醋酸丁酯规格:99.0% 产地:美国 包装:180kg/桶 价格:8300元/吨
醋酸丁酯
Butyl acetate
Cas号: 123-86-4
分子式 C6H12O2; CH3COO(CH2)3CH3
分子量 116.16
别名 醋酸丁酯,乙酸正丁酯,醋酸正丁酯,乙酸丁脂
Acetic acid butyl ester
n-Butyl acetate
n-Butyl acetate (sequencing)
性状 具有愉快水果香味的无色液体。能与乙醇和醚混溶,能溶于多数有机溶剂,与低级同系物相比,较难溶于水,溶于大多数烃类化合物,25℃时溶于约120份水。
密度:0.88
熔点: -77.9℃
沸点: 127℃
折光率n20/D: 1.393-1.395
闪点:22℃
备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准
HG/T 3-1466-82
项目Item 分析纯 化学纯
(AR) (CP)
含量(C6H12O2)Assay,% ≥ 99.0 98.0
密度(20℃)Density,g/mL 0.880-0.885 0.880-0.885
不挥发物Novolative,% ≤ 0.001 0.005
水分(H2O)Water,% ≤ 0.1 0.3
重金属(以Pb计)Heavy metals,% ≤ 0.0001 0.0001
禁发 硫酸试验Substances darkened by
sulfuric acid 合格 合格
游离酸(以CH3COOH计)Free acids,% ≤ 0.005 0.01
ACS级
项目名称 ACS Grade
含量Assay ≥99.5%
色度Color(APHA) 10
蒸发残渣Residue after evaporation ≤0.001%
可滴定酸Titrable acid ≤0.0016meq/g
禁发 硫酸试验Substances darkened by sulfuric Passes test
水(H2O)Water ≤0.1%
正丁醇(C4H9OH)n-Butyl alcohol 0.2%
品级Grade 色谱纯
(for HPLC, ≥99.7% (GC))
外观Appearance 无色液体
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.7% (GC)
UV Absorbance 400nm ≤0.01
UV Absorbance 320nm ≤0.01
UV Absorbance 300nm ≤0.02
UV Absorbance 275nm ≤0.04
UV Absorbance 260nm ≤0.20
UV Absorbance 254nm ≤1.0
水分Water ≤0.05 % (by Karl Fischer)
蒸发残渣Residue on Evaporation ≤0.0005 %
品级Grade 聚氨酯级,99.5%
(urethane grade, 99.5%)
外观Appearance Colorless Liquid
红外光谱Infrared spectrum Conforms to Structure
折光率Refractive index at 20 ° C 1.392 - 1.396
水分Water (by Karl Fischer) ≤0.05 %
密度Specific Gravity 0.882 - 0.884
at 20°C
酸度Acidity(as Acetic Acid) ≤0.01
色度Color Test ≤5 APHA
纯度Purity(GC) ≥99.5 %
非挥发行物质Nonvolatile Matter (g/100ml)≤0.005
醇含量Alcohol Content ≤0.25 %
≥99%, FCC:
grade FCC Kosher NI
外观Appearance Colorless Liquid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥99.0%
相对密度Specific gravity (25/250°C) 0.876 - 0.880
折光率Refractive index n20/D 1.393 - 1.396
Boiling Point by DSC 120.0 - 128.0 °C
酸值Acid Value ≤2.00
Arsenic (As) ≤3 ppm
镉Cadmium (Cd) ≤1 ppm
Mercury (Hg) ≤1 ppm
铅Lead (Pb) ≤10 ppm
natural, ≥98%, FCC:
grade natural,FCC Kosher NI FG
外观Appearance Colorless Liquid
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥98.0%
相对密度Specific gravity (25/250°C) 0.876 - 0.880
折光率Refractive index n20/D 1.393 - 1.396
色度color test 100 apha (maximum)
酸值Acid Value ≤2.00
Arsenic (As) ≤3 ppm
镉Cadmium (Cd) ≤1 ppm
Mercury (Hg) ≤1 ppm
铅Lead (Pb) ≤10 ppm
13Carbon Analysis ≥1.00 ppm
14Carbon Analysis ≥1.00 dpm/gC
Deuterium Analysis ≥1.0 ppm
贮存 密封阴凉干燥保存。
用途 常用有机溶剂, 检定禁发 铊、锡和钨, 测定钼和铼, 抗生素萃取剂。
联合国编号 1123
Risk: R10- R66- R67-
Safety : S25-
Hazard :