CAS No.90-94-8,4,4'-Bis(dimethylamino)benzophenone Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	90-94-8
Name:	4,4'-Bis(dimethylamino)benzophenone
Article Data:	73

Formula:	C₁₇H₂₀N₂O
Molecular Weight:	268.359
Synonyms:	Benzophenone,4,4'-bis(dimethylamino)- (6CI,8CI);4,4'-Bis(N,N-dimethylamino)benzophenone;4,4'-Tetramethyldiaminobenzophenone;Bis(4-dimethylaminophenyl) ketone;Bis[p-(N,N-dimethylamino)phenyl] ketone;Di(p-dimethylamino)benzophenone;Michler's ketone;N,N,N',N'-Tetramethyl-4,4'-diaminobenzophenone;NSC 9602;Nisso Cure MABP;S 112;S 112 (ketone);p,p'-Bis(dimethylamino)benzophenone;p,p'-Tetramethyldiaminobenzophenone;
EINECS:	202-027-5
Density:	1.101 g/cm³
Melting Point:	174 -176 °C(lit.)
Boiling Point:	427.7 °C at 760 mmHg
Flash Point:	183.9 °C
Solubility:	ethanol: 5 mg/mL, clear; water: 400 mg/L (20 °C)
Appearance:	white to light greenish crystals
Hazard Symbols:	T,Xi
Risk Codes:	45-41-68-36/37/38
Safety:	53-45-36-26
PSA:	23.55000
LogP:	3.04960

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Chemistry

Product Name: 4,4'-Bis(dimethylamino)benzophenone
The MF of 4,4'-Bis(dimethylamino)benzophenone(90-94-8) is C₁₇H₂₀N₂O.

The MW of 4,4'-Bis(dimethylamino)benzophenone(90-94-8) is 268.35.
Synonyms: BIS(P-DIMETHYLAMINOPHENYL)KETONE;BIS-DIMETHYLAMINOPHENYLMETHANONE;LABOTEST-BB LT00086928;MICHLER'S KETONE;MICHLER KETONE;4,4'-BIS(DIMETHYLAMINO)BENZOPHENONE;TETRAMETHYL-P,P'-DIAMINOBENZOPHENONE
Product Categories: Intermediates of Dyes and Pigments;Organics;Functional Materials;Photopolymerization Initiators
Mol File: 90-94-8.mol
EINECS: 202-027-5
MP: 174 -176 °C(lit.)
BP: 360 °C
FP: 220 °C
Density: 1.101 g/ml
Water Solubility : 400 mg/L (20 oC)
Merck: 14,6177
BRN: 790733
CAS DataBase Reference: 90-94-8(CAS DataBase Reference)
NIST Chemistry Reference: 90-94-8(NIST)
EPA Substance Registry System: 90-94-8(EPA Substance)

Uses

The 4,4'-Bis(dimethylamino)benzophenone(90-94-8) is used as basic dyes an important intermediate for the alkaline Brilliant Blue B, basic Brilliant Blue R and so on production.

Toxicity Data With Reference

1.	mma-sat 33,300 ng/plate	ENMUDM Environmental Mutagenesis. 7 (Suppl 5)(1985),1.
2.	cyt-ham:fbr 1500 µg/L	MUTAEX Mutagenesis. 1 (1986),17.
3.	orl-rat TDLo:15 g/kg/78W-C:CAR	NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-TR-181 ,1979.
4.	orl-mus TDLo:82 g/kg/78W-C:CAR	NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-TR-181 ,1979.
5.	orl-brd LD50:100 mg/kg	AECTCV Archives of Environmental Contamination and Toxicology. 12 (1983),355.

Consensus Reports

NTP 10th Report on Carcinogens. NCI Carcinogenesis Bioassay (feed); Clear Evidence: mouse, rat NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-181 ,1979. . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Safety Profile

Confirmed human carcinogen with experimental carcinogenic and neoplastigenic data. A poison by ingestion. Mutation data reported. A flammable liquid. When heated to decomposition it emits toxic fumes of NO_x. See also KETONES.
Safety information of 4,4'-Bis(dimethylamino)benzophenone(90-94-8):
Hazard Codes:

Xi
Risk Statements: 45-41-68-36/37/38
R45:May cause cancer ;
R41:Risk of serious damage to eyes ;
R68:Possible risk of irreversible effects ;
R36/37/38:Irritating to eyes, respiratory system and skin ;
Safety Statements: 53-45-36-26
S53:Avoid exposure - obtain special instruction before use ;
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) ;
S36:Wear suitable protective clothing ;
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice ;
RIDADR: 2811
WGK Germany: 3
RTECS: DJ0250000
HazardClass: 6.1
PackingGroup: III
Hazardous Substances Data 90-94-8(Hazardous Substances Data)

Standards and Recommendations

DFG MAK: Confirmed Animal Carcinogen with Unknown Relevance to Humans
DOT Classification: 3; Label: Flammable Liquid

Specification

The 4,4'-Bis(dimethylamino)benzophenone(90-94-8) is stable under temperatures and pressures but incompatible with strong oxidizing agents, strong reducing agents.Hazardous decomposition products are nitrogen oxides, carbon monoxide, carbon dioxide.