1.09799
p-Xylene
reference substance for gas chromatography
别名:
p-Xylene, 1,4-Dimethylbenzene
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线性分子式:
C6H4-1,4-(CH3)2
化学文摘社编号:
分子量:
106.17
EC Index Number:
203-396-5
UNSPSC Code:
12352005
MDL number:
InChI
1S/C8H10/c1-7-3-5-8(2)6-4-7/h3-6H,1-2H3
InChI key
URLKBWYHVLBVBO-UHFFFAOYSA-N
vapor pressure
8.7 hPa ( 20 °C)
assay
≥99.5% (GC)
form
liquid
autoignition temp.
540 °C
potency
3910 mg/kg LD50, oral (Rat)
expl. lim.
1.1-7 % (v/v)
technique(s)
gas chromatography (GC): suitable
bp
138.4 °C/1013 hPa
mp
13.3 °C
transition temp
flash point 24 °C
solubility
0.2 g/L
density
0.86 g/cm3 at 20 °C
storage temp.
2-30°C
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Analysis Note
Purity (GC): ≥ 99.5
Identity (IR-spectrum): conforms
Identity (IR-spectrum): conforms
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
80.6 °F - closed cup
flash_point_c
27 °C - closed cup
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