RESAZURIN Property

Melting point:

>250°C

Boiling point:

477.2±55.0 °C(Predicted)

Density 

1.57±0.1 g/cm3(Predicted)

solubility 

Solubility Insoluble in water, ether; sparingly soluble in ethanol

pka

6.71(at 25℃)

color 

Dark red crystals with greenish luster

PH Range

Orange (3.8) to purple-violet (6.5)

λmax

598nm, 380nm

Major Application

Display device, inks, detergents, analysis of soil samples, cosmetics, measuring freshness of fruit, assays for suring freshness of fruit, sorbitol, monitoring sugar loss, assessment of microbials, assays for cells, mitrochondria, semen quality, detecting antiviral substances, diagnosis of bacterialand fungal infection, treating pulmonary tuberculosis, oral care formulation

EPA Substance Registry System

Resazurin (550-82-3)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

RESAZURIN Chemical Properties,Usage,Production

Uses

As indicator, using a solution of 0.1 g in 20 ml 0.1N NaOH, and water to make 500 ml. pH: 3.8 orange, 6.5 dark violet. In the detection of hyposulfite (sulfoxylate). In food research (reductase test).

Definition

ChEBI: Resazurin is a phenoxazine.