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Description
Benzopurpurine 4B is a biological stain and pH indicator for pH 2.3-4.4.
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.
Benzopurpurine 4B is a biological stain and pH indicator for pH 2.3-4.4.
Solubility
Soluble in water (20 mg/ml), acetone, ethanol (3 mg/ml), sodium hydroxide, and sulfuric acid.
Notes
Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

Specifications
Specifications
Color | Red |
Quantity | 25 g |
Merck Index | 14,1011 |
Solubility Information | Soluble in water (20mg/ml),acetone,ethanol (3mg/ml),sodium hydroxide,and sulfuric acid. |
Formula Weight | 724.73 |
Physical Form | Powder |
Chemical Name or Material | Benzopurpurin 4B |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Product Code |
---|---|---|---|
Z23H040 | Certificate of Analysis | 17/11/2022 | J64901.14,J64901.22 |
S30I015 | Certificate of Analysis | 12/07/2022 | J64901.14,J64901.22 |
P14I025 | Certificate of Analysis | 12/04/2022 | J64901.14,J64901.22 |
T15F018 | Certificate of Analysis | 08/12/2021 | J64901.14,J64901.22 |
Y12G028 | Certificate of Analysis | 08/12/2021 | J64901.14,J64901.22 |
RUO – Research Use Only
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