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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%

ACSAvailable on request

Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5% (CAS 10049-21-5) supplier Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5% chemical structure
CAS number10049-21-5
FormulaH4NaO5P
Molar mass137.99 g/mol
Physical formCrystalline
HS code28353900
Purity≥99.5%
InChIKeyBBMHARZCALWXSL-UHFFFAOYSA-M
IUPAC namesodium;dihydrogen phosphate;hydrate

About Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%

Zemixal supplies Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5% within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (ACS): CAS 10049-21-5, formula H4NaO5P and molar mass 137.99 g/mol. Expect white to colourless crystals.

Common uses in the lab and plant

  • Chromatography
  • Buffer preparation

Storage and safety notes

Physical constants on file: density 2.04 g/cm3 at 20 °C. It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 1 kg, 5 x 1 kg and 25 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Chromatography
  • Buffer preparation

Applications

Research Labs and Universities

Grade guides

ACS Grade

Specifications and identifiers

Specifications of Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%
Product nameSodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%
Catalogue numberZX-013203
CAS number10049-21-5
IUPAC namesodium;dihydrogen phosphate;hydrate
Molecular formulaH4NaO5P
Molar mass137.99 g/mol
Exact mass137.9694
GradeACS
Purity / assay≥99.5%
Physical formCrystalline
AppearanceWhite to colourless crystals
Density2.04 g/cm3 at 20 °C
H-bond donors / acceptors3 / 5
Topological polar surface area81.6 Ų
HS code28353900
InChIKeyBBMHARZCALWXSL-UHFFFAOYSA-M
SMILESO.OP(=O)(O)[O-].[Na+]
PubChem CID516949
SynonymsMonosodium phosphate, Sodium dihydrogen phosphate monohydrate, Sodium phosphate monobasic monohydrate, Monosodium phosphate monohydrate, Sodium phosphate monohydrate, Phosphoric acid, monosodium salt, monohydrate, sodium dihydrogenphosphate monohydrate, sodium dihydrogen phosphate--water (1/1), Sodium dihydrogenorthophosphate monohydrate, Sodium dihydrogen phosphatemonohydrate, Sodium Phosphate Monobasic hydrate, sodium dihydrogen phosphate hydrate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%
1 kgQuoted on request
5 x 1 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%

Which CAS number identifies Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%?
Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5% is registered under CAS 10049-21-5. You may also see it listed as Monosodium phosphate, Sodium dihydrogen phosphate monohydrate, Sodium phosphate monobasic monohydrate. Our catalogue number for this item is ZX-013203.
What are the formula and molar mass of Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%?
For Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%, its formula is H4NaO5P and its molar mass is 137.99 g/mol. InChIKey BBMHARZCALWXSL-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%?
This listing is ACS grade with ≥99.5% purity. Standard packs are 1 kg, 5 x 1 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5% to my country?
Yes. Because Sodium dihydrogen phosphate, monohydrate, ACS reagent, ≥99.5% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 10049-21-5

All 7 grades

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