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Sodium phosphate, tribasic dodecahydrate

CAS 10101-89-0 Na3PO4 · 12H2O MW 380.12 In stock

Sodium phosphate, tribasic dodecahydrate is a water-soluble inorganic compound used as a buffering agent, detergent builder, and food additive. It is commonly employed in laboratory applications, water treatment, and industrial formulations. Available in powder or crystalline form, it has a molecular weight of 380.12 g/mol, a CAS number of 10101-89-0, and should be stored at ambient temperatures. The signal word is Warning. Molekula supplies Sodium phosphate, tribasic dodecahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Sodium phosphate, tribasic dodecahydrate is a water-soluble inorganic compound used as a buffering agent, detergent builder, and food additive. It is commonly employed in laboratory applications, water treatment, and industrial formulations. Available in powder or crystalline form, it has a molecular weight of 380.12 g/mol, a CAS number of 10101-89-0, and should be stored at ambient temperatures. The signal word is Warning. Molekula supplies Sodium phosphate, tribasic dodecahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

  • 1 kg

    £78.00 · per pack

  • 100 g

    £30.00 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance White or off-white powder
Loss on Drying 45.0% to 57.0%
Assay ≥97.0%
Water insoluble ≤0.2%
Arsenic (As) ≤0.0003%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Base

Identification

Property Value
CAS Number 10101-89-0
Molecular Formula Na3PO4 · 12H2O
Molecular Weight 380.12
SMILES O.O.O.O.O.O.O.O.O.O.O.O.[O-]P(=O)([O-])[O-].[Na+].[Na+].[Na+]
REACH Code Y113
HTS Code 28352930
Tariff Code 2835293000

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

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

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention
  • P310 Immediately call a POISON CENTER or doctor/physician

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is sodium phosphate, tribasic dodecahydrate used for?

It is commonly used as a buffering agent in biochemical applications and in the formulation of detergents and cleaning agents.

What is the chemical formula and molecular weight?

The formula is Na3PO4 · 12H2O with a molecular weight of 380.12 g/mol.

How should sodium phosphate, tribasic dodecahydrate be stored?

It should be stored at ambient temperature, protected from moisture and heat.

What grade is available for this product?

This product is available in reagent grade, suitable for laboratory and industrial use.

Can Molekula supply this in bulk?

Yes, Molekula can supply sodium phosphate, tribasic dodecahydrate in bulk quantities upon request.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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