China High-purity 4,4′-Diaminostibene-2,2′-disulfonic acid,CAS:81-11-8 EINECS Code 201-325-2 factory and manufacturers

High-purity 4,4′-Diaminostibene-2,2′-disulfonic acid,CAS:81-11-8 EINECS Code 201-325-2

short description:

High quality and best price chemicals product 4,4'-Diamino-2,2'-stilbenedisulfonic acid DSD ACID cas 81-11-8
4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8
10 years factory supply 4 4'-Diamino-2 2'-stilbenedisulfonic acid with professional service CAS: 81-11-8
Packaging Details:5kg/drum, 10kg/drum,25kg/drum
Port:shanghai, tianjin,qingdao
Product Categories: Agrochemical Intermediates;Intermediates & Fine Chemicals;Dyestuff Intermediates;Flavor & Fragrance Intermediates;Gatiflo, Tequin and Zymar;Pharmaceutical intermediates
4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS NO. 81-11-8 chemical properties
The usual one package of 4,4'-Diamino-2,2'-stilbenedisulfonic acid is 25kg/drum. But we could also subpackage it according to our customers' requirements.Such as 1kg/bag, 5kg/bag, 10kg/bag,etc.

Generally, the powder of 4,4'-Diamino-2,2'-stilbenedisulfonic acid will be packed in sealed plastic bags, and then be locked into the carton barrels or sealed in woven bags or craft paper bags. But we could also pack it with aluminium foil bags to provide more protection to the goods as our customers' required.

Other Names:: Diaminostilbene-2,2'-disulfonic acid

CAS No.:: 81-11-8

MF:: C14H14N2O6S2

EINECS No.:: 201-325-2

Type:: Pharmaceutical Intermediates

Purity:: 99%MIN

Description:: white powder

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Product Detail

Product Tags

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Application

4,4'-Diamino-2,2'-stilbenedisulfonic acid powder could be delivered by courier, air or by sea.

For 1~100kg, we recommend to ship it by courier,which is much faster and more convenient. What's more, . And the goods could be delived door by door.

For more than 100kg, the goods could be shipped by air or by sea, and it is up to you. But we will provide perfect solutions for your reference.

4,4'-Diamino-2,2'-stilbenedisulfonic acid 81-11-84,4'-Diamino-2,2'-stilbenedisulfonic acid 81-11-8

If you would like to buy Diaminostilbene-2,2'-disulfonic acid or ask for a sample of 81-11-8, but you still have some questions about it. It doesn't matter. You can find the answer below or feel free to contact us for any other questions. Pls click here for more...4,4'-Diamino-2,2'-stilbenedisulfonic acid 81-11-8

As a main manufactuer of 4,4'-Diamino-2,2'-stilbenedisulfonic acid/Diaminostilbene-2,2'-disulfonic acid, we have a short history, but we have the state of art equipment and R&D teams.

Packing: 25kg/cardboard drums

We can pack according to the customer request, otherwise will package as our factory.

As the shipping we can use DHL/ EMS/ TNT/ FedEx/USPS or according to your request.

By Courier	By Air	By Sea
≤50kg	50kg-500kg	≥500kgs
3-7 Days	1-2week	2-3weeks
Door to Door	Airport to Airport	Seaport to Seaport
Easy to get products	Need do Custom Clearance	Need do Custom Clearance

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Quick Details

Typical Properties

Item	Specifications
Melting point	300 °C
density	1.4732 (rough estimate)
refractive index	1.6510 (estimate)
storage temp.	-20°C Freezer
form	Crystalline Powder
color	Cream to yellow-brown
Water Solubility	<0.1 g/100 mL at 23 ºC

Item	Moist products	Dry products
Appearance	Light yellow paste	Light yellow powder
Gardner color ≤	10	9
Total Amino Value≥	54%	95%
Matter Insolubles≤	0.05%	0.08%
Benzyl Matter≤	0.25%	0.25%
Fe (ppm)≤	50	60

Shipping time by Sea (Just for reference)
North America	11~30 days	North Africa	20~40 days	Europe	22~45 days	South-east Asia	7~10 days
South America	25~35 days	WestAfrica	30~60 days	MiddleEast	15~30 days	East Asia	2~3 days
Middle America	20~35 days	EestAfrica	23~30 days	Ocenia	15~20 days	South Asia	10~25 days