SAPP NEW

$1100.00 27ton

$1150.00 10ton

$1200.00 1ton

Min. Order1ton
Purity99%
Cas No7758-16-9
Supply Ability1000T/M
Update time2025-11-04

Lianyungang Kaiyu Environmental Tech Co., Ltd.

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Chemical Properties

Product Name	SAPP
CAS No	7758-16-9
EC-No	231-835-0
Min. Order	1ton
Purity	99%
Supply Ability	1000T/M
Release date	2025/11/04

Sodium Acid Pyrophosphate (SAPP)

CAS No.: 7758-16-9
Molecular Formula: Na₂H₂P₂O₇
Molecular Weight: 221.94 g/mol
EINECS No.: 231-835-0

Product Description

Sodium Acid Pyrophosphate (SAPP) is a white, crystalline powder used primarily as a leavening agent in the food industry and as a dispersant, sequestrant, or surface treatment chemical in various industrial applications. It offers controlled reaction rates when used in baking formulations and excellent chelating properties in non-food sectors.

Grades Available

Food Grade (FCC/E450(i))
Industrial Grade

Typical Specifications

Parameter	Food Grade	Industrial Grade
Appearance	White crystalline powder	White crystalline powder
Purity (as Na₂H₂P₂O₇), %	≥ 95.0	≥ 93.0
pH (1% solution at 25°C)	3.5 – 4.5	3.0 – 4.5
Loss on Ignition, %	≤ 0.5	≤ 1.0
Insoluble Matter, %	≤ 0.2	≤ 0.5
Heavy Metals (as Pb), ppm	≤ 10	≤ 20
Arsenic (As), ppm	≤ 3	—
Fluoride (F), ppm	≤ 50	≤ 100
Lead (Pb), ppm	≤ 2	≤ 10
Mesh Size	100% pass 100 mesh	100% pass 100 mesh

Functional Properties

Application	Functionality
Baking Powder & Dough	Acts as a slow-reacting leavening agent; provides controlled CO₂ release
Processed Meats	Stabilizes color and improves water retention
Potato Products	Prevents after-cooking darkening
Detergents & Cleaners	Chelates metal ions, softens water
Oil Drilling	Dispersant and deflocculant for drilling muds
Surface Treatment	Metal treatment, rust inhibition

Regulatory Information (Food Grade)

Codex Alimentarius: Listed (INS 450(i))
FCC Compliant: Yes
EU (E Number): E450(i)
Halal / Kosher: Available upon request

Packaging

25 kg multi-ply kraft paper bags with PE liner
Jumbo bags (500 kg – 1000 kg) for industrial applications
Custom packaging available upon request

Storage & Shelf Life

Store in a cool, dry, and well-ventilated area.
Avoid direct exposure to moisture and sunlight.
Shelf Life: 24 months from production date in original unopened packaging.

Safety & Handling

Avoid inhalation and contact with eyes or skin.
Use personal protective equipment (PPE) during handling.
Refer to the Material Safety Data Sheet (MSDS) for detailed safety information.

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