Identification
Name：2-Amino-4,8-naphthalenedisulfonic acid
Synonyms：2-Naphthylamine-4,8-disulfonic acid; 3-Amino-1,5-naphthalenedisulfonic acid; 4,8-Disulfo-2-naphthylamine; 7-Amino-1,5-naphthalenedisulfonic acid; C acid;
Molecular Structure：
Molecular Formula：C10H9NO6S2
Molecular Weight：303.30
CAS Registry Number：131-27-1
EINECS：205-020-5
WhatsApp/ telegram/ wechat
+8619047099456
Payment:
T/T, BTC, western union. We can discuss in detail for your convenience.
Packing and Delivery:
Package--To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Foil Bags, Cartons and Drums.
1KG--packed with aluminium bags with zip lock bags inside.
10KG-- packed with carton: 50cm*30mc*40cm
FAQ
Q1 what's the moq?
A:Usually our MOQ is 1kg.But it is based on the different product.Some are 10g.
Q2:Which kind of payment terms do you accept?
A:Payment by T/T,Western Union or Bitcoin.
Q3.Which transportation do we use?
A:Samples could be DHL,UPS,TNT,EMS,Fedex,and so on.For mass orders,it will be delivered by air or sea.
Q4:How about your delivery time?
Generally,it will take 3 to 5 days after receiving your advance payment.
Q5:How do you treat quality complaint?
A:First of all,our quality control will reduce the quality problem to near zero.If there is a real quality problem caused by us,we will send you free goods for replacement or refund your loss.
Q6.How can we trust you?
A:You are always warm welcomed to visit us at any time.Before we start B2B,MIC has audited our company on-spot and approved our credit.
Q7.Do you test all your goods before delivery?
A:Yes,we have 100%test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
We have 6 years of experience in R&D and manufacturing,we have rich experience in shipping,many well-known companies have cooperated with us,and are good at shipping various chemical products with us.
China
