Hypophosphorous acid, GR 50%

Name: Hypophosphorous acid, GR 50%
Brand: Vaqora Chemicals
SKU: VQ-000063

About Hypophosphorous acid, GR 50%

Listed under CAS 6303-21-5, Hypophosphorous acid is an analytical reagent available from Vaqora Chemicals (AR grade) with a typical assay of 50%. Formula H3O2P, molecular weight 66.0 g/mol. The IUPAC name is phosphinic acid. It is also known as Acid, Phosphinic or Hydroxyphosphine oxide.

It is supplied as a colourless liquid. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and polymer and resin production. It is used across academic and industrial research and polymers and plastics.

Vaqora Chemicals supplies Hypophosphorous acid in 500 mL, 5 L and 50 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Polymer & resin production

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Hypophosphorous acid, GR 50%
Catalogue No.	VQ-000063
CAS Number	6303-21-5
IUPAC name	phosphinic acid
Molecular formula	H₃O₂P
Molecular weight	66 g/mol
Exact mass	65.9871
Grade	AR
Purity / assay	50%
HSN code	28111920
InChIKey	ACVYVLVWPXVTIT-UHFFFAOYSA-N
SMILES	O[PH2]=O
PubChem CID	4124402

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
LogP (XLogP3)	-1.1
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
UN number	UN 3264

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H290May be corrosive to metals
H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P234, P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P390, P405, P406, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 6303-21-5

Hypophosphorous acid, 30%

CAS: 6303-21-5
Formula: H₃O₂P
MW: 66 g/mol

VQ-000062

Frequently asked questions

What is the CAS number of Hypophosphorous acid, GR 50%?

The CAS Registry Number of Hypophosphorous acid, GR 50% is 6303-21-5. It is also known as Acid, Phosphinic, Hydroxyphosphine oxide, Hypophosphorus acid.

What is the molecular formula and molecular weight of Hypophosphorous acid, GR 50%?

Hypophosphorous acid, GR 50% has the molecular formula H3O2P and a molecular weight of 66 g/mol. Its IUPAC name is phosphinic acid.

Which grade and pack sizes of Hypophosphorous acid, GR 50% can I order?

We supply Hypophosphorous acid, GR 50% in AR (50%) grade, in 500 mL, 5 L, 50 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hypophosphorous acid, GR 50%?

Yes. Every lot of Hypophosphorous acid, GR 50% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hypophosphorous acid, GR 50% be shipped internationally?

Yes. Hypophosphorous acid, GR 50% is classified as hazardous (UN 3264), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.