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Basic Blue 9 61 73 4 - China

price: contact company for price

Basic blue 9, is also known as Methylene Blue, Methylene blue BB, or methyl blue.

It is a golden red flash or flash golden bronze powder.

Soluble in water, slightly soluble in alcohol, blue.

Case of concentrated sulfuric acid is yellow green, blue diluted.

In concentrated nitric acid in the Gray-green, added sodium hydroxide solution is purple and dark purple precipitate, add hydrochloric acid unchanged.

Molecular Formula: C16H18ClN3S Molecular Weight: 319.858 Strength: 100% Packing: Packed in 25kgs iron drums, plastic bags.

Application Instructions: Basic blue 9 is used for silk, wool dyeing, the light fastness is poor;

When used as tannin mordant dyeing for cotton dyeing, light fastness is 3;

Basic blue 9 or methyl blue, was previously used for the direct printing of cotton, but now, it is rarely used in this way;

Other uses including pigment for the paper, bamboo, wood color, for the manufacture of ink and color lake pigments and biological, bacteriological stain;

Also used as solvent dyes.


Company Contact:


  • Phone: +86-318-5111569

  • Address: Wuqiang Chemical Industrial Zone, Hengshui, Hebei, P. R. China., hengshui , hebei , China

  • Email: Email


Published date: December 31, 2020

  • Business Description: Hebei Ruixin Chemical Industry Co., Ltd. is a professional manufacturer of basic green 4, basic orange 2, basic yellow 2 and other dyes.

    Hebei Ruixin can produce 2200MT BASIC GREEN 4 (MALACHITE GREEN OXALATE) annually, in the form of Basic Green 4 Crystals, Basic Green 4 Powder and Basic Green 4 Liquid.

    We also produce Basic Orange 2 powder and crystal, Basic yellow 2 powder.

    Quality Basic Green 4(Malachite Green) at Competitive Price.

    Through adoption of Korea advanced production technology and advanced machine, together with the continuous effort of our dedicated experts and technicians, we have successfully developed first-class Basic Green Series Dyestuff with No Heavy Metal Content like lead or zinc.

    It is regarded as Green Environmental Protection Products by the trade.

    Our major products cover basic green 4, basic orange 2, basic yellow 2, and other dyes.

    65% of our products are exported to Indonesia, Malaysia, Turkey, Japan, South Korea and Thailand, Vietnam, Burma, Sri Lanka, etc.

    Welcome to contact us, we will supply the best quality goods and the best price for any client.

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