12279
1,2-丙二醇
analytical standard
别名:
1,2-PDO, 丙二醇
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关于此项目
线性分子式:
CH3CH(OH)CH2OH
化学文摘社编号:
分子量:
76.09
NACRES:
NA.24
E Number:
E490
PubChem Substance ID:
UNSPSC Code:
41116107
EC Number:
200-338-0
MDL number:
Beilstein/REAXYS Number:
1340498
InChI key
DNIAPMSPPWPWGF-UHFFFAOYSA-N
InChI
1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
SMILES string
CC(O)CO
grade
analytical standard
vapor density
2.62 (vs air)
vapor pressure
0.08 mmHg ( 20 °C)
assay
≥99.7% (GC)
autoignition temp.
779 °F
shelf life
limited shelf life, expiry date on the label
expl. lim.
12.5 %
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
refractive index
n20/D 1.432 (lit.), n20/D 1.433
Quality Level
mp
−60 °C (lit.)
density
1.036 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
forensics and toxicology
personal care
pharmaceutical (small molecule)
format
neat
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General description
1,2-丙二醇是一种化学性质类似于乙二醇的化合物，广泛用于汽车防冻剂、活性炭制剂、化妆品、饮料、软膏等。它可用作水溶性差的药物静脉注射制剂的稀释剂。
Application
在通过气相色谱-质谱法检测蜂蜜、蜜蜂和花粉中的环境污染物时，1,2-丙二醇可用作分析物保护剂。使用顶空气相色谱（HS-GC）技术，它也可用作定量分析生物流体中分析物的分析参考标准品。
有关理想仪器技术的更多信息，参见产品#8242;s分析证书。想要获得更多支持，请联系技术服务部。
存储类别
10 - Combustible liquids
wgk
WGK 3
flash_point_f
217.4 °F - closed cup
flash_point_c
103 °C - closed cup
ppe
Eyeshields, Gloves
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实验方案
99%；甘油，≥99.5%；四甘醇，99%
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