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技术文章
2,4,6-三硝基苯磺酸 [2508-19-2] 95%（5%水溶液）
点击次数：442 发布时间：2020/12/31 11:36:07
2,4,6-三硝基苯磺酸
2,4,6-trinitrobenzenesulfonic acid
CAS号:2508-19-2
分子式:C6H3N3O9S
分子量:293.17
规 格： 1ml
详细信息(英文)：
Picrylsulfonic acid solution
5 % (w/v) in H2O, BioReagent, suitable for determination of primary amines
Synonym: 2,4,6-Trinitrobenzenesulfonic acid solution, TNBS
Empirical Formula (Hill Notation)：C6H3N3O9S Molecular Weight：293.17 Beilstein Registry Number：572358
Properties
Related Categories General Protein Quantitation, Molecular Biology, Protein Quantitation, Proteomics, Quantitation Kits ａnd Reagents More...
InChI Key NHJVRSWLHSJWIN-UHFFFAOYSA-N
product line BioReagent
concentration 5 % (w/v) in H2O
suitability suitable for determination of primary amines
storage temp. 2-8°C
Frequently Asked Questions
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.
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.
Is Product P2297, Picrylsulfonic acid solution, supposed to be yellow?
Yes. This product is a clear to slightly hazy yellow solution at room temperature. The solution has a concentration of 5 w/v % in H2O (5g per 100 mL).
In general, what isProduct P2297, Picrylsulfonic acid solution, used for?
Picrylsulfonic acid has been used 1) As a hydrophilic modifying reagent[1]; 2) To make derivatives with amino compounds, which can be regenerated with hydrazine [2].
How is Product P2297, Picrylsulfonic acid solution, tested? Do you have any references for its use besides Sigma＇s method?
Sigma＇s suitability assay is based on a published method.1 We use a 500-fold dilution as a working solution, with glycine as a standard. Hydrochloric acid is used to s the reaction, ａnd to reduce yellow background due to picric acid.Sodium phosphate is used as a buffer in place of sodium bicarbonate to avoid formation of CO2 when HCl is added.Absorbance is read at 420 nm.Other procedu
原创作者：上海圻明生物科技有限公司
