C9H7N
129.16 g/mol
Industrial ChemicalDanger
1-Benzazine
CAS91-22-5EC202-051-6
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Intermediate in manufacture of other products
1-Benzazine, also known as This compound, is an aromatic heterocyclic compound consisting of a benzene ring fused to a pyridine ring. It is primarily significant as an intermediate in the manufacture of various other products.
Intermediate in the manufacture of dyesIntermediate for production of pharmaceuticalsPreservative for anatomical specimens
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
2-nitroanisole
CAS91-23-6
dye intermediate and organic synthesis
ReferenceSame Category
2-methylnaphthalene
CAS91-57-6
dye and resin intermediate
ReferenceSame Category
2-chloronaphthalene
CAS91-58-7
chlorinated naphthalene industrial chemical
ReferenceSame Category
6-methylquinoline
CAS91-62-3
Chemical intermediate for dyes and pigments
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H341Suspected of causing genetic defects
H350May cause cancer
H411Toxic to aquatic life with long lasting effects
H301Toxic if swallowed
H311Toxic in contact with skin
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H370Causes damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H351Suspected of causing cancer
H371May cause damage to organs
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1-Benzazine (CAS 91-22-5) is 2933.49.
HS code (international, 6-digit)
2933.49
EU CN code (8-digit)
2933 49 90
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
quinoline
InChIKey
SMWDFEZZVXVKRB-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C=CC=N2
Synonyms (29)
- B-500
- 1-Azanaphthalene
- 1-Benzazine
- 1-Benzine
- 2,3-Benzopyridine
- Benzo[b]pyridine
- Benzopyridine
- Benzopyridine (VAN)
- Chinoleine
- Chinolin
- Chinolin [Czech]
- Chinoline
- FEMA 3470
- Leucol
- Leukol
- Quinolin
- Quinoline (8CI,9CI)
- Quinoline (tech grade)
- Quinoline > 90% grade
- Quinoline [UN2656] [Poison]
- Quinoline, SAJ first grade
- Quinoline, for synthesis
- Quinoline, reagent grade
- Quinoline-
- USAF EK-218
- hydroquinoline
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