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Key Documents

Safety Information

01-3910

Sigma-Aldrich

4-Amino-3-hydroxy-1-naphthalenesulfonic acid

JIS special grade, ≥97.0%

Synonym(s):

1-Amino-2-naphthol-4-sulfonic acid

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About This Item

Linear Formula:
H2NC10H5(OH)SO3H
CAS Number:
Molecular Weight:
239.25
Beilstein:
2697469
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:

grade

JIS special grade

Assay

≥97.0%

availability

available only in Japan

mp

290 °C (dec.) (lit.)

SMILES string

Nc1c(O)cc(c2ccccc12)S(O)(=O)=O

InChI

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

InChI key

RXCMFQDTWCCLBL-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

01-3910-2-25G-J:
01-3910-5-500G-J:


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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