Malachite green oxalate

Also known as: Basic Green 4, Malachite Green oxalate, Basic Green 4 oxalate salt, Victoria Green B, Victoria Green WB, Diamond Green P Extra, Light Green N, Solid Green O, 4,4'-Bis-dimethylamino-tritylium,oxalate, Malachite Green,Oxalate, N-(4-{[4-(dimethylamino)phenyl](phenyl)methylidene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride - ethanedioic acid (1:1:1)

Malachite green oxalate (CAS 2437-29-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C52H54N4O12 and a molecular weight of 927.02000 g/mol. Key property: a melting point of 164°C (dec.). It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H318 — Causes serious eye damage and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 2437-29-8
Jingsj CID: J-1095380-6
Molecular Formula: C₅₂H₅₄N₄O₁₂
Molecular Weight: 927.02000 g/mol
Category: Organic Acids
Last updated: 11/2/2026

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Physicochemical Properties

Melting Point	164°C (dec.)
Exact Mass	454.165924
PSA	241.96000
LogP	3.58460
Additional Property	60 g/L (20 ºC)

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

H301 — Toxic if swallowed
H318 — Causes serious eye damage
H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Target	IKBKE[3]
Additional Information	[1]. Kozuka S, et, al. Permeability of dormant spores of Bacillus subtilis to malachite green and crystal violet. J Gen Microbiol. 1991 Mar; 137(3): 607-13. [2]. Takahashi S, et, al. Reversible off-on fluorescence probe for hypoxia and imaging of hypoxia-normoxia cycles in live cells. J Am Chem Soc. 2012 Dec 5; 134(48): 19588-91. [3]. Liu T, et, al. Identification of an IKBKE inhibitor with antitumor activity in cancer cells overexpressing IKBKE. Cytokine. 2019 Apr; 116: 78-87.

Target

IKBKE[3]

Additional Information

[1]. Kozuka S, et, al. Permeability of dormant spores of Bacillus subtilis to malachite green and crystal violet. J Gen Microbiol. 1991 Mar; 137(3): 607-13. [2]. Takahashi S, et, al. Reversible off-on fluorescence probe for hypoxia and imaging of hypoxia-normoxia cycles in live cells. J Am Chem Soc. 2012 Dec 5; 134(48): 19588-91. [3]. Liu T, et, al. Identification of an IKBKE inhibitor with antitumor activity in cancer cells overexpressing IKBKE. Cytokine. 2019 Apr; 116: 78-87.

Customs & Trade Information

HS Code	32041300

Frequently Asked Questions

What is the CAS number of Malachite green oxalate?

The CAS number of Malachite green oxalate is 2437-29-8.

What are the molecular formula and molecular weight of Malachite green oxalate?

Malachite green oxalate has molecular formula C52H54N4O12 and molecular weight 927.02000 g/mol.

Is Malachite green oxalate hazardous?

Malachite green oxalate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H318 — Causes serious eye damage; H410 — Very toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/2/2026

How to cite: Jingsj. "Malachite green oxalate (CAS 2437-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1095380-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.