Acridine suppliers

Acridine

CAS:: 260-94-6

MF:: C13H9N

MW:: 179.22

SecurityInformation

Symbol(GHS) ：: GHS07,GHS09

Signal word ：: Warning

Hazard statements ：: H302-H315-H319-H335-H410

Precautionary statements ：: P261-P264-P273-P301+P312-P302+P352-P305+P351+P338

Hazard Codes ：: Xn

Risk Statements ：: 22-68-36/37/38

Safety Statements ：: 22-36-45-36/37/39-26

RIDADR ：: UN 2713 6.1/PG 3

WGK Germany ：: 3

RTECS ：: AR7175000

TSCA ：: Yes

HazardClass ：: 6.1

PackingGroup ：: III

HS Code ：: 29333990

Toxicity：: LD50 s.c. in mice: 0.40 g/kg (Rubbo)

Use：: Acridine has been crystallised twice from *benzene/cyclohexane, or from aqueous EtOH, then sublimed, removing and discarding the first 25% of the sublimate. The remainder is again crystallised and sublimed, discarding the first 10-15% [Wolf & Anderson J Am Chem Soc 77 1608 1955]. Acridine can also be purified by crystallisation from n-heptane and then from ethanol/water after pre-treatment with activated charcoal, or by chromatography on alumina with pet ether in a darkened room. Alternatively, acridine can be precipitated as the hydrochloride from *benzene solution by adding HCl, after which the base is regenerated, dried at 110o/50mm, and recrystallised to constant melting point from pet ether [Cumper et al. J Chem Soc 4518 1962]. The regenerated free base may be recrystallised, chromatographed on basic alumina, then vacuum-sublimed and zone-refined. [Williams & Clarke, J Chem Soc, Faraday Trans 1 73 514 1977, Albert, The Acridines Arnold Press 1966.] It can exist in five crystalline forms and is steam volatile. It is a strong IRRITANT to skin and mucous membranes and can become a chronic irritant— handle it with CARE. [Beilstein 20/8 V 199.]

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Wuhan Kemi-Works Chemical Co., Ltd.