TX0770
p-Toluenesulfonic Acid, Monohydrate
GR ACS
别名:
p-Toluenesulfonic Acid, Monohydrate, 1-Hydrate
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关于此项目
经验公式（希尔记法）:
C7H8O3S · xH2O
化学文摘社编号:
分子量:
172.20 (anhydrous basis)
EC Index Number:
203-180-0
UNSPSC Code:
12352106
MDL number:
Assay:
≥99.0% anhydrous basis (acidimetric)
Grade:
ACS reagent
Form:
crystals
Solubility:
750 g/L
InChI
1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2
InChI key
KJIFKLIQANRMOU-UHFFFAOYSA-N
grade
ACS reagent
assay
≥99.0% anhydrous basis (acidimetric)
form
crystals
composition
Water, 9.5-11.5%
ign. residue
≤0.1% (600 °C)
color
off-white
pH
1 (20 °C, 650 g/L in H2O, anhydrous substance)
bp
140 °C/27 hPa
mp
56 °C (Elimination of water of crystallisation)
transition temp
flash point 180 °C
solubility
750 g/L
anion traces
sulfate (SO42-): ≤0.3%
cation traces
Fe: ≤0.01%, Na: ≤0.002%, heavy metals (as Pb): ≤0.001%
shipped in
ambient
storage temp.
room temp
Quality Level
Application
GR ACS
Analysis Note
Appearance (description)hygroscopic crystalsAppearance of solutionconformsAssay (acidimetric; calc. on anhydrous substance)99.0% minColoroff-whiteHeavy metals (as Pb)0.001% maxIron (Fe)0.01% maxResidue after ignition (600°C)0.1% maxSodium (Na)0.002% maxSulfate (SO4)0.3% maxWater (H2O)9.5-11.5%
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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