Thermo Scientific Chemicals Giemsa Stain

Description

Giemsa Stain is used as a laboratory reagent and stain for microscopy. It is also used for the histopathologic detection of malaria and other parasites such as spirochete and protozoan. The stain is also been incorporated in differential staining between bacterial and human cells. The compound has been used in combination with May-Grunwald or Wright Stain (sc-203763) as a histological hematology stain.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Giemsa Stain is used as a laboratory reagent and stain for microscopy. It is also used for the histopathologic detection of malaria and other parasites such as spirochete and protozoan. The stain is also been incorporated in differential staining between bacterial and human cells. The compound has been used in combination with May-Grunwald or Wright Stain (sc-203763) as a histological hematology stain.

Solubility
Insoluble in water (<0.1%), methanol (5.8 mg/L), and ethanol.

Notes
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 51811-82-6
• Molecular Formula: C14H14ClN3S
• Molecular Weight (g/mol): 291.80
• MDL Number: MFCD00012112,MFCD00081642
• InChI Key: NALREUIWICQLPS-UHFFFAOYSA-N
• Synonym: azure a, dimethylthionine, giemsa stain, azur a, n,n-dimethylthionine, 3-amino-7-dimethylamino phenothiazin-5-ium chloride, methylene azure a, giemsa solution, 3-amino-7-dimethylaminophenazathionium chloride, unii-m731v243ef
• PubChem CID: 13735
• IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride
• SMILES: [Cl-].C[N+](C)=C1C=CC2=NC3=CC=C(N)C=C3SC2=C1

• Melting Point: ∼300°C
• Quantity: 10 g
• Solubility Information: Insoluble in water (<0.1%),methanol (5.8mg/L),and ethanol.
• Chemical Name or Material: Giemsa Stain

Safety and Handling

Product Identifier

• Giemsa Stain

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2

Hazard Statement

• H319-Causes serious eye irritation.

Precautionary Statement

• P264-Wash face, hands and anyexposed skin thoroughly after handling.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P337+P313-If eye irritation persists: Get medical advice/attention.
• P403-Store in a well-ventilated place.
• P501b-Dispose of contents/container in accordance with local/regional/national/international regulations.

Supplemental information

• MIXTURE LIST-Contains : Giemsa's stain

RUO – Research Use Only