Sodium pyrophosphate, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11488177	Thermo Scientific Alfa Aesar A17546.30	250 g
11478177	Thermo Scientific Alfa Aesar A17546.0B	1000 g

Description

Sodium pyrophosphate is used in water softener, detergent, emulsifying agent, metal cleaner and nutritional supplement. It acts as a buffering agent, thickening agent and dispersing agent. It also acts as a tartar control agent in toothpaste and dental floss. In addition, it is used as a chelating agent in antimicrobial studies. It is also used as a food additive in common foods such as chicken nuggets, crab meat and canned tuna.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Sodium pyrophosphate is used in water softener, detergent, emulsifying agent, metal cleaner and nutritional supplement. It acts as a buffering agent, thickening agent and dispersing agent. It also acts as a tartar control agent in toothpaste and dental floss. In addition, it is used as a chelating agent in antimicrobial studies. It is also used as a food additive in common foods such as chicken nuggets, crab meat and canned tuna.

Solubility
Soluble in water. Insoluble in ethyl alcohol.

Notes
Hygroscopic. Incompatible withstrong oxidizing agents and strong acids.

Chemical Identifiers

• CAS: 7722-88-5
• Molecular Weight (g/mol): 265.90
• InChI Key: FQENQNTWSFEDLI-UHFFFAOYSA-J
• PubChem CID: 24403
• IUPAC Name: tetrasodium;phosphonato phosphate

• Molecular Formula: Na4O7P2
• MDL Number: MFCD00003513
• Synonym: tetrasodium pyrophosphate, sodium pyrophosphate, tspp, phosphotex, tetrasodium diphosphate, diphosphoric acid, tetrasodium salt, sodium diphosphate, victor tspp, natrium pyrophosphat, caswell no. 847
• ChEBI: CHEBI:71240
• SMILES: [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O

Specifications

• Melting Point: 988°C
• Molecular Formula: Na4O7P2
• MDL Number: MFCD00003513
• Synonym: tetrasodium pyrophosphate, sodium pyrophosphate, tspp, phosphotex, tetrasodium diphosphate, diphosphoric acid, tetrasodium salt, sodium diphosphate, victor tspp, natrium pyrophosphat, caswell no. 847
• InChI Key: FQENQNTWSFEDLI-UHFFFAOYSA-J
• IUPAC Name: tetrasodium;phosphonato phosphate
• PubChem CID: 24403
• Formula Weight: 265.9
• Sensitivity: Hygroscopic
• Chemical Name or Material: Sodium pyrophosphate

• CAS: 7722-88-5
• Linear Formula: Na₄P₂O₇
• Merck Index: 14,9240
• Solubility Information: Soluble in water. Insoluble in ethyl alcohol.
• SMILES: [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O
• Molecular Weight (g/mol): 265.90
• ChEBI: CHEBI:71240
• Percent Purity: 98%
• Density: 2.534

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

H315-H319-H335

missing translation for 'einecsNumber' : 231-767-1

missing translation for 'rtecsNumber' : UX7350000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

Product Identifier

• Sodium pyrophosphate

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.
• P332+P313-If skin irritation occurs: Get medical advice/attention.
• P337+P313-If eye irritation persists: Get medical advice/attention.

Supplemental information

• MIXTURE LIST-Contains : Sodium pyrophosphate

RUO – Research Use Only