选择尺寸
关于此项目
UV/Vis spectroscopy: suitable
产品名称
正丁醇, suitable for HPLC, ≥99.7%
InChI key
LRHPLDYGYMQRHN-UHFFFAOYSA-N
InChI
1S/C4H10O/c1-2-3-4-5/h5H,2-4H2,1H3
SMILES string
CCCCO
grade
HPLC grade
vapor density
2.55 (vs air)
vapor pressure
5.5 mmHg
assay
≥99.7%
form
liquid
autoignition temp.
649 °F
expl. lim.
11.2 %
technique(s)
HPLC: suitable
UV/Vis spectroscopy: suitable
impurities
≤0.001% non-volatile matter
≤0.002% free acid (as C3H7COOH)
≤0.1% water (Karl Fischer)
transmittance
210 nm, ≥20%
235 nm, ≥80%
280 nm, ≥98%
refractive index
n20/D 1.399 (lit.)
pH
7 (20 °C, 70 g/L)
bp
116-118 °C (lit.)
mp
−90 °C (lit.)
density
0.81 g/mL at 25 °C (lit.)
application(s)
food and beverages
Quality Level
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Application
General description
Other Notes
货号 34867-4X2.5L的产品即将停产。请订购34867-2.5L单瓶装,因为其具体参数与上述产品本质相同。
Packaging
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Central nervous system, Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
95.0 °F - Pensky-Martens closed cup
flash_point_c
35 °C - Pensky-Martens closed cup
法规信息
商品
Analysis of glycyrrhizin in licorice using the USP TLC method enhanced by the TLC Explorer for precise documentation, automation, and quantification.
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