Description

Metol is a key organic chemical compound widely recognized as a primary photographic developing agent. Its core value proposition lies in its ability to produce fine-grained, high-contrast images with excellent tonal range, making it indispensable for high-quality photographic processing. This product is essential for manufacturers and formulators in the photographic industry, as well as for specialized applications in analytical chemistry and research laboratories.

Application

• Photographic Developer Formulations: Primary component in black-and-white film and paper developers, known for producing clean highlights and good shadow detail.
• Fine-Grain Developers: Used in combination with other agents to create developers that minimize graininess in film negatives.
• Paper Developers: Key ingredient in developers for photographic printing papers, ensuring rapid development and rich blacks.
• Chemical Synthesis: Serves as a versatile intermediate or reagent in organic synthesis for specialty chemicals.
• Analytical Chemistry: Employed as a reducing agent or colorimetric reagent in specific analytical procedures.
• Research & Development: Used in laboratory settings for photochemical studies and experimental photographic processes.

Basic Information

Product Name	Metol
CAS No.	1936-57-8
Molecular Formula	C7H9NO2S
Molecular Weight	171.22 g/mol
Synonyms	p-Methylaminophenol sulfate; 4-(Methylamino)phenol sulfate; Elon; Photol; Genol; Metol Hydroquinone; Monomethyl-p-aminophenol sulfate; p-Hydroxymethylaminobenzene sulfate
EINECS	217-706-3

Quality Control

Our Metol is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product is tested against rigorous in-house specifications, which typically include assay, identification, and impurity profile analysis. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfate Ash	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.