296333
对二甲苯
anhydrous, ≥99%
别名:
1,4-二甲苯
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关于此项目
线性分子式:
C6H4(CH3)2
化学文摘社编号:
分子量:
106.17
UNSPSC Code:
12352002
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-396-5
Beilstein/REAXYS Number:
1901563
MDL number:
Assay:
≥99%
Grade:
anhydrous
Bp:
138 °C (lit.)
Vapor pressure:
9 mmHg ( 20 °C)
grade
anhydrous
Quality Segment
vapor density
3.7 (vs air)
vapor pressure
9 mmHg ( 20 °C)
assay
≥99%
form
liquid
autoignition temp.
984 °F
expl. lim.
7 %
impurities
<0.002% water, <0.005% water (100 mL pkg)
evapn. residue
<0.0003%
refractive index
n
bp
138 °C (lit.)
mp
12-13 °C (lit.)
solubility
water: soluble 0.2 g/L
density
0.861 g/mL at 20 °C (lit.)
SMILES string
Cc1ccc(C)cc1
InChI
1S/C8H10/c1-7-3-5-8(2)6-4-7/h3-6H,1-2H3
InChI key
URLKBWYHVLBVBO-UHFFFAOYSA-N
General description
对二甲苯是主要在聚酯工业用作5,6-对苯二甲酸合成原料的二甲苯异构体。
Application
在无水氯化锡存在下，对二甲苯可与酮基丙二酸二乙酯反应合成2,5-二甲基苯基羟基丙二酸乙酯。
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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
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter