0086-19851820586 mengling@khonorchem.com
Phosphate

JIANGSU KHONOR CHEMI -CALS CO.. LIMITED

Sodium Acid Pyrophosphate(SAPP)——High-Quality Leavening Agent & Food Additive

Type :FOOD

E No :E 450(i)

CAS N:7758-16-9

Qty in 20' FCL:20MTs

Packaging :25kg bags

Product Details

🔍 Product Description

Sodium Acid Pyrophosphate (SAPP) is a multifunctional inorganic phosphate widely used as a leavening agent, buffer, stabilizer, and sequestrant.
It is best known for its controlled reaction rates in bakery applications, making it one of the most important ingredients in the food processing industry.
SAPP also serves as an effective agent in water treatment, metal surface processing, and oilfield chemicals.


⚗️ Chemical & Physical Properties

  • 🧪 Molecular Weight: 221.94 g/mol

  • Appearance: White, free-flowing powder

  • 💧 Solubility: Soluble in water

  • 📊 pH (1% solution): 3.5 – 5.0

  • 🌡 Loss on Drying: ≤ 1.0%

  • 🧷 Density: 0.85 – 0.95 g/cm³

  • 🔍 Stability: Stable; hydrolyzes slowly in aqueous systems

  • 🎯 Grade Options: SAPP 14, SAPP 28, SAPP 40 (different reaction rates)


📏 Specifications (Typical Values)

ItemStandard
Assay (as Na₂H₂P₂O₇)≥ 95.0%
P₂O₅ Content62.5–64.5%
pH (1% Solution)3.5–5.0
Water Insoluble≤ 0.20%
Loss on Ignition28.0–31.0%
Fluoride (as F)≤ 10 mg/kg
Arsenic (As)≤ 1 mg/kg
Heavy Metals (Pb)≤ 10 mg/kg
Whiteness≥ 90%

Food grade and technical grade options available.

🧭 Applications

🍞 Food Industry (Main Use)

  • 🍩 Leavening agent in bakery mixes

  • 🎂 CO₂ release control for donuts, cakes, pancakes, muffins

  • 🥔 Anti-blackening agent for potato products

  • 🐟 Color retention in canned seafood

  • 🍗 Stabilizer for meat & poultry processing

💧 Water Treatment

  • 💦 Softening agent

  • 🧲 Chelates Ca²⁺ / Mg²⁺

  • ⚙️ Scale control in water systems

🏭 Industrial Uses

  • 🧽 Metal cleaning & surface treatment

  • 🛢 Oilfield drilling fluid additive

  • 🧱 Ceramic dispersant

  • 🔌 Electroplating auxiliary chemicals

🐓 Feed Applications

  • 📉 pH regulator

  • 🧂 Phosphorus source


🌟 Advantages

  • Stable leavening reaction rates (SAPP 14 / 28 / 40)

  • 🎯 High purity, low heavy metals

  • 💧 Excellent buffering ability

  • 🛡 Color protection for potatoes & seafood

  • 🧫 Compatible with most baking powders

  • 📦 Good flowability for blending & mixing


📦 Packaging & Storage

📦 Packaging

  • 📘 25 kg kraft paper bags with PE liner

  • 👜 50 lb standard bags (North America)

  • 🧱 Jumbo bags available on request

🏠 Storage

  • 🌤 Store in cool, dry, ventilated place

  • 🔒 Keep sealed to prevent moisture absorption

  • ⛔ Avoid acids & strong oxidizers

  • 🕒 Shelf life: 24 months


📘 Regulatory Status

  • 🥇 FCC Compliant

  • 🇪🇺 EU Regulation (EC) 231/2012

  • 🌍 Codex Alimentarius

  • 🇨🇳 GB 1886.333

  • 🧾 E Number: E450(i)

  • 🔧 REACH Registered (Industrial Grade)

  • 🚚 Non-hazardous for transport (non-DG)


Why Choose Jiangsu Khonor Chemicals Co., Limited?

  • ①Over 10 years of experience in chemical and food ingredient exports

  • ②Stable supply capacity and competitive pricing

  • ③Support for diverse molecular weights and performance requirements

  • ④Samples available for quality testing

  • ⑤Professional documentation: COA, MSDS, TDS, and export compliance

  • ⑥Strong focus on global B2B markets

  • ⑦Fast delivery and flexible logistics solutions


Ordering Information

For quotations, specifications, samples, or technical support, please contact:

Jiangsu Khonor Chemicals Co., Limited

Professional Chemical Supplier & Global Exporter

📧 Email: mengling@khonorchem.com

📞 Tel/WhatsApp/WeChat: +86-19851820586

🌏 WhatsApp:https://wa.me/8619851820586

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