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4-Hydroxyphthalicanhydride with CAS 27550-59-0

what is of  4-Hydroxyphthalicanhydride with CAS 27550-59-0?

dyestuff

CAS: 27550-59-0
Purity: 99%
4-Hydroxyphthalicanhydride with CAS 27550-59-0
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1.Quick details of 4-Hydroxyphthalicanhydride with CAS 27550-59-0

CAS No.:98-59-9
Other Names:P-Toluene Sulfonyl Chloride
MF:C7H7ClO2S
EINECS No.:202-684-8
Place of Origin:Shandong,China
Type:Syntheses Material Intermediates
Purity:99% min
Application:dyestuff
Appearance:white crystalline
Melting Point:67-69°C
Boiling Point:134°C (10 mmHg)
Flash Point:128°C
Moisture:≤0.1%
Free Acid:≤0.1%
o-Toluene Sulfonyl Chloride:≤0.1%
Color(APHA):≤20
Assay:≥99.5%
Description of  4-Hydroxyphthalicanhydride with CAS 27550-59-0
 

Items
Specification
Appearance
White crystalline powder
Content
99% min
Melting Point
67 °C min
Water
0.05% MAX
Color value
20 Pt/Co MAX
Free acid
0.3% MAX
Toluene sulfonyl chloride
0.2 %MAX
 

3.Application 

dyestuff

4.Packing

25kgs/drum,9tons/20’container

25kgs/bag,20tons/20’container

 

4-Hydroxyphthalicanhydride with CAS 27550-59-0
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