"SIGMA ALDRICH MICROSCOPY"

844 Resultater

Sorter efter

3,4,5,6-Tetrabromophenolsulphonephthalein 95% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

3,4,5,6-Tetrabromophenolsulfonephthalein, Dye content 95 %

Expand 1 Items

1,3-Diphenylacetone-p-toluenesulphonylhydrazone ≥98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

1,3-Diphenylacetone-p-toluenesulphonylhydrazone ≥98%, Sigma-Aldrich®

Expand 1 Items

N-Benzylidenebenzylamine, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Indicator for organolithium assay.

Expand 1 Items

Solvent Blue 59 98% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Solvent Blue 59, Dye content 98 % (1,4-Bis(ethylamino)-9,10-anthraquinone; Atlasol Blue 2N; Sudan Blue)

Expand 1 Items

Purpurin (1,2,4-Trihydroxy-9,10-anthraquinon) 90% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of Indian madder (Rubia cordifolia). This pigment produces colors, with distinctive heat and light resistant properties.

Expand 1 Items

4-(Phenylazo)diphenylamine ≥97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4-(Phenylazo)diphenylamine ≥97%, Sigma-Aldrich®

Expand 2 Items

Primuline sodium salt 50% (dye content) C.I 49000

Supplier: SIGMA ALDRICH MICROSCOPY

Primuline, also known as direct yellow 59 or primuline yellow, is considered to be a more sensitive and non-destructive dye for lipids.

Expand 2 Items

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene 99% for scintillation, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

suitable for scintillation

Expand 1 Items

N-(Diphenylmethylene)glycine ethyl ester 98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Schiff base which can be converted to amino alcohols and amino esters.

Expand 2 Items

Nile blue chloride (Basic blue 12) 85% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Nile blue chloride has been used to stain non-aqueous phase in fluorescence microscopy studies.

Expand 2 Items

Murexid, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Murexide is the ammonium salt of purpuric acid that appears as a slightly reddish-purple powder and is soluble in water. It is mainly used as an indicator for complexometric titrations to measure water hardness and as a colorant/pigment in the dye industry.

Expand 1 Items

6-Chlor-m-toluidin 99%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

6-Chlor-m-toluidin 99%, Sigma-Aldrich®

Expand 2 Items

meso-Tetraphenylporphine 97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

5,10,15,20-Tetraphenyl-21H, 23H-porphine is a porphyrin compound.

Expand 3 Items

Acid Yellow 25 40% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Acid Yellow 25, Dye content 40 %

Expand 1 Items

Xylene fast yellow 2G 60% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Acid yellow-17 (C.I. 18965), also known as Disodium 2, 5-dichloro-4-(5-hydroxy-3-methyl-4-(sulphophenylazo)pyrazol-1-yl) benzenesulphonate, and Yellow 2G is an anionic, reactive textile dye. This synthetic azo dye possesses a stable aromatic structure with SO₃H and OH groups. The applications of Acid yellow-17 are seen in detergent, soap, textile, printing, and cosmetic industries.