| Product Name | Color developer CD-4 |
| Synonyms | Color developer agent CD-4; Color developing agent CD-4; Color developing CD-4 |
| Chemical Name | 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate |
| CAS | 25646-77-9 |
| EINECS | 247-162-0 |
| Molecular formula | C11H20N2O5S |
| Molecular Weight | 292.352 |
| Physical and Chemical Properties | Melting Point155ºCSolubilitySoluble in water.Boiling point364.3ºC at 760mmHg |
| General Description | White, light gray, or pink powder. Odorless. |
| Usage | Color developing agent of color photographic film. |
| Packing | 20kgs/fiber drum |
| Storage condition | Stored in a cool, ventilated warehouse. Stay away from fire and heat. Storage should be kept separate from oxidant. Equipped with corresponding varieties and quantities of fire equipment. The storage area shall be equipped with leakage emergency treatment equipment and suitable shelter materials. |
| Specifications |
| Items | Standard |
| content [CD--4] % | 99.0-102.0 |
| appearance | white particle or powder |
| 5%water solution appearance | colorless |
| volatile matter % | ≤0.1 |
| PH range | 2.10-2.50 |
| CD/H acid | 1.000±0.010 |
| melting pointºC | 156-160 |
| ash content % | ≤0.1 |
| heavy metal % | ≤0.001 |
| Acidic aqueous solution | qualified |
| Alkaline aqueous solution | qualified |
| Photographic properties | qualified |
| aging characteristic | qualified |
Hebei Jingbo New Material Technology Co., Ltd. was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.Our company has strong technical strength, advanced equipment, strict quality management system and high-quality after-sales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival.
China
