醋酸丁酯規(guī)格:99.0% 產(chǎn)地:美國(guó) 包裝:180kg/桶 價(jià)格:8300元/噸
醋酸丁酯
Butyl acetate
Cas號(hào): 123-86-4
分子式 C6H12O2； CH3COO(CH2)3CH3
分子量 116.16
別名 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)
性狀 具有愉快水果香味的無色液體。能與乙醇和醚混溶，能溶于多數(shù)有機(jī)溶劑，與低級(jí)同系物相比，較難溶于水，溶于大多數(shù)烴類化合物，25℃時(shí)溶于約120份水。
密度：0.88
熔點(diǎn): -77.9℃
沸點(diǎn): 127℃
折光率n20/D: 1.393-1.395
閃點(diǎn)：22℃
備注: 以上描述，僅作參考，并不表示您收到的產(chǎn)品，與此項(xiàng)描述完全相符，產(chǎn)品的出廠標(biāo)準(zhǔn)，請(qǐng)參見質(zhì)量標(biāo)準(zhǔn)。
質(zhì)量標(biāo)準(zhǔn)
HG/T 3-1466-82
項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(C6H12O2)Assay,% ≥ 99.0 98.0
密度(20℃)Density,g/mL 0.880-0.885 0.880-0.885
不揮發(fā)物Novolative,% ≤ 0.001 0.005
水分(H2O)Water,% ≤ 0.1 0.3
重金屬(以Pb計(jì))Heavy metals,% ≤ 0.0001 0.0001
***試驗(yàn)Substances darkened by
sulfuric acid 合格 合格
游離酸(以CH3COOH計(jì))Free acids,% ≤ 0.005 0.01
ACS級(jí)
項(xiàng)目名稱 ACS Grade
含量Assay ≥99.5%
色度Color(APHA) 10
蒸發(fā)殘?jiān)?span>Residue after evaporation ≤0.001%
可滴定酸Titrable acid ≤0.0016meq/g
***試驗(yàn)Substances darkened by sulfuric Passes test
水（H2O）Water ≤0.1%
正丁醇(C4H9OH)n-Butyl alcohol 0.2%
品級(jí)Grade 色譜純
(for HPLC, ≥99.7% (GC))
外觀Appearance 無色液體
紅外光譜鑒別Infrared spectrometry Conforms
純度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)
蒸發(fā)殘?jiān)?span>Residue on Evaporation ≤0.0005 %
品級(jí)Grade 聚氨酯級(jí)，99.5%
(urethane grade, 99.5%)
外觀Appearance Colorless Liquid
紅外光譜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
純度Purity(GC) ≥99.5 %
非揮發(fā)行物質(zhì)Nonvolatile Matter (g/100ml)≤0.005
醇含量Alcohol Content ≤0.25 %
≥99%, FCC:
grade FCC Kosher NI
外觀Appearance Colorless Liquid
紅外光譜鑒別Infrared spectrometry Conforms to Structure
純度Purity(GC) ≥99.0%
相對(duì)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
砷Arsenic (As) ≤3 ppm
鎘Cadmium (Cd) ≤1 ppm
Mercury (Hg) ≤1 ppm
鉛Lead (Pb) ≤10 ppm
natural, ≥98%, FCC:
grade natural,FCC Kosher NI FG
外觀Appearance Colorless Liquid
紅外光譜鑒別Infrared spectrometry Conforms to Structure
純度Purity(GC) ≥98.0%
相對(duì)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
砷Arsenic (As) ≤3 ppm
鎘Cadmium (Cd) ≤1 ppm
Mercury (Hg) ≤1 ppm
鉛Lead (Pb) ≤10 ppm
13Carbon Analysis ≥1.00 ppm
14Carbon Analysis ≥1.00 dpm/gC
Deuterium Analysis ≥1.0 ppm
貯存 密封陰涼干燥保存。
用途 常用有機(jī)溶劑, 檢定錫和鎢, 測(cè)定鉬和錸, 抗生素萃取劑。
聯(lián)合國(guó)編號(hào) 1123
Risk： R10- R66- R67-
Safety : S25-
Hazard :