Methyl 4-hydroxybenzoate
Molecular Structure:
MDL:
--MFCD00002352
Molecular Formula:
C8H8O3;HOC6H4CO2CH3
Molecular Weight:
152.15
Alias:
尼泊金甲酯,4-羥基苯甲酸甲酯,對(duì)羥基安息香酸甲酯,泊金M,尼泊金
p-Hydroxybenzoic acid methyl ester
Methyl paraben
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Methyl 4-hydroxybenzoate |
AR |
100g |
RMB 74.8 |
現(xiàn)貨 |
Methyl 4-hydroxybenzoate |
分析標(biāo)準(zhǔn)品,99.5% |
250mg |
RMB 308 |
Consulting service |
Methyl 4-hydroxybenzoate |
AR |
500g |
RMB 198 |
現(xiàn)貨 |
Character:
無(wú)色針狀結(jié)晶或結(jié)晶性粉末。無(wú)氣味或微有刺激性焦灼味。溶于醇、醚和丙酮,微溶于苯和四氯化碳,難溶于水(1g/400ml)。半數(shù)致死量(小鼠,腹腔)960mg/kg。有刺激性。
沸點(diǎn):298.6℃
熔點(diǎn):125-128℃
Quality Standard:
項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(C8H8O3)Assay,% ≥99.0 98.0
熔點(diǎn)范圍Melting point,℃ 125.0~128.0 124.0~127.0
灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,% ≤0.1 0.1
酸度Acidity 合格 合格
氯化物(Cl)Chloride,% ≤0.01 0.02
硫酸鹽(SO4)Sulfate,% ≤0.01 0.02
Storage:
密封保存。
用途 在醫(yī)藥工業(yè)中用作藥劑的防腐殺菌劑,也用于有機(jī)合成及食品;香料;膠片等的護(hù)腐添加劑。
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