p-Toluenesulfonic Acid
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p-Toluenesulfonic Acid
CAS.NO:
104-15-4 , 6192-52-5(p-Toluenesulfonic Acid—)
Molecular formula:
C7H8O3S·H2O
Molecular weight:
190.2
Structural formula:
Implement standard:
Q320581DKR001-2012
UN code:
2585
Code:
2916 3990(HS-Code)
Appearance:
white needle crystal
Technical requirements:

Item/Index

Industrial grade

Pharmaceutical grade

Refining grade

Reagent grade
(chemical pure)

Content(C7H8O3S·H2O) ≥%

93.0

95.0

97.0

98.0

Free acid(H2SO4) ≤%

3.0

2.0

0.5

0.03

Moisture(crystal water)≤%

14

14

14

Iron(Fe++) ≤ppm

30

20

Ignition residue ≤%

/

0.2

0.2

0.02

Melting point(°C)

/

/

105-107

105-107

Alcohol solution test

/

qualified

qualified

qualified

Water solution test

/

qualified

qualified

qualified

Use:

Used in pharmaceutical and organic synthesis intermediate, dope, resin solidification agent and others

Packing:

Plastic weaving bag lined with film bag for industrial grade, pharmaceutical grade and refining grade. Net weight: 25kg. We can offer special packing according to demands from customers.

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