Home
0086-571-8627 3270
service@chemball.com
Sign In
Please enter your email address correctly
Please enter your password
Forgot Password
OR
Join Free >
4,4’-Diaminostilbene-2,2’-Disulfonic Acid
CAS NO.: 81-11-8
FOB Price: NEGOTIABLE Get Latest Price
Specification: 95%
Documentation:
Lead Time: 14-30 days
Max Capacity: 5000MT/Year
Packing: 25KG/Woven Bag; Customed Package
Product Detail
Properties

4,4’-Diaminostilbene-2,2’-disulfonic acid


Chemical name:4,4’-Diaminostilbene-2,2’-disulfonic acid


Structural formula:

Chemical formula: C14H14N2O6S2


Molecular weight: 370.4


CAS NO.:81-11-8


Property:

1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water,

easily soluble in alkaline solution.

2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amine


Quality index:

Item

Index

(1)Appearance dry/wet

light yellow powder/light yellow cream

(2)Dry product total amino value(gross dry sample)

≥ 95.0%

(3)Degree of pigmentation(EOD)

≤ 0.12

(4)Content of alkali insolubles (gross cream )

≤ 0.08%

(5)Benzyl compound(gross sample)

≤ 0.25%

(6)Ash content

≤ 2.2%


Main use: In the manufacture of fluorescent brighteming agent、Chrysophenine G

and Direct Yellow R, also as pesticides


Packing: dry product: in 25kg woven bags or upon clients' request; wet product:

in 40kg woven bag or upon clients' request.

Send your message to this supplier
To:
Luoyang Dongyuan Chemical Co.,Ltd.
From:
Please enter your email
Message:
You did not fill in the message!
You can upload 6 files at most
Add Attachment
SEND SUCCESSFUL!
SEND FAILED
Not exactly what you want? One request, multiple quotations Get Quotations Now >>
27YRS
Business Type:
Manufacturing
Country/Region:
Henan, China
Contacts:
Manager Han
Position Title:
Manager of foreign trade department
Tel:
0086-379-67435819
Visit Factory
Get Free Samples
Less than 1KG required
Please enter the correct email address
Please enter quantity
Please enter remark