Free Sample CD-4 CAS 25646-77-9
Free Sample CD-4 color developer CAS 25646-77-9
Payment: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Min: 10 Gram
Delivery: 7 Days
Transporta: Ocean, Land,Air, DHL，TNT
Port: Shanghai Port, Qingdao Port
Brand: zhishang chem
Inert atmosphere,Room Temperature
Place of Origin
Color developer agent CD-4 / Color developing agent CD-4 cas 25646-77-9 basic information
Color developing agent CD-4
364.3ºC at 760mmHg
CD-4: Color developer
Used as high-temperature rapid developer for oil-soluble color film in film and photography department
|Shelf Life||2 years|
|Packing||1kg/bag,25kg/bag or as your requirements|
The fourth in the series of chromogenic agents used to develop color films, usually called CD-4, chemically known as 4-(N-ethyl-n-hydroxyethyl) -2-methylphenylenediamine sulfate. During color development, the silver atoms in silver halide crystals are reduced by oxidized chromogenic agents, which combine with the color to form color dye molecules.
* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.
* The sample supports testing and inspection.
* Each batch of products will be tested to ensure that its quality meets user needs.
*Packaging can also be made according to customer requirements.
*Any inquiries will be answered by our relevant personnel within 24 hours.
*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.
*We will monitor the logistics information in real-time and will share the information with you.
* You can consult us at any time if you have any questions about the product, and we will answer you in time.
*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.
1. ≤50kg, we recommend express delivery, usually called DDU service;
2. ≤500kg, air transportation is generally recommended, usually called FOB, CFR or CIF service;
3.>500kg, sea freight is generally recommended, usually called FOB, CFR or CIF service;
4. For high-value products, please choose air and express to ensure the safety of the products.
Do you accept sample order?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
How to confirm whether the product quality meets our needs before placing an order?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
What’s your MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
Do you supply product report?
Yes. We’ll give you product analysis report before shipping.