Product: Methylene Blue Zinc Free USP27. CAS #: 7220-79-3. Synonyms Tetramethylthionine Chloride Trihydrate, 3-Methochloride …
Product: Methylene Blue Zinc Free USP27. CAS #: 7220-79-3. Synonyms Tetramethylthionine Chloride Trihydrate, 3-Methochloride Trihydrate; Basic Blue 9 Trihydrate; C.I. 52015 Trihydrate; Methylene Blue Trihydrate; Methylthionine Trihydrate. Molecular Formula: C16H24ClN3O3S. Molecular Weight: 319.85. Description: Dark green crystalline powder, odourless, highly hygroscopic. Identification: Complies with the infrared absorption test of USP27. Arsenic: Not more than 8 parts per million. Copper: Not more than 0.02 % max. Zinc: Not more than 0.02 % max. Volatile Organic Compounds: complies as per tests stipulated by USP27. Sulphated Ash: 0.3 % max. Moisture Content: 11.5 % Limit: 8.0 to 18.0 % Assay: 98.5 % min. on dry basis. Min. Absorption between 663 and 665 N.M. Quantity Available: 3.0 MT. per month. Packing: 25.0 kilos net, new, polylined HDPE drums. Delivery: 4 to 6 weeks from receipt of confirmation. Price: Available on request. Payment: Negotiable.
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