Sodium phosphate dibasic dodecahydrate CAS 10039‑32‑4
Disodium Hydrogen Phosphate Dodecahydrate CAS 10039‑32‑4 is inorganic phosphate salt, white transparent crystal. It is easy to effloresce in dry air, loses crystal water gradually. It dissolves freely in water, aqueous solution shows weak alkaline. Widely used in food industry, water treatment, textile printing‑dyeing, detergent, analytical buffer preparation.
Product Features
✅ Good water‑solubility, weak alkaline aqueous solution
✅ Excellent buffering performance for pH adjustment
✅ Food‑grade available, comply with food additive standard
✅ Used as water softener for boiler water system
✅ Stable quality, uniform crystal particle
✅ Easy handling and transportation
| Item | Specifications |
| Appearance | White transparent crystal or granular crystal |
| Purity | ≥98.0% |
| pH(1% Solution) | 8.8‑9.2 |
| Grade | Industrial Grade / Food Grade / Reagent Grade |
| Solubility | Soluble in water, insoluble in ethanol |
| Storage | Sealed, cool dry warehouse, prevent efflorescence |
1. Food Industry: Food additive, buffer agent, emulsifier, nutritional supplement for dairy products, baked food, beverage, seasoning processing.
2. Water Treatment & Boiler Industry: High‑efficiency water softener, scale inhibitor for boiler circulating water system, reduce water hardness.
3. Textile Printing & Dyeing: Used as mordant, hydrogen peroxide bleaching stabilizer in textile dyeing and finishing process; improve dyeing effect.
4. Chemical & Laboratory: PH buffer raw material for lab reagent; raw material for producing other phosphate salts.
5. Detergent & Cleaning: Auxiliary builder for detergent and cleaning formulations.
6. Other fields: Paper‑making, flame retardant auxiliary for wood and fabric, enamel and welding auxiliary raw material.
• Standard Packing: 25 kg/bag; 25 kg/drum
• MOQ: to be confirmed by grade and destination
• Lead Time: to be confirmed by order quantity and production schedule
• Shipping: sea / air / express options available
• Store in a cool, dry, and well-ventilated place.
• Keep container tightly closed and protected from moisture.
• Avoid direct sunlight, heat, and open flame.
• Follow SDS guidance for incompatible materials.
Q1: What is Disodium Hydrogen Phosphate Dodecahydrate CAS 10039‑32‑4 for?
A: It is inorganic phosphate salt. Mainly used for food additive, boiler water softener, textile mordant, lab pH buffer, detergent auxiliary raw material.
Q2: What grade can you supply?
A: Industrial grade, Food grade and Reagent grade are available. Please specify your required grade when inquiry.
Q3: Is this product easy to effloresce?
A: Yes. It will lose crystal water in dry air. Must keep package tightly sealed during storage and transportation.
Q4: Solubility property?
A: Soluble in water, insoluble in ethanol. 1% water solution pH value 8.8‑9.2.
Q5: Can you provide sample?
A: Yes, 1kg trial sample is available for test.
Q6: What documents can you offer?
A: COA, MSDS, food‑grade related certificate can be provided.
Q7: MOQ & Package?
A: MOQ 25kg. Standard packing: 25kg woven bag.
Q8: Delivery time?
A: Stock goods deliver within 3‑7 working days; bulk order 7‑15 working days.
