Agent Name

Michler's ketone

Alternative Name

4,4'-Bis(dimethylamino)benzophenone

CAS Number

90-94-8

Formula

C17-H20-N2-O

Major Category

Nitrogen Compounds

Synonyms

4,4'-Bis(dimethylamino)benzophenone; Benzophenone, 4,4'-bis(dimethylamino)-; Bis(4-(dimethylamino)phenyl)methanone; Bis(p-(N,N-dimethylamino)phenyl) ketone; Bis(p-(N,N-dimethylamino)phenyl)ketone; Michler ketone; N,N,N',N'-Tetramethyl-4,4'-diaminobenzophenone; Tetramethyldiaminobenzophenone; p,p'-Bis(N,N-dimethylamino)benzophenone; p,p'-Bis(dimethylamino)benzophenone; p,p'-Michler's ketone; Methanone, bis(4-(dimethylamino)phenyl)-; [ChemIDplus] UN2811

Category

Other Aromatics (Nitrogen)

Description

White to greenish solid; [Merck Index] May also be in the form of a blue solid; [CHEMINFO] Light blue powder; [MSDSonline]

Sources/Uses

Used to make dyes and pigments; [Merck Index] Used to dye paper, textiles, and leather; Also used in printing inks and photosensitizer formulations; [CHEMINFO]

Comments

MAC-2 (considered to be carcinogenic for man because sufficient data from long-term animal studies or limited evidence from animal studies substantiated by evidence from epidemiological studies indicate that it can make a significant contribution to cancer risk); [MAK] A skin, eye, mucous membrane, and respiratory tract irritant; [CAMEO] An irritant; [MSDSonline]

Exposure Assessment
Vapor Pressure

1.07E-6 mm Hg

Explanatory Notes

Flash Point = 220 deg C; [CHEMINFO] The Guide in the Emergency Response Guidebook is for "Toxic solid, organic, n.o.s."

Adverse Effects
IARC Carcinogen

Possible Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: