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Key Documents

8.41535

Sigma-Aldrich

4-Aminonaphthalene-1-sulfonic acid

for synthesis

Synonym(s):

4-Aminonaphthalene-1-sulfonic acid, 1-Naphthylamine-4-sulfonic acid, Naphthionic acid

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About This Item

Empirical Formula (Hill Notation):
C10H9NO3S
CAS Number:
84-86-6
Molecular Weight:
223.25
MDL number:
MFCD00004027
UNSPSC Code:
12352106
EC Index Number:
201-567-9
NACRES:
NA.22

Quality Level

200

Assay

≥97.0% (acidimetric)

form

powder

mp

240-241 °C

density

1.67 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C10H9NO3S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6H,11H2,(H,12,13,14)

InChI key

NRZRRZAVMCAKEP-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Identity (IR): passes test

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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’.

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