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H Acid
H Acid
CAS NO.：
90-20-0
FOB Price：
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Specification：
98%
Documentation：
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1000MT/Year
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Product Detail
Properties
Properties
Summary
It is an important intermediate in the manufacture of azo dyes.
CAS No.
90-20-0
Formula
C10H9NO7S2
Molecular Mass
319.31100
Exact Mass
318.98200
PSA
171.75000
Logp
3.36380
IUPAC
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
Attribute classification
Matter Classification
organic
Category
Chemical and Physical Properties
Melting Point
>300 °C(lit.)
Density
1.88 g/cm3
Appearance
White to gray yellow powder
Acidity and Basicity
acidness, reducibility, oxidizability
Export information
HS Code
29222100
Risk Code
R36/37/38
Safety Label
Xi
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LUOYANG HAIHUI NEW METERIAL Co.,Ltd.
24YRS
Business Type：
Manufacturing
Country/Region：
Henan, China
Contacts：
Han Xuzong
Position Title：
Vice General Manager
Tel：
0086-379-66912699
Email：
haihui@chemmail.net
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