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Merck

1633506

USP

Sulfanilic acid

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid

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About This Item

Linear Formula:
4-(H2N)C6H4SO3H
CAS Number:
Molecular Weight:
173.19
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
908765

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Product Name

Sulfanilic acid, United States Pharmacopeia (USP) Reference Standard

InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N

SMILES string

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)

grade

pharmaceutical primary standard

API family

mesalazine, sulfadimethoxine, sulfadiazine

manufacturer/tradename

USP

mp

>300 °C (lit.)

solubility

water: soluble 12.51 g/L at 20 °C

density

1.4862 g/cm3 at 20 °C (OECD Test Guideline 109)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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1 of 4

This Item
2519171.006868.22338
manufacturer/tradename

USP

manufacturer/tradename

-

manufacturer/tradename

-

manufacturer/tradename

-

grade

pharmaceutical primary standard

grade

ACS reagent

grade

ACS reagent

grade

-

application(s)

pharmaceutical (small molecule)

application(s)

-

application(s)

-

application(s)

-

format

neat

format

-

format

-

format

-

API family

mesalazine, sulfadimethoxine, sulfadiazine

API family

-

API family

-

API family

-

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

288 °C (decomposes)

mp

288 °C (decomposes)

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Sulfanilic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Silver Sulfadiazine
  • Sulfamethoxazole
  • Sulfamethoxazole and Trimethoprim Injection

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

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Warning

Hazard Classifications

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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