Skip to Content
Merck
CN
All Photos(1)

Documents

Safety Information

92823

Sigma-Aldrich

Picrylsulfonic acid solution

~1 M in H2O

Synonym(s):

2,4,6-Trinitrobenzenesulfonic acid solution, TNBS

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C6H3N3O9S
CAS Number:
Molecular Weight:
293.17
Beilstein:
572358
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:

concentration

~1 M in H2O

density

1.14 g/mL at 20 °C

shipped in

dry ice

storage temp.

−20°C

SMILES string

OS(=O)(=O)c1c(cc(cc1[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C6H3N3O9S/c10-7(11)3-1-4(8(12)13)6(19(16,17)18)5(2-3)9(14)15/h1-2H,(H,16,17,18)

InChI key

NHJVRSWLHSJWIN-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Hydrophilic modifying reagent. Derivatives with amino compounds can be regenerated with hydrazine.

Caution

decomposes when stored at temperatures ≥0°C with precipitate formation (picric acid)

Other Notes

Sales restrictions may apply

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Desen. Expl. 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

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?

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

Visit the Document Library

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. Do we have information on freeze/thaw stability of Product 92823, Picrylsulfonic acid solution?

    We have never tested freeze/thaw stability of this product. However, if stored at temperatures greater than 0°C the product will decompose and a precipitation of picric acid will begin to form.

  4. How do we ship Product 92823, Picrylsulfonic acid solution?

    To ensure the quality of this product, we ship it on wet ice.

  5. What is our recommended disposal of Product 92823, Picrylsulfonic acid solution?

    We would recommend you contact a licensed waste disposal company in your area for the disposal of this chemical.

  6. What is the shelf life of Product 92823, Picrylsulfonic acid solution?

    For this product, we assign a recommended retest date which is published on the bottom of the Certificate of Analysis. The Re-test date may be extended subject to quality review. If extended, a new QC release date and recommended re-test date will be published on the bottom of the Certificate of Analysis. If you want to guarantee the shelf life of your product we would recommend calling technical service at 800-231-8327 and we will be able to tell you what lots we have in stock and when they will be retested.

  7. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  8. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

A Arranz et al.
Journal of controlled release : official journal of the Controlled Release Society, 165(3), 163-172 (2012-11-28)
CD40-CD40L interactions appear to play an important role in the pathogenesis of experimental colitis. We tested the effect and investigated the underlying mechanism of action of systemically administered antisense oligonucleotide (ASO) targeting CD40 formulated in amphoteric liposomes (nov038/CD40). The charge
Weicheng Liu et al.
The Journal of clinical investigation, 123(9), 3983-3996 (2013-08-16)
The inhibitory effects of vitamin D on colitis have been previously documented. Global vitamin D receptor (VDR) deletion exaggerates colitis, but the relative anticolitic contribution of epithelial and nonepithelial VDR signaling is unknown. Here, we showed that colonic epithelial VDR
Bas Kremer et al.
PloS one, 7(11), e50388-e50388 (2012-12-12)
The recurrent TNBS-colitis model in BALB/c mice has been proposed as a model of Inflammatory Bowel Disease with a shifting pattern of local cytokines with the expression of Th1 cytokines during the early phase, Th17 cytokines during the intermediate phase
Ana Beatriz Albino de Almeida et al.
Journal of ethnopharmacology, 146(1), 300-310 (2013-01-15)
In Brazilian traditional medicine, Arctium lappa (Asteraceae), has been reported to relieve gastrointestinal symptoms. In the present study, we investigated the effects of the lactone sesquiterpene onopordopicrin enriched fraction (ONP fraction) from Arctium lappa in an experimental colitis model induced
Joel Castro et al.
Gastroenterology, 145(6), 1334-1346 (2013-08-21)
Linaclotide is a minimally absorbed agonist of guanylate cyclase-C (GUCY2C or GC-C) that reduces symptoms associated with irritable bowel syndrome with constipation (IBS-C). Little is known about the mechanism by which linaclotide reduces abdominal pain in patients with IBS-C. We

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