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F16001

Sigma-Aldrich

Formamidinesulfinic acid

≥98%

Synonym(s):

Aminoiminomethanesulfinic acid, Thiourea dioxide

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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

Quality Level

100

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

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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

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Certificates of Analysis (COA)

Lot/Batch Number
STBK5804
BCBK5693V
BCBJ6186V
1451700V
1451698

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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

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