Azure I, Thermo Scientific Chemicals

Description

Azure B is used for staining semi-thin sections of plant tissue. This dye is also useful in the NCCLS method for blood smears and Lillie's modified Nocht's method for paraffin sections.

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
Azure B is used for staining semi-thin sections of plant tissue. This dye is also useful in the NCCLS method for blood smears and Lillie′s modified Nocht′s method for paraffin sections.

Solubility
Soluble in 1 mg/ml water. Sparingly soluble in alcohol.

Notes
Store in a cool place. Ensure proper ventilation. Keep away from oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 531-55-5
• Molecular Formula: C15H16ClN3S
• Molecular Weight (g/mol): 305.824
• MDL Number: MFCD00011935
• InChI Key: DNDJEIWCTMMZBX-UHFFFAOYSA-N
• Synonym: azure b, azure i, methylene azure b, 3-dimethylamino-7-methylamino phenothiazin-5-ium chloride, trimethylthionine chloride, azur i, methyleneazure, methylene azure van, unii-7c8bel8wqv, modr kresylova bb czech
• PubChem CID: 68275
• IUPAC Name: dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium;chloride
• SMILES: CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]

• Melting Point: ∼205°C (decomposition)
• Odor: Odorless
• Quantity: 5 g
• Beilstein: 3922630
• Merck Index: 14,6058
• Solubility Information: Soluble in 1mg/ml water. Sparingly soluble in alcohol.
• Formula Weight: 305.83
• Chemical Name or Material: Azure I

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H341 Suspected of causing genetic defects.
Precautionary Statement	GHS P Statement P281-P201-P202-P308+P313-P405-P501a Use personal protective equipment as required. Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. IF exposed or concerned: Get medical advice/attention. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber	208-511-2
RTECSNumber	SO5550000
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only