• 419 results found
    • Naphazoline hydrochloride cas 550-99-2

      Naphazoline hydrochloride cas 550-99-2

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      Brand: crovell
      Categories: Acid Dyes

      Product name: Naphazoline hydrochloride/naphazoline hcl English alias: 1H-Imidazole, 4,5-dihydro-2- (1-naphthalenylmethyl) -, monohydrochloride; ; CAS Number: 550-99-2 Molecular Formula: C14H15ClN2 Molecular Weight: 246.73500 Exact Mass: 246.09200 PSA: 24.39000 LogP: 2.95040 Appearance and Properties: White crystalline powder Density: 1.15 g / cm3 Melting point: 254-260 ° C Boiling point: 440.5oC at 760 mmHg Flash point: 220.2oC Water solubility: 170 g / L (20 oC) Stability: Stable under normal temperatures and pressures. Storage conditions: Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.

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    • Acid Black 1

      Acid Black 1

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      $ 1.00/KG

      Brand:
      Categories: Acid Dyes

      An organic sodium salt resulting from the formal condensation of Amido Black 10B (acid form) with two equivalents of sodium hydroxide.

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    • ACID YELLOW 36

      ACID YELLOW 36

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      Brand: Reward
      Categories: Acid Dyes

      An organic sodium salt having 3-[(4-anilinophenyl)diazenyl]benzene-1-sulfonate as the counterion. Used in one variant of Masson's trichrome to stain collagen yellow in contrast to the red muscle, but is not in common used. Metanil yellow is a yellow monoazoic dye. This color ing agent is used in leather and wood stains, and is also employed as a food dye in India.

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    • Acid Blue 80

      Acid Blue 80

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      Brand: Reward
      Categories: Acid Dyes

      EC NO: INCHI:InChI=1/C32H30N2O8S2.2Na/c1-15-13-17(3)31(43(37,38)39)19(5)27(15)33-23-11-12-24(26-25(23)29(35)21-9-7-8-10-22(21)30(26)36)34-28-16(2)14-18(4)32(20(28)6)44(40,41)42;;/h7-14,33-34H,1-6H3,(H,37,38,39)(H,40,41,42);;/q;2*+1/p-2 MF:C32H28N2Na2O8S2 MW:678.68 Synonyms: C.I. 61585;C.I. Acid Blue 80;Acid Blue 80;acid blue 80 (C.I. 61585);Acid Blue 80 (C.I.);sodium 3,3-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

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    • Acid yellow 42

      Acid yellow 42

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      Brand: Reward
      Categories: Acid Dyes

      Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark.

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    • Acid Green 25

      Acid Green 25

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      $ 1.00/KG

      Brand: Reward
      Categories: Acid Dyes

      EC NO:224-546-6 MF:C28H20N2Na2O8S2 Synonyms:C.I. 61570;C.I. 61 570;C.I. 61 570 [Czech];C.I. Acid Green 25;C.I. Acid Green 25 disodium salt;Alizarin Cyanine Green F;Alizarin Cyanin Green G;Alizarin Cyanone Green B Extra;Acid Green 25;acid green 25 (C.I. 61570);Acid Green 25 (C.I.);disodium 2,2-(9,10-dioxoanthracene-1,4-diyldiimino)bis(5-methylsulphonate);disodium 2,2-(anthraquinone-1,4-diimino)bis(5-methylsulphonate);Alizarin cyanin green F

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    • acid yellow 17

      acid yellow 17

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      Categories: Acid Dyes

      An organic sodium salt that is the disodium salt of 2,5-dichloro-4-{5-hydroxy-3-methyl-4-[(4-sulfophenyl)diazenyl]pyrazol-1-yl}benzene-1-sulfonic acid. It is used as the erythrocyte stain in Garvey's method for elastic, fibrin and collagen as well as a sub titute for martius yellow in Lendrum's MSB.

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    • Acid Green 20

      Acid Green 20

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      $ 1.00/KG

      Brand: Reward
      Categories: Acid Dyes

      EC NO:227-452-3INCHI:InChI=1/C22H18N6O7S2.2Na/c23-13-6-8-15(9-7-13)26-27-20-16(36(30,31)32)10-12-11-17(37(33,34)35)21(22(29)18(12)19(20)24)28-25-14-4-2-1-3-5-14;;/h1-11,29H,23-24H2,(H,30,31,32)(H,33,34,35);;/q;2*+1/p-2/b27-26+,28-25+;;MF:C22H16N6Na2O7S2MW:586.50Synonyms: 2,7-Naphthalenedisulfonic acid, 4-amino-3-(2-(4-aminophenyl)diazenyl)-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2);2,7-Naphthalenedisulfonic acid, 4-amino-3-((p-aminophenyl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt;2,7-Naphthalenedisulfonic acid, 4-amino-3-((4-aminophenyl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt;Disodium 4-amino-3-((4-aminophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

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    • ACID YELLOW 25

      ACID YELLOW 25

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      $ 1.00/KG

      Brand:
      Categories: Acid Dyes

      Yellow powder. Soluble in water yellow, encounter cold becomes muddy. Slightly soluble in ethanol and acetone. Meet strong sulfuric acid is yellow, the generation after diluted fluorescent yellow precipitation. Its water solution meet sodium hydroxide solution without change. Mainly used for wool and polyamide fiber of printing and dyeing,

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    • C.I.Acid Yellow 151

      C.I.Acid Yellow 151

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      $ 1.00/KG

      Brand:
      Categories: Acid Dyes

      snuff color powder

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