸光度
λ:210nm                                                   ≤1.0
λ:225nm                                                   ≤0.26
λ:240nm                                                   ≤0.10
λ: 254 nm                                                 ≤ 0.02
λ:260nm                                                   ≤0.01
荧光度(奎宁)254nm                                          ≤1ppb
荧光度(奎宁)365nm                                          ≤1ppb
游离酸(CH3COOH)                                            ≤0.001%
不挥发物                                                   ≤0.001%
水分                                                       ≤0.2%


品级Grade                                               色谱纯, ≥99.8%  
                                                     (for HPLC, ≥99.8%)
纯度Purity                                                 ≥99.8% (GC)
游离酸free acid (as CH3COOH)                               ≤0.001%
非挥发性物质non-volatile matter                            ≤0.001%
水分water≤0.2%  (Karl Fischer)
荧光度(奎宁)fluorescence (quinine)at 254 nm                ≤1 ppb  
荧光度(奎宁)fluorescence (quinine) at 365 nm                ≤1 ppb
λ                                                 1 cm path, H2O reference
UV absorption λ: 210 nm A:                                ≤1.0
  λ: 225 nm A:                                            ≤0.26
  λ: 254 nm A:                                            ≤0.02
  λ: 300 nm A:                                            ≤0.004



 

用作自助火锅燃料、野外旅游燃料等  是重要的基础化工原料之一,广泛用于有机合成、医药、农药等行业,也是一种重要的有机溶剂

类别 易燃液体
毒性分级 中毒
危险品标志  F,T,Xn
危险类别码  11-10-36/37/38-39/23/24/25-23/24/25-68/20/21/22-20/21/22-52/53
安全说明  16-7-36-26-45-36/37-61-24/25
危险品运输编号  1170
急性毒性 口服-大鼠 LD50: 7060 毫克/公斤; 口服-小鼠 LD50: 3450 毫克/公斤
刺激数据 皮肤-兔子 20毫克/24小时 中度; 眼睛-兔子 500 毫克/24小时 轻度
爆炸物危险特性 与空气混合形成爆炸性混合物
可燃性危险特性 遇明火、高温、氧化剂易燃; 燃烧产生刺激烟雾; 长期大量饮酒易患酒精中毒症
储运特性 库房通风低温干燥; 与氧化剂分开储运存放
灭火剂 干粉、干砂、干石粉、二氧化碳、泡沫
职业标准 TWA 1900毫克/立方米; STEL 2400毫克/立方米 

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