Crystal Violet

Also known as: Basic Violet 3, Gentian Violet, Methyl Violet 10B, Hexamethylpararosaniline chloride, Methyl Violet, C.I. 42555, BRILLIANT VIOLET, CALCOZINE VIOLET 6BN, GRAM STAIN, GRAM STAIN NO 1, PYOKTANIN BLUE, S NO 785, VIOLET 7B

Crystal Violet (CAS 548-62-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H30ClN3 and a molecular weight of 407.979 g/mol. Key properties include a melting point of 215ºC, a density of 1.19 g/cm3 (20ºC) and a flash point of 40ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H319 — Causes serious eye irritation and H351 — Suspected of causing cancer. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.: 548-62-9
Jingsj CID: J-1110697-5
Molecular Formula: C₂₅H₃₀ClN₃
Molecular Weight: 407.979 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	215ºC
Density	1.19 g/cm3 (20ºC)
Flash Point	40ºC
Exact Mass	407.212830
PSA	9.49000
LogP	1.46360

GHS Safety & Compliance

Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Warning

H226 — Flammable liquid and vapour
H319 — Causes serious eye irritation
H351 — Suspected of causing cancer
H411 — Toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information	[1]. Beveridge, T.J. and S. Schultze-Lam, The response of selected members of the archaea to the gram stain. Microbiology, 1996. 142 ( Pt 10): p. 2887-95. [2]. Coico, R., Gram staining. Curr Protoc Microbiol, 2005. Appendix 3: p. Appendix 3C. [3]. Bil, J., et al., Statins potentiate cytostatic/cytotoxic activity of sorafenib but not sunitinib against tumor cell lines in vitro. Cancer Lett, 2010. 288(1): p. 57-67.

Additional Information

[1]. Beveridge, T.J. and S. Schultze-Lam, The response of selected members of the archaea to the gram stain. Microbiology, 1996. 142 ( Pt 10): p. 2887-95. [2]. Coico, R., Gram staining. Curr Protoc Microbiol, 2005. Appendix 3: p. Appendix 3C. [3]. Bil, J., et al., Statins potentiate cytostatic/cytotoxic activity of sorafenib but not sunitinib against tumor cell lines in vitro. Cancer Lett, 2010. 288(1): p. 57-67.

Customs & Trade Information

HS Code	32041300

Frequently Asked Questions

What is the CAS number of Crystal Violet?

The CAS number of Crystal Violet is 548-62-9.

What are the molecular formula and molecular weight of Crystal Violet?

Crystal Violet has molecular formula C25H30ClN3 and molecular weight 407.979 g/mol.

Which suppliers offer Crystal Violet?

1 supplier(s) listed; request a quote for pricing.

Is Crystal Violet hazardous?

Crystal Violet has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H319 — Causes serious eye irritation; H351 — Suspected of causing cancer.

What are the upstream and downstream products of Crystal Violet?

For Crystal Violet, Upstream Products: N,N-Dimethylaniline, 4-Dimethylaminobenzaldehyde, Leucocrystal Violet; Downstream Products: 4-(Dimethylamino)phenol, Michler's ketone, N,N-Dimethylaniline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Crystal Violet (CAS 548-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1110697-5 (accessed 2026-11-07).

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