C39H41N3NaO6S2
734.9 g/mol
Dye & PigmentWarning
Acid Violet 49
CAS1694-09-3
Category
Dye & Pigment
Compound Class
Amine
Primary Use
dye for wool, nylon, leather
Acid Violet 49 is a violet dye used primarily for coloring wool, nylon, and leather. It is a water-soluble anionic compound with a complex aromatic structure containing multiple amine groups and sulfonate groups.
dye for wooldye for nylondye for leather
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 1694-09-3
Related Compounds
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Eosin Y
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Histological stain for microscopy
Safety Reference
Warning
H351Suspected of causing cancer
H301Toxic if swallowed
H311Toxic in contact with skin
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H318Causes serious eye damage
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Acid Violet 49 (CAS 1694-09-3) is 3204.12.
HS code (international, 6-digit)
3204.12
EU CN code (8-digit)
3204 12 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
InChIKey
WTIXYDSCBZQJIC-UHFFFAOYSA-N
SMILES
CCN(CC1=CC(=CC=C1)S(=O)(=O)O)C2=CC=C(C=C2)C(=C3C=CC(=[N+](C)C)C=C3)C4=CC=C(C=C4)N(CC)CC5=CC(=CC=C5)S(=O)(=O)[O-].[Na]
Synonyms (2)
- Acid Violet 49
- Acid violet 6B