Molekula

di-Sodium hydrogen phosphate dihydrate

SKU 10104750 CAS 10028-24-7 HNa2O4P · 2H2O MW 177.99 In stock

Di-sodium hydrogen phosphate dihydrate is a water-soluble inorganic salt used as a buffer, pH adjuster, and stabilizer in pharmaceuticals, food, and industrial applications. It appears as a white crystalline powder. CAS: 10028-24-7, molecular formula: HNa2O4P · 2H2O, molecular weight: 177.99 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies di-Sodium hydrogen phosphate dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

£ GBP € EUR $ USD

1 kg — €86.40 per pack

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

Specifications

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Property	Value
Appearance	White crystalline
Heavy metals	≤0.001%
Identification	Conforms to reference
Loss on Drying	18.0% - 22.0%
Fluoride (F)	≤0.005%
Assay	≥98.0%
Water insoluble matter	≤0.2%
Lead (Pb)	≤0.0002%
Arsenic (As)	≤0.0003%

Storage & handling

Property	Value
Storage Temperature	Ambient
Shelf Life	24 months
Acidity	Neutral

Identification

Property	Value
SKU	10104750
CAS Number	10028-24-7
Molecular Formula	HNa2O4P · 2H2O
Molecular Weight	177.99
SMILES	O.O.OP(=O)([O-])[O-].[Na+].[Na+]
REACH Code	Y110
HTS Code	28352200
Tariff Code	2835220000

Safety & GHS

Warning

Health Hazard GHS07

Hazard statements

H319 Causes serious eye irritation

Precautionary statements

P264 Wash thoroughly after handling
P280 Wear protective gloves/protective clothing/eye protection/face protection
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P337+313 If eye irritation persists get medical advice/attention

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

Safety Data Sheets (SDS)

Available in FR, RU, ES, DE, IT, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is di-Sodium hydrogen phosphate dihydrate used for?

It is commonly used as a buffering agent in biochemical applications and as a stabilizer in food and pharmaceutical formulations.

What is the chemical formula and molecular weight?

The formula is HNa2O4P · 2H2O with a molecular weight of 177.99 g/mol.

How should it be stored?

Store at ambient temperature, protected from moisture and heat.

What grade is available?

Available in laboratory grade; specific grades may vary based on order volume.

Can Molekula supply it in bulk?

Yes, Molekula can supply di-Sodium hydrogen phosphate dihydrate in bulk quantities—please contact sales for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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