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251917

Sulfanilic acid

Name: Sulfanilic acid
Brand: SIAL

ACS reagent grade, 99%, powder

Synonym(s):

4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid

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About This Item

Linear Formula:

4-(H₂N)C₆H₄SO₃H

CAS Number:

121-57-3

Molecular Weight:

173.19

NACRES:

NA.21

PubChem Substance ID:

24855168

UNSPSC Code:

12352100

EC Number:

204-482-5

MDL number:

MFCD00007886

Beilstein/REAXYS Number:

908765

Assay:

98.0-102.0% (ACS specification), 99%

Form:

powder

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Properties

Product Name

Sulfanilic acid, ACS reagent, 99%

grade

ACS reagent

assay

98.0-102.0% (ACS specification), 99%

form

powder

ign. residue

≤0.01%

mp

>300 °C (lit.)

anion traces

chloride (Cl^-): ≤0.002%, nitrite (NO₂^-): ≤0.5 ppm, sulfate (SO₄^2-): ≤0.01%

functional group

sulfonic acid

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)

InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N

Description

Application

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

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pictograms

GHS07

signalword

Warning

hcodes

H315,H317,H319

pcodes

P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

危险化学品

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1,2-AMINONAPHTHOL HYDROCHLORIDE

Conant JB, et al

Organic Syntheses, 17, 9-9 (1937)

2,6-DICHLOROANILINE AND 2,6-DIBROMOANILINE

Seikel MK

Organic Syntheses, 24, 47-47 (1944)

o-ANISALDEHYDE

Sisti AJ

Organic Syntheses, 44, 4-4 (1964)

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Global Trade Item Number

SKU	GTIN
251917-500G	04061825938042
251917-100G	04061835365494
251917-25G	04061825938035