Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

F16001

Sigma-Aldrich

Formamidinesulfinic acid

≥98%

Synonym(s):

Aminoiminomethanesulfinic acid, Thiourea dioxide

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
NH2C(=NH)SO2H
CAS Number:
1758-73-2
Molecular Weight:
108.12
Beilstein:
506653
EC Number:
217-157-8
MDL number:
MFCD00002397
UNSPSC Code:
12352100
PubChem Substance ID:
24894787
NACRES:
NA.22

Assay

≥98%

mp

124-127 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

NC(=N)S(O)=O

InChI

1S/CH4N2O2S/c2-1(3)6(4)5/h(H3,2,3)(H,4,5)

InChI key

FYOWZTWVYZOZSI-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Convenient reagent for the reduction of ketones to secondary alcohols.

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Self-heat. 1 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

Target Organs

Lungs, Respiratory system

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
STBK5804
BCBK5693V
BCBJ6186V
1451700V
1451698

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

The use of formamidine sulphinic acid in the preparation of 99mTc-labelled radiopharmaceuticals--a cautionary note.
J Baldas et al.
International journal of nuclear medicine and biology, 8(1), 110-111 (1981-01-01)
Preparation of technetium-99m glucoheptonate utilizing formamidine sulfinic acid.
J R Scott et al.
International journal of nuclear medicine and biology, 7(1), 71-73 (1980-01-01)
J Baldas et al.
European journal of nuclear medicine, 7(4), 187-189 (1982-01-01)
The use of formamidine sulphinic acid as a reducing agent in the presence of technetium-99-pertechnetate and diethyldithiocarbamate ligand has been shown to yield a complex containing a Tc = CO bond. The carbon monoxide present in this complex originates from

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