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- New Arrivals, Powders & Dyes
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R8,319.00 Ex VAT
- Methyl Green (Solid) ��� Product identifier �� Classification of the substance or mixture This chemical is considered hazardous. �� Label elements �� GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS). �� Hazard pictograms �� Signal word Warning �� Hazard statements Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. ��…
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- Powders & Dyes
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R5,495.00 Ex VAT
- Bromocresol Purple is a dye of the triphenylmethane family (triarylmethane dyes) and serves a pH indicator and many other testing procedures.
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- Powders & Dyes
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R4,946.00 Ex VAT
- Bromocresol Purple is a dye of the triphenylmethane family (triarylmethane dyes) and serves a pH indicator and many other testing procedures.
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- Powders & Dyes
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R3,449.00 Ex VAT
- Bromothymol Blue is a pH indicator dye that changes color according to the acidity or alkalinity of a solution.
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- Powders & Dyes
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R3,104.00 Ex VAT
- Bromothymol Blue is a pH indicator dye that changes color according to the acidity or alkalinity of a solution.
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- New Arrivals, Powders & Dyes
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R2,818.00 Ex VAT
- Orange G ��� Product identifier 1 Identification 2 Orange G ��� Hazard(s) identification �� Classification of the substance or mixture Sensitization ��� Skin 1 H317 May cause an allergic skin reaction. Specific Target Organ Toxicity ��� Single Exposure 3 H335 ��� May cause respiratory irritation. H336 ��� May cause drowsiness or dizziness. �� Label elements �� GHS label elements The…
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- Powders & Dyes
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R1,995.00 Ex VAT
- Eosin Yellow is a vivid red or pink fluorescent dye widely used in biological staining.
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- Powders & Dyes
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R459.00 Ex VAT
- Congo red (C.I. 22120) for microscopy 0322 It is not required to list the identified uses because the substance is not subject to registration according to REACH (< 1 t/a). Disodium-3,3���[[1,1-biphenyl]-4,4���- diyl(bis(azo)]bis(4-aminonaphthalin-1-sulfonate), Direct Red 28 1.2 Relevant identified uses of the substance or mixture and uses advised against Relevant identified uses: Laboratory chemical Laboratory and analytical use Uses advised against:…
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R451.00 Ex VAT
- Molar mass: 540,22 g/mol Solubility in water: < 0.1 % Formula: C21H16Br2O5S Melting point: 241 to 242 ��C (decomposition) Dye content 90 % Bromocresol Purple is a dye of the triphenylmethane family (triarylmethane dyes) and serves a pH indicator and many other testing procedures. Bromocresol Purple serves a pivotal role in measuring albumin concentrations, particularly in medical testing procedures. Its…
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- Powders & Dyes
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R310.00 Ex VAT
- Chemical Formula: C14H14ClN3S CAS No. 51811-82-6 Molecular Weight: 291.8 g/mol Giemsa Stain Powder is a dry mixture of dyes used to prepare Giemsa stain, which is frequently utilized in microscopy for visualizing blood cells and parasites such as Plasmodium (the causative agent of malaria). It colours nuclei blue to purple and imparts a pale pink hue to the cytoplasm, facilitating…
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- New Arrivals, Powders & Dyes
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R286.00 Ex VAT
- Bromophenol Blue ��� Product identifier Trade name: Bromophenol Blue 1 Identification 2 Hazard(s) identification �� Classification of the substance or mixture The substance is not classified, according to the Globally Harmonized System (GHS). �� Label elements �� GHS label elements Not Applicable �� Hazard pictograms Not Applicable �� Signal word Not Applicable �� Hazard statements Not Applicable �� Precautionary statements…
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R249.00 Ex VAT
- Formula: C27H28Br2O5S Density: 1,25 g/cm�� Molar mass: 624,38 g/mol Solubility in water: Sparingly soluble in water Melting point: 202 ��C (396 ��F; 475 K) Bromothymol Blue is a pH indicator dye that changes color according to the acidity or alkalinity of a solution. It turns yellow in acidic environments (pH < 6.0), becomes green at neutral pH levels (approximately 7.0),…
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R222.00 Ex VAT
- Formula: C16H18ClN3S Molar mass: 319,85 g/mol Density: 1.0 g/mL at 20 ��C Methylene Blue (Zinc Free) is a laboratory-grade dye that serves as both a biological stain and a redox indicator. Its zinc-free formulation ensures greater purity, making it suitable for sensitive applications such as staining cells and tissues in microbiology and histology, as well as for use in redox…
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R169.00 Ex VAT
- Formula: C20H12N3O7SNa Molar mass: 461,381 g/mol Appearance: dark red/brown powder Acidity (pKa): 6.2, 11.55 UN number: 2923 Eriochrome Black T is a complexometric indicator commonly employed in tests for water hardness, particularly during EDTA titrations. It transitions from wine-red to blue as it binds and subsequently releases metal ions such as calcium and magnesium, facilitating the determination of their concentration…
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R127.00 Ex VAT
- Appearance: White powder Density: 1,3 g/cm�� Solubility in other solvents: Insoluble in benzene and hexane; very soluble in ethanol & ether; slightly soluble in DMSO Solubility in water: 400 mg/l Molar mass: 318,31 g/mol Melting point: 260 ��C Phenolphthalein is a commonly used pH indicator in acid-base titrations. It remains colorless in acidic solutions and changes to pink in basic…
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- Powders & Dyes
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R126.00 Ex VAT
- Molar mass: 647.89 g/mol Formula: C20H6Br4Na2O5 Density: 1.018 g��cm���3 Boiling point: 682,3 ��C Melting point: 295,5 ��C Eosin Yellow is a vivid red or pink fluorescent dye widely used in biological staining. It binds to cytoplasmic elements and extracellular matrix proteins, making it effective for highlighting cellular structures in tissue samples. It is particularly useful when paired with hematoxylin in…
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- Powders & Dyes
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R92.00 Ex VAT
- Formula: C15H15N3O2 Molar mass: 269,3 g/mol Solubility: soluble in ethanol Density: 791 kg/m�� Melting point: 179���182 ��C Methyl Red is a pH indicator dye that shifts color according to acidity levels. It appears red in acidic solutions (pH below 4.4) and yellow in basic solutions (pH above 6.2), featuring an orange transition in between. This dye is widely used in…
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