Redwood is the manufacturer and supplier of Sodium Acid Pyrophosphate (SAPP). We have been engaged in the production and sales of Sodium Acid Pyrophosphate (SAPP) for 10 years. If you have any questions about Sodium Acid Pyrophosphate (SAPP), please Contact Redwood , we will contact you within 1 working day.
Over 10 years of experience since 2010
QC center for quality control before shipment 
Sales to 1000+ customers from 90 countries until 2022| ITEM | STANDARD |
| Na2H2P2O7 | 95.0% MIN |
| APPEARANCE | WHITE POWDER |
| WATER INSOLUBLE | 1.0% MAX |
| ARSENIC( AS) | 3PPM MAX |
| LOSS ON DRYING | 0.5% MAX |
| CADMIUM (PPM) | 1 MAX |
| LEAD (PPM) | 4 MAX |
| MERCURY (PPM) | 1 MAX |
| HEAVY METAL( PB) | 15PPM MAX |
| FLUORID( PPM) | 10 MAX |
| PH VALUE | 3.5-4.5 |
