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LC3431 Malachite green oxalate (C.I. 42000)

for microscopy


Order number Packaging Quantity Price €
AC30431 Glass bottle 25 g 17.1
AC30431 Glass bottle 100 g 33.75


Product information
Hill Formula C52H54N4O12
Chemical formula C46H50N4 * 2 C2HO4 * C2H2O4
HS Code 3204 13 00
EC number 219-441-7
Molar mass 927.01 g/mol
EC index number 602-096-00-5
CAS number 2437-29-8


Chemical and physical data
Solubility 400 g/l (20 °C)
Melting point 120.37 g/mol (anhydrous)
Molar mass 2.45 g/cm3 (20 °C)
Bulk density 400 – 500 kg/m3
pH value 2.4 (10 g/l, H2O, 24 °C)


Safety information according to GHS
Hazard Statement(s) H361d: Suspected of damaging the unborn child.
H302: Harmful if swallowed.
H318: Causes serious eye damage.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P273: Avoid release to the environment.
P281: Use personal protective equipment as required.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: IF exposed or concerned: Get medical advice/attention.
Signal Word Danger
Hazard Pictogram(s)

RTECS BQ1190000
Storage class 10 – 13 Other liquids and solids
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information
R Phrase R 22-41-63-50/53
Harmful if swallowed.Risk of serious damage to eyes.Possible risk of harm to the unborn child.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 26-36/37-39-46-60-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.Wear eye/face protection.If swallowed, seek medical advice immediately and show this container or label.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger harmful, irritant, toxic for reproduction, dangerous for the environment
Hazard Symbol


Dangerous for the environment


Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(MALACHITE GREEN OXALATE), 6.1, III
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(MALACHITE GREEN OXALATE), 6.1, III


Toxicological data
LD 50 oral LD50 rat 275 mg/kg