C10H9NO3S
223.25 g/mol
Dye & PigmentDanger
Peri Acid
CAS82-75-7EC201-437-1
Category
Dye & Pigment
Compound Class
Amine
Primary Use
dye intermediate
Peri Acid is an organic compound used as a dye intermediate, particularly in the synthesis of azo dyes and other colorants. It is listed in the Merck Index as This compound.
dye intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
N,N'-Bis(2,6-diisopropylphenyl)-3,4,9,10-perylenetetracarboxylic Diimide
CAS82953-57-9
fluorescent solvent dye
ReferenceSame Category
3-methylsalicylic acid
CAS83-40-9
Dye manufacturing intermediate
ReferenceSame Category
1,5-naphthalenediol
CAS83-56-7
Dye manufacturing intermediate
ReferenceSame Category
Lawsone
CAS83-72-7
natural dye and pigment
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Peri Acid (CAS 82-75-7) is 2921.45.
HS code (international, 6-digit)
2921.45
EU CN code (8-digit)
2921 45 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
8-aminonaphthalene-1-sulfonic acid
InChIKey
CYJJLCDCWVZEDZ-UHFFFAOYSA-N
SMILES
C1=CC2=C(C(=C1)N)C(=CC=C2)S(=O)(=O)O
Synonyms (17)
- 1-naphthylamine-8-sulfonic
- Perisaure
- peri Acid
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