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Key Documents

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Safety Information

08800

Sigma-Aldrich

7-Amino-4-hydroxy-2-naphthalenesulfonic acid

technical, ≥90% (T)

Synonym(s):

6-Amino-1-naphthol-3-sulfonic acid, I-Acid

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250 μG
CN¥4,489.38

CN¥4,489.38

Estimated to ship onMay 16, 2025Details

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250 μG
CN¥4,489.38

About This Item

Empirical Formula (Hill Notation):
C10H9NO4S
CAS Number:
87-02-5
Molecular Weight:
239.25
Beilstein:
2217192
EC Number:
201-718-9
MDL number:
MFCD00003970
UNSPSC Code:
12352100
PubChem Substance ID:
329748634
NACRES:
NA.22

CN¥4,489.38

Estimated to ship onMay 16, 2025Details

Request a Bulk Order

grade

technical

Quality Level

100

Assay

≥90% (T)

form

powder

functional group

sulfonic acid

SMILES string

Nc1ccc2c(O)cc(cc2c1)S(O)(=O)=O

InChI

1S/C10H9NO4S/c11-7-1-2-9-6(3-7)4-8(5-10(9)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)

InChI key

KYARBIJYVGJZLB-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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