Merck
CN
All Photos(1)

Documents

214906

Sigma-Aldrich

Hypophosphorous acid solution

50 wt. % in H2O

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
Phosphinic acid
Linear Formula:
H3PO2
CAS Number:
6303-21-5
Molecular Weight:
66.00
MDL number:
MFCD02183592
PubChem Substance ID:
329752159
NACRES:
NA.21

vapor pressure

<17 mmHg ( 20 °C)

Quality Level

200

form

liquid

concentration

48-52% in NaOH (titration)
50 wt. % in H2O

pH

1 (20 °C, 500 g/L)

density

1.206 g/mL at 25 °C

SMILES string

O[PH2]=O

InChI

1S/H3O2P/c1-3-2/h3H2,(H,1,2)

InChI key

ACVYVLVWPXVTIT-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

H3PO2, a monobasic oxyacid, is also referred to as phosphinic acid. H3PO2 participates as a reducing agent for the conversion of aromatic and aliphatic diselenides to the corresponding selenols.
It undergoes oxidation in the presence of Ce(IV) and a strong acid to afford cerium(IV) hypophosphite complex ions.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290 - H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Enzheng Shi et al.
ACS nano, 13(2), 1635-1644 (2019-03-01)
Edges of two-dimensional (2D) halide perovskites are found to exhibit unusual properties such as enhanced photoluminescence lifetime and reduced photoluminescence emission energy. Here, we report the formation mechanism and the dynamic nature of edge states on exfoliated 2D halide perovskite
Kai Wang et al.
ACS nano, 12(5), 4919-4929 (2018-04-24)
The robust material stability of the quasi-two-dimensional (quasi-2D) metal halide perovskites has opened the possibility for their usage instead of three-dimensional (3D) perovskites. Further, devices based on large area single crystal membranes have shown increasing promise for photoelectronic applications. However
Hongyan Liang et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 7(8), 1903213-1903213 (2020-04-25)
Perovskite-based light-emitting diodes (PeLEDs) are now approaching the upper limits of external quantum efficiency (EQE); however, their application is currently limited by reliance on lead and by inadequate color purity. The Rec. 2020 requires Commission Internationale de l'Eclairage coordinates of
Hypophosphorous acid mediated dehalogenation in water.
Jang DO.
Tetrahedron Letters, 37(30), 5367-5368 (1996)
Shibin Deng et al.
Nature communications, 11(1), 664-664 (2020-02-02)
Two-dimensional hybrid organic-inorganic perovskites with strongly bound excitons and tunable structures are desirable for optoelectronic applications. Exciton transport and annihilation are two key processes in determining device efficiencies; however, a thorough understanding of these processes is hindered by that annihilation
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service