Certificate of Analysis
Product Name
METHYL PURPLE pH indicator (purple green)
CAS Number
1340-02-9
Molecular Formula
C67H62N8Na4O14S3
Catalogue No.
AL01028
Molecular Weight
1391.41 g/mol
Batch Number
AL-2026-AL01028
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | Dark Purple Powder | Purple Powder |
| pH range | 4.8 - 5.4, violet to green | 5 |
| Density | 1.001 g/mL at 25 °C | 1.001 g/mL at 25 °C |
| UV absorption | max 409 nm | max 409 nm |
| max 618 nm (2nd) | max 618 nm (2nd) |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
