Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Methylene Blue trihydrate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Methylene blue
stain and dye agent
Sourcing Methylene Blue trihydrate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Methylene blue trihydrate appears as odorless or almost odorless dark green crystals with bronze luster or dark green crystalline powder, with a pH of 3 to 4. 5 in a 1% aqueous solution.
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.
The international HS code for Methylene Blue trihydrate (CAS 7220-79-3) is 3204.13.
3204.13
3204 13 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate
XQAXGZLFSSPBMK-UHFFFAOYSA-M
CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]