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Safety Information

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

F16001-VAR:
F16001-5G:
F16001-BULK:
F16001-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
STBK5804
BCBK5693V
BCBJ6186V
1451700V
1451698

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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)
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)
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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