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Mercury Orange

CAS 3076-91-3C16H11ClHgN2OCell Biology

Mercury Orange (CAS: 3076-91-3), also known as 1-(4-Chloromercuriophenylazo)-2-naphthol, is an organic compound with a molecular weight of 483.31 g/mol. This chemical is primarily utilised as a stain and dye in various laboratory applications, particularly within cell biology, hematology, and histology. Its specific chromophoric properties make it valuable for differential staining techniques in scientific research and diagnostics. Tech Serve Solutions supplies this reagent for laboratory and research purposes.

IUPAC
1-(4-Chloromercuriophenylazo)-2-naphthol
Synonyms
1-(4-Chloromercuriophenylazo)-2-naphthol
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Mercury Orange (C16H11ClHgN2O) — chemical structure, CAS 3076-91-3; Life Science, fine chemical supplied by Tech Serve Solutions
Cell BiologyHematology and HistologyStains & DyesA to ZStains and Dyes
01 /Applications

Histological Staining

Mercury Orange is employed as a differential stain in histology to visualise cellular structures. It aids in distinguishing between different tissue components, enhancing microscopic examination.

Cell Biology Research

In cell biology, this compound serves as a vital reagent for staining cells and tissues. It enables researchers to observe morphological details and cellular processes under microscopy.

Hematology Applications

Mercury Orange is utilised in hematology for the staining of blood cells and related tissues. Its application helps in the identification and characterisation of various blood components.

02 /Properties
Molecular weight483.31
Empirical formulaC16H11ClHgN2O
03 /Safety & handling
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
GHS hazard pictogram: Environmental hazard (GHS09)
Environmental hazard
Danger

Hazard statements

  • H300Fatal if swallowed
  • H310Fatal in contact with skin
  • H330Fatal if inhaled
  • H373May cause damage to organs through prolonged exposure
  • H410Very toxic to aquatic life with long-lasting effects

Precautionary statements

  • P260Do not breathe dust, fume, gas, mist, vapours or spray
  • P264Wash thoroughly after handling
  • P273Avoid release to the environment
  • P280Wear protective gloves, clothing and eye/face protection
  • P284Wear respiratory protection
  • P301IF SWALLOWED
Protective equipmentEyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)UN 2025 6.1 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)T+,N
Risk statements (R)26/27/28-33-50/53
Safety statements (S)13-28-36-45-60-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
3076-91-3
MDL number
MFCD00042695
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Mercury Orange used for?

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Mercury Orange is primarily used as a stain and dye in cell biology, hematology, and histology for visualising cellular and tissue structures under microscopy.

What is the CAS number and formula for Mercury Orange?

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The CAS number for Mercury Orange is 3076-91-3, and its empirical formula (Hill notation) is C16H11ClHgN2O.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Mercury Orange as a reagent for laboratory and research use. The specific assay and purity are available upon request, and TSS does not represent this product as USP, BP, or EP grade.

How should Mercury Orange be handled safely?

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Mercury Orange is a highly toxic substance (H300, H310, H330) and harmful to aquatic life with long-lasting effects (H410). Handle with extreme caution using appropriate personal protective equipment, including eyeshields, full-face particle respirators (type N100 US), gloves, and appropriate cartridge filters. Ensure adequate ventilation and avoid release into the environment.

How is Mercury Orange packed, shipped, and exported?

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Mercury Orange is packed, shipped, and exported in compliance with all relevant regulations for hazardous materials, including UN 2025, hazard class 6.1, and Packing Group II.

How can I request a sample or quote for Mercury Orange?

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To request a sample or quote for Mercury Orange, please contact our sales team through the website or by phone, providing your contact details and desired quantity.

Need Mercury Orange in a specific grade or volume?