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| Product Name: |
DSD ACID
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| Supply Ability: |
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| Related proudcts |
dsd acid, |
| Specifications |
95%min |
| Price Term: |
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1.Product name: DSD acid
2.Chemical name: 4,4-Diaminostilbene-2,2-disulfonic acid
3.Chemical formula: C14H14N2O6S2
4.Molecular weight: 370.4
5.CAS No.:81-11-8
6.HS Code:29215900.90
7.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
8.Quality index:
1)DSD Acid Dry Type:
Appearance-------------------------------------------------light yellow powder
total amino value(gross dry sample)%---------------95%min
Chromaticity------------------------------------------------9
Content of alkali insolubles (gross cream )%------0.08%max
Benzyl compound(gross sample)%------------------0.25%
Moisture%---------------------------------------------------2.0%max
Iron pm-------------------------------------------------------80max
2)DSD Acid Wet Type:
Appearance-------------------------------------------------light yellow cream
total amino value(gross dry sample)%---------------70%min
Chromaticity------------------------------------------------9
Content of alkali insolubles (gross cream )%------0.05%max
Benzyl compound(gross sample)%------------------0.25%
Iron pm-------------------------------------------------------80max
9.Main use:DSD ACID use In the manufacture of fluorescent brighteming agent、Chrysophenine G and Direct Yellow R, also as pesticides
10.Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven bag or upon clients' request.12MT/20FCL.
As a specialized manufacture of chemical products,We do business in this field with 12 years in China and we own 4 factories in manufacturing products, we can assure you that our products are high in quality and low in price.
Contact: sales01 at tj-yakete dot com ninayang2005 at 126 dot com |
| Company: |
hengshui donggang chemical industrial co.,ltd
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| Contact: |
Ms. nina yang |
| Address: |
daqing rode hengshui hebei china |
| Postcode: |
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| Tel: |
0318-2127902 |
| Fax: |
0318-2172108 |
| E-mail: |
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