Skip to Content
Merck
All Photos(2)

Key Documents

C1154

Sigma-Aldrich

4-Chloro-7-sulfobenzofurazan ammonium salt

Powder

Synonym(s):

4-Chloro-7-sulfobenz-2-oxa-1,3-diazole ammonium salt, 7-Chloro-2,1,3-benzoxadiazole-4-sulfonic acid ammonium salt, 7-Chloro-4-benzofurazansulfonic acid ammonium salt, SBF-Chloride

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
C6H3ClN2O4S · NH3
CAS Number:
Molecular Weight:
251.65
Beilstein:
5200152
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

Product Name

4-Chloro-7-sulfobenzofurazan ammonium salt,

Assay

>98%

Quality Level

form

powder

color

brown
light yellow

mp

>300 °C (lit.)

solubility

water: 50 mg/mL, clear, dark yellow

fluorescence

λex 360 nm; λem 410 nm (pH 8.5)
λex 383 nm; λem 528 nm (Reaction product)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

N.OS(=O)(=O)c1ccc(Cl)c2nonc12

InChI

1S/C6H3ClN2O4S.H3N/c7-3-1-2-4(14(10,11)12)6-5(3)8-13-9-6;/h1-2H,(H,10,11,12);1H3

InChI key

QFHXPBLOMHGYOC-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support.

Already Own This Product?

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

Visit the Document Library

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