4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate CAS 25646-77-9
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Product Description
Molecular Formula: C11H20N2O5S
Molecular Weight: 292.35
EINECS: 247-162-0
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Made in China
Product Details
Introduction
4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate (abbreviated as color developer CD-4) is a color developer, which is used to develop the color photographic film after exposure. It is usually used in a set with other photosensitive chemicals.
Product Specifications
| Item | Specification |
| Appearance | white granules or powder |
| Content | 99.0-100.0% |
| Appearance of 5% aqueous solution | Colorless |
| Volatile matter | ≤0.1% |
| PH value | 2.10-2.50 |
| CD/H acid | 1.000±0.010 |
| Melting point range | 156-160℃ |
| Ash content | ≤0.1% |
| Heavy metals | ≤0.001% |
| Acidic aqueous solution | Qualified |
| Alkaline aqueous solution | Qualified |
| Photographic performance | Qualified |
| Aging performance | Qualified |
Application
Mainly used for the development of oil-soluble color films.
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