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251917

Sigma-Aldrich

Sulfanilic acid

ACS reagent, 99%

Synonyme(s) :

4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid

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About This Item

Formule linéaire :
4-(H2N)C6H4SO3H
Numéro CAS:
121-57-3
Poids moléculaire :
173.19
Beilstein:
908765
Numéro CE :
204-482-5
Numéro MDL:
MFCD00007886
Code UNSPSC :
12352100
ID de substance PubChem :
24855168
Nomenclature NACRES :
NA.21
Forme:
powder
Essai:
98.0-102.0% (ACS specification)
99%
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Qualité

ACS reagent

Niveau de qualité

200

Essai

98.0-102.0% (ACS specification)
99%

Forme

powder

Résidus de calcination

≤0.01%

Pf

>300 °C (lit.)

Traces d'anions

chloride (Cl-): ≤0.002%
nitrite (NO2-): ≤0.5 ppm
sulfate (SO42-): ≤0.01%

Groupe fonctionnel

sulfonic acid

Chaîne SMILES 

Nc1ccc(cc1)S(O)(=O)=O

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

Clé InChI

HVBSAKJJOYLTQU-UHFFFAOYSA-N

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Application

The diazonium salt of sulfanilic acid may be used in the preparation of azo dyes such as o-anisaldehyde[1], orange I[2] and orange II.[2] It may also be used in the preparation of 2,6-dibromoaniline via bromination followed by desulfonation.[3]

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H315,H317,H319

Classification des risques

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
BCCM5621
BCCM5445
BCCK8777
BCCK7810
BCCG9491

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

o-ANISALDEHYDE
Sisti AJ
Organic Syntheses, 44, 4-4 (1964)
2,6-DICHLOROANILINE AND 2,6-DIBROMOANILINE
Seikel MK
Organic Syntheses, 24, 47-47 (1944)
1,2-AMINONAPHTHOL HYDROCHLORIDE
Conant JB, et al
Organic Syntheses, 17, 9-9 (1937)
Adsorption of essential micronutrients by carbon nanotubes and the implications for nanotoxicity testing.
Lin Guo et al.
Small (Weinheim an der Bergstrasse, Germany), 4(6), 721-727 (2008-05-28)
Han Ming Gan et al.
Chemosphere, 82(4), 507-513 (2010-11-26)
A co-culture consisting of Hydrogenophaga sp. PBC and Ralstonia sp. PBA, isolated from textile wastewater treatment plant could tolerate up to 100 mM 4-aminobenzenesulfonate (4-ABS) and utilize it as sole carbon, nitrogen and sulfur source under aerobic condition. The biodegradation
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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