Year1
- CAS NO：
- 135-51-3
- 分 子 式：
- C10H6Na2O7S
- 分 子 量：
- 348
Chinese name naphthol, disodium disulfonate
Chinese synonyms naphthol, disodium disulfonate hydrochloride sodium salt, naphthol, sodium disulfonate
English namebr/> English Synonymous,
br/> No.
Molecular formula
Molecular weight
Packaging/woven bag
Content %
Purchase price/
Sales guide price/
Structural formula
Physical and chemical properties Edit this section Chemical properties
Product use Edit this section Product use Fluorescent indicator. Diazonium salts and aromatic amine reagents. Organic Synthesis.
Dye intermediates. Mainly used to prepare azo dyes, food pigments, etc.
Frequently Asked Questions
. When will it be shipped?
Working hours are Monday to Friday. If you pay before ordering, the goods can be shipped on the same day. Click to pay and ship the next day. Our company is closed according to national statutory holidays. We only accept inquiries and orders on Saturdays and Sundays, but do not deliver goods.
. Why are you shipping to me?
For liquid products nationwide, only non-dangerous goods liquids can be shipped by express delivery.
Non-liquid products can be shipped by express delivery or logistics freight nationwide.
Since chemical products are mostly liquids and powders, not all transportation companies (express delivery and logistics) are willing to carry them. In order to ensure that the goods can be delivered to you safely and quickly, please choose and trust the transportation companies we recommend.
. How many days will it take to arrive?
Under normal circumstances, express delivery within Hubei Province will arrive on the same day, and express delivery from outside Hubei Province will arrive on the same day (it will take longer in remote areas or mountainous areas).
The time for logistics and freight varies depending on the specific location. Under normal circumstances, it will arrive at the local logistics site on the same day (remote areas or mountainous areas will take longer).
This is related to the efficiency and speed of the logistics and transportation company, which is difficult for us to control. I hope you understand. If you are in urgent need, please contact our customer service to discuss the most convenient and convenient transportation method that best suits your requirements.
. Is the quality of your products trustworthy?
Our company is a spice company that has been operating for more than 10 years. Our products all comply with national standards and industry standards. We can provide samples for you to try out first. For large quantities, each batch of goods will be accepted according to the sample quality and product execution standards. Inspection reports can be provided.
. Why are the prices of your products higher than those quoted by others?
Our products all comply with national standards and industry standards, and the prices meet market demand. What you buy from us are products with guaranteed quality and affordable prices. The main reasons directly related to the price of spices are the following content, extraction process, raw materials used, and origin. These reasons lead to differences in quality and prices. Therefore, we recommend that you not only look at the price, but also look at the samples to compare the quality. We are happy to provide samples
[After-sales instructions]
Logistics and distribution The logistics companies we cooperate with include Debon Logistics, China Railway Logistics, and Youjie Logistics, Jiaji Logistics, Datang Logistics, Jinhua Logistics, Donghe Logistics, Changtong Logistics, Wuxia Logistics and other logistics companies can also be customized by the customer. Express delivery companies include Yunda Express, Shunfeng Express, railway transportation, and intra-city special car delivery. Foreign customers also include sea transport, air transport, and professional freight forwarding companies that have cooperated with us for many years.
, Payment method: Domestic customers pay on delivery, support Bank of Communications, Agricultural Bank of China, etc. Foreign customers include Western Union, MoneyGram, Bank of Communications, Bank of China in Hong Kong, HSBC in Macau, etc. The payment methods are flexible. If there is stock, payment can usually be made on the same day and the goods can be shipped. If goods need to be transferred, we will arrange for the goods to be delivered to the customer's designated warehouse as soon as possible.
, Return and Exchange Policy
) After the goods arrive, please carefully confirm that the goods are in good condition before signing for them, and accept them according to the implementation standards of the product. If any product specifications do not match, we guarantee a return or exchange.
) We will carefully package the goods before shipping, but the freight loading and unloading process may cause scratches and dents in the outer packaging. If there is no product leakage, this is normal.
) If there is any leakage, please take a photo and keep it as evidence and contact us immediately, we will cooperate to solve the problem.
Free samples, discounts on trial products, and large quantities available at ex-factory prices.
WhatsApp
